From c67967e77c6d915f7caf4775d3f111d434332d4d Mon Sep 17 00:00:00 2001
From: Jonas Platte <jplatte@svix.com>
Date: Thu, 5 Dec 2024 14:49:27 +0100
Subject: [PATCH 1/2] Use patched OpenAPI spec for Go, too

---
 go/.gitignore                                 |   1 +
 .../openapi/model_app_portal_access_in.go     |  68 ++---
 .../openapi/model_app_usage_stats_in.go       |   7 +-
 go/internal/openapi/model_application_in.go   |  64 ++--
 go/internal/openapi/model_application_out.go  |  64 ++--
 .../openapi/model_application_stats.go        |  32 +-
 .../model_application_token_expire_in.go      |  32 +-
 .../openapi/model_attempt_statistics_data.go  |  14 +-
 go/internal/openapi/model_auth_token_out.go   |  71 ++---
 .../model_client_secret_jwt_params_in.go      |  64 ++--
 .../openapi/model_create_message_token_in.go  |  32 +-
 .../openapi/model_custom_color_palette.go     | 288 ++++++------------
 .../openapi/model_custom_strings_override.go  |  96 ++----
 .../model_endpoint_created_event_data.go      |  64 ++--
 .../model_endpoint_deleted_event_data.go      |  64 ++--
 .../model_endpoint_disabled_event_data.go     |  64 ++--
 go/internal/openapi/model_endpoint_in.go      | 146 ++++-----
 .../openapi/model_endpoint_message_out.go     |  78 ++---
 .../openapi/model_endpoint_mtls_config_in.go  |  32 +-
 .../openapi/model_endpoint_oauth_config_in.go |  86 ++----
 go/internal/openapi/model_endpoint_out.go     |  78 ++---
 .../model_endpoint_secret_rotate_in.go        |  32 +-
 .../model_endpoint_transformation_in.go       |  32 +-
 .../model_endpoint_transformation_out.go      |  32 +-
 ...del_endpoint_transformation_simulate_in.go |   7 +-
 go/internal/openapi/model_endpoint_update.go  | 114 +++----
 .../model_endpoint_updated_event_data.go      |  64 ++--
 go/internal/openapi/model_environment_in.go   |  14 +-
 .../openapi/model_environment_settings_out.go | 160 ++++------
 go/internal/openapi/model_event_in.go         |  32 +-
 go/internal/openapi/model_event_out.go        |  32 +-
 .../openapi/model_event_type_from_open_api.go |  71 ++---
 .../model_event_type_import_open_api_in.go    |  39 +--
 ...del_event_type_import_open_api_out_data.go |   7 +-
 go/internal/openapi/model_event_type_in.go    |  71 ++---
 go/internal/openapi/model_event_type_out.go   |  71 ++---
 .../openapi/model_event_type_update.go        |  71 ++---
 go/internal/openapi/model_font_size_config.go |  32 +-
 .../model_incoming_webhook_payload_out.go     |  96 ++----
 .../model_list_response_application_out_.go   |  32 +-
 .../model_list_response_application_stats_.go |  32 +-
 ...odel_list_response_background_task_out_.go |  32 +-
 ...del_list_response_endpoint_message_out_.go |  32 +-
 .../model_list_response_endpoint_out_.go      |  32 +-
 .../model_list_response_event_type_out_.go    |  32 +-
 .../model_list_response_integration_out_.go   |  32 +-
 ..._response_message_attempt_endpoint_out_.go |  32 +-
 ...odel_list_response_message_attempt_out_.go |  32 +-
 ...del_list_response_message_endpoint_out_.go |  32 +-
 .../model_list_response_message_out_.go       |  32 +-
 ...ponse_operational_webhook_endpoint_out_.go |  32 +-
 .../openapi/model_list_response_sink_out_.go  |  32 +-
 ...el_list_response_stream_event_type_out_.go |  32 +-
 .../model_list_response_stream_out_.go        |  32 +-
 .../model_list_response_stream_sink_out_.go   |  32 +-
 .../model_list_response_template_out_.go      |  32 +-
 ...el_message_attempt_exhausted_event_data.go |  64 ++--
 ...odel_message_attempt_failing_event_data.go |  64 ++--
 .../model_message_attempt_headers_out.go      |   7 +-
 ...el_message_attempt_recovered_event_data.go |  64 ++--
 .../openapi/model_message_broadcast_in.go     | 107 +++----
 .../openapi/model_message_endpoint_out.go     | 110 +++----
 go/internal/openapi/model_message_in.go       | 121 +++-----
 go/internal/openapi/model_message_out.go      |  46 ++-
 .../openapi/model_o_auth_payload_out.go       |  96 ++----
 .../model_operational_webhook_endpoint_in.go  | 103 +++----
 .../model_operational_webhook_endpoint_out.go |  71 ++---
 ..._operational_webhook_endpoint_secret_in.go |  32 +-
 ...del_operational_webhook_endpoint_update.go |  71 ++---
 go/internal/openapi/model_recover_in.go       |  32 +-
 go/internal/openapi/model_redshift_config.go  |  32 +-
 go/internal/openapi/model_replay_in.go        |  32 +-
 go/internal/openapi/model_sink_http_config.go |  32 +-
 .../openapi/model_sink_transform_in.go        |  32 +-
 .../openapi/model_sink_transformation_out.go  |  32 +-
 .../openapi/model_stream_event_type_in.go     |  32 +-
 .../openapi/model_stream_event_type_out.go    |  32 +-
 go/internal/openapi/model_stream_out.go       |  32 +-
 go/internal/openapi/model_template_in.go      |  71 ++---
 go/internal/openapi/model_template_out.go     |  71 ++---
 go/internal/openapi/model_template_update.go  |  71 ++---
 .../model_transformation_simulate_in.go       |   7 +-
 go/svix_test.go                               |   8 +-
 regen_openapi.sh                              |  46 +--
 84 files changed, 1579 insertions(+), 2905 deletions(-)
 create mode 100644 go/.gitignore

diff --git a/go/.gitignore b/go/.gitignore
new file mode 100644
index 000000000..d836fdca4
--- /dev/null
+++ b/go/.gitignore
@@ -0,0 +1 @@
+/openapi.json
diff --git a/go/internal/openapi/model_app_portal_access_in.go b/go/internal/openapi/model_app_portal_access_in.go
index 59f988a08..3616fffef 100644
--- a/go/internal/openapi/model_app_portal_access_in.go
+++ b/go/internal/openapi/model_app_portal_access_in.go
@@ -21,11 +21,11 @@ var _ MappedNullable = &AppPortalAccessIn{}
 type AppPortalAccessIn struct {
 	Application *ApplicationIn `json:"application,omitempty"`
 	// How long the token will be valid for, in seconds.  Valid values are between 1 hour and 7 days. The default is 7 days.
-	Expiry NullableInt32 `json:"expiry,omitempty"`
+	Expiry *int32 `json:"expiry,omitempty"`
 	// The set of feature flags the created token will have access to.
 	FeatureFlags []string `json:"featureFlags,omitempty"`
 	// Whether the app portal should be in read-only mode.
-	ReadOnly NullableBool `json:"readOnly,omitempty"`
+	ReadOnly *bool `json:"readOnly,omitempty"`
 }
 
 // NewAppPortalAccessIn instantiates a new AppPortalAccessIn object
@@ -35,7 +35,7 @@ type AppPortalAccessIn struct {
 func NewAppPortalAccessIn() *AppPortalAccessIn {
 	this := AppPortalAccessIn{}
 	var expiry int32 = 604800
-	this.Expiry = *NewNullableInt32(&expiry)
+	this.Expiry = &expiry
 	return &this
 }
 
@@ -45,7 +45,7 @@ func NewAppPortalAccessIn() *AppPortalAccessIn {
 func NewAppPortalAccessInWithDefaults() *AppPortalAccessIn {
 	this := AppPortalAccessIn{}
 	var expiry int32 = 604800
-	this.Expiry = *NewNullableInt32(&expiry)
+	this.Expiry = &expiry
 	return &this
 }
 
@@ -81,46 +81,36 @@ func (o *AppPortalAccessIn) SetApplication(v ApplicationIn) {
 	o.Application = &v
 }
 
-// GetExpiry returns the Expiry field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetExpiry returns the Expiry field value if set, zero value otherwise.
 func (o *AppPortalAccessIn) GetExpiry() int32 {
-	if o == nil || IsNil(o.Expiry.Get()) {
+	if o == nil || IsNil(o.Expiry) {
 		var ret int32
 		return ret
 	}
-	return *o.Expiry.Get()
+	return *o.Expiry
 }
 
 // GetExpiryOk returns a tuple with the Expiry field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *AppPortalAccessIn) GetExpiryOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Expiry) {
 		return nil, false
 	}
-	return o.Expiry.Get(), o.Expiry.IsSet()
+	return o.Expiry, true
 }
 
 // HasExpiry returns a boolean if a field has been set.
 func (o *AppPortalAccessIn) HasExpiry() bool {
-	if o != nil && o.Expiry.IsSet() {
+	if o != nil && !IsNil(o.Expiry) {
 		return true
 	}
 
 	return false
 }
 
-// SetExpiry gets a reference to the given NullableInt32 and assigns it to the Expiry field.
+// SetExpiry gets a reference to the given int32 and assigns it to the Expiry field.
 func (o *AppPortalAccessIn) SetExpiry(v int32) {
-	o.Expiry.Set(&v)
-}
-// SetExpiryNil sets the value for Expiry to be an explicit nil
-func (o *AppPortalAccessIn) SetExpiryNil() {
-	o.Expiry.Set(nil)
-}
-
-// UnsetExpiry ensures that no value is present for Expiry, not even an explicit nil
-func (o *AppPortalAccessIn) UnsetExpiry() {
-	o.Expiry.Unset()
+	o.Expiry = &v
 }
 
 // GetFeatureFlags returns the FeatureFlags field value if set, zero value otherwise.
@@ -155,46 +145,36 @@ func (o *AppPortalAccessIn) SetFeatureFlags(v []string) {
 	o.FeatureFlags = v
 }
 
-// GetReadOnly returns the ReadOnly field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetReadOnly returns the ReadOnly field value if set, zero value otherwise.
 func (o *AppPortalAccessIn) GetReadOnly() bool {
-	if o == nil || IsNil(o.ReadOnly.Get()) {
+	if o == nil || IsNil(o.ReadOnly) {
 		var ret bool
 		return ret
 	}
-	return *o.ReadOnly.Get()
+	return *o.ReadOnly
 }
 
 // GetReadOnlyOk returns a tuple with the ReadOnly field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *AppPortalAccessIn) GetReadOnlyOk() (*bool, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.ReadOnly) {
 		return nil, false
 	}
-	return o.ReadOnly.Get(), o.ReadOnly.IsSet()
+	return o.ReadOnly, true
 }
 
 // HasReadOnly returns a boolean if a field has been set.
 func (o *AppPortalAccessIn) HasReadOnly() bool {
-	if o != nil && o.ReadOnly.IsSet() {
+	if o != nil && !IsNil(o.ReadOnly) {
 		return true
 	}
 
 	return false
 }
 
-// SetReadOnly gets a reference to the given NullableBool and assigns it to the ReadOnly field.
+// SetReadOnly gets a reference to the given bool and assigns it to the ReadOnly field.
 func (o *AppPortalAccessIn) SetReadOnly(v bool) {
-	o.ReadOnly.Set(&v)
-}
-// SetReadOnlyNil sets the value for ReadOnly to be an explicit nil
-func (o *AppPortalAccessIn) SetReadOnlyNil() {
-	o.ReadOnly.Set(nil)
-}
-
-// UnsetReadOnly ensures that no value is present for ReadOnly, not even an explicit nil
-func (o *AppPortalAccessIn) UnsetReadOnly() {
-	o.ReadOnly.Unset()
+	o.ReadOnly = &v
 }
 
 func (o AppPortalAccessIn) MarshalJSON() ([]byte, error) {
@@ -210,14 +190,14 @@ func (o AppPortalAccessIn) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Application) {
 		toSerialize["application"] = o.Application
 	}
-	if o.Expiry.IsSet() {
-		toSerialize["expiry"] = o.Expiry.Get()
+	if !IsNil(o.Expiry) {
+		toSerialize["expiry"] = o.Expiry
 	}
 	if !IsNil(o.FeatureFlags) {
 		toSerialize["featureFlags"] = o.FeatureFlags
 	}
-	if o.ReadOnly.IsSet() {
-		toSerialize["readOnly"] = o.ReadOnly.Get()
+	if !IsNil(o.ReadOnly) {
+		toSerialize["readOnly"] = o.ReadOnly
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_app_usage_stats_in.go b/go/internal/openapi/model_app_usage_stats_in.go
index a53fe16f4..2fcd6f944 100644
--- a/go/internal/openapi/model_app_usage_stats_in.go
+++ b/go/internal/openapi/model_app_usage_stats_in.go
@@ -49,9 +49,9 @@ func NewAppUsageStatsInWithDefaults() *AppUsageStatsIn {
 	return &this
 }
 
-// GetAppIds returns the AppIds field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetAppIds returns the AppIds field value if set, zero value otherwise.
 func (o *AppUsageStatsIn) GetAppIds() []string {
-	if o == nil {
+	if o == nil || IsNil(o.AppIds) {
 		var ret []string
 		return ret
 	}
@@ -60,7 +60,6 @@ func (o *AppUsageStatsIn) GetAppIds() []string {
 
 // GetAppIdsOk returns a tuple with the AppIds field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *AppUsageStatsIn) GetAppIdsOk() ([]string, bool) {
 	if o == nil || IsNil(o.AppIds) {
 		return nil, false
@@ -140,7 +139,7 @@ func (o AppUsageStatsIn) MarshalJSON() ([]byte, error) {
 
 func (o AppUsageStatsIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.AppIds != nil {
+	if !IsNil(o.AppIds) {
 		toSerialize["appIds"] = o.AppIds
 	}
 	toSerialize["since"] = o.Since
diff --git a/go/internal/openapi/model_application_in.go b/go/internal/openapi/model_application_in.go
index 4d48876fa..c3ad28b2f 100644
--- a/go/internal/openapi/model_application_in.go
+++ b/go/internal/openapi/model_application_in.go
@@ -23,9 +23,9 @@ var _ MappedNullable = &ApplicationIn{}
 type ApplicationIn struct {
 	Metadata *map[string]string `json:"metadata,omitempty"`
 	Name string `json:"name"`
-	RateLimit NullableInt32 `json:"rateLimit,omitempty"`
+	RateLimit *int32 `json:"rateLimit,omitempty"`
 	// Optional unique identifier for the application
-	Uid NullableString `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	Uid *string `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 }
 
 type _ApplicationIn ApplicationIn
@@ -104,88 +104,68 @@ func (o *ApplicationIn) SetName(v string) {
 	o.Name = v
 }
 
-// GetRateLimit returns the RateLimit field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetRateLimit returns the RateLimit field value if set, zero value otherwise.
 func (o *ApplicationIn) GetRateLimit() int32 {
-	if o == nil || IsNil(o.RateLimit.Get()) {
+	if o == nil || IsNil(o.RateLimit) {
 		var ret int32
 		return ret
 	}
-	return *o.RateLimit.Get()
+	return *o.RateLimit
 }
 
 // GetRateLimitOk returns a tuple with the RateLimit field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ApplicationIn) GetRateLimitOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.RateLimit) {
 		return nil, false
 	}
-	return o.RateLimit.Get(), o.RateLimit.IsSet()
+	return o.RateLimit, true
 }
 
 // HasRateLimit returns a boolean if a field has been set.
 func (o *ApplicationIn) HasRateLimit() bool {
-	if o != nil && o.RateLimit.IsSet() {
+	if o != nil && !IsNil(o.RateLimit) {
 		return true
 	}
 
 	return false
 }
 
-// SetRateLimit gets a reference to the given NullableInt32 and assigns it to the RateLimit field.
+// SetRateLimit gets a reference to the given int32 and assigns it to the RateLimit field.
 func (o *ApplicationIn) SetRateLimit(v int32) {
-	o.RateLimit.Set(&v)
-}
-// SetRateLimitNil sets the value for RateLimit to be an explicit nil
-func (o *ApplicationIn) SetRateLimitNil() {
-	o.RateLimit.Set(nil)
-}
-
-// UnsetRateLimit ensures that no value is present for RateLimit, not even an explicit nil
-func (o *ApplicationIn) UnsetRateLimit() {
-	o.RateLimit.Unset()
+	o.RateLimit = &v
 }
 
-// GetUid returns the Uid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetUid returns the Uid field value if set, zero value otherwise.
 func (o *ApplicationIn) GetUid() string {
-	if o == nil || IsNil(o.Uid.Get()) {
+	if o == nil || IsNil(o.Uid) {
 		var ret string
 		return ret
 	}
-	return *o.Uid.Get()
+	return *o.Uid
 }
 
 // GetUidOk returns a tuple with the Uid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ApplicationIn) GetUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Uid) {
 		return nil, false
 	}
-	return o.Uid.Get(), o.Uid.IsSet()
+	return o.Uid, true
 }
 
 // HasUid returns a boolean if a field has been set.
 func (o *ApplicationIn) HasUid() bool {
-	if o != nil && o.Uid.IsSet() {
+	if o != nil && !IsNil(o.Uid) {
 		return true
 	}
 
 	return false
 }
 
-// SetUid gets a reference to the given NullableString and assigns it to the Uid field.
+// SetUid gets a reference to the given string and assigns it to the Uid field.
 func (o *ApplicationIn) SetUid(v string) {
-	o.Uid.Set(&v)
-}
-// SetUidNil sets the value for Uid to be an explicit nil
-func (o *ApplicationIn) SetUidNil() {
-	o.Uid.Set(nil)
-}
-
-// UnsetUid ensures that no value is present for Uid, not even an explicit nil
-func (o *ApplicationIn) UnsetUid() {
-	o.Uid.Unset()
+	o.Uid = &v
 }
 
 func (o ApplicationIn) MarshalJSON() ([]byte, error) {
@@ -202,11 +182,11 @@ func (o ApplicationIn) ToMap() (map[string]interface{}, error) {
 		toSerialize["metadata"] = o.Metadata
 	}
 	toSerialize["name"] = o.Name
-	if o.RateLimit.IsSet() {
-		toSerialize["rateLimit"] = o.RateLimit.Get()
+	if !IsNil(o.RateLimit) {
+		toSerialize["rateLimit"] = o.RateLimit
 	}
-	if o.Uid.IsSet() {
-		toSerialize["uid"] = o.Uid.Get()
+	if !IsNil(o.Uid) {
+		toSerialize["uid"] = o.Uid
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_application_out.go b/go/internal/openapi/model_application_out.go
index 2d66f5c6e..52ff0b8e9 100644
--- a/go/internal/openapi/model_application_out.go
+++ b/go/internal/openapi/model_application_out.go
@@ -27,9 +27,9 @@ type ApplicationOut struct {
 	Id string `json:"id"`
 	Metadata map[string]string `json:"metadata"`
 	Name string `json:"name"`
-	RateLimit NullableInt32 `json:"rateLimit,omitempty"`
+	RateLimit *int32 `json:"rateLimit,omitempty"`
 	// The app's UID
-	Uid NullableString `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	Uid *string `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	UpdatedAt time.Time `json:"updatedAt"`
 }
 
@@ -153,88 +153,68 @@ func (o *ApplicationOut) SetName(v string) {
 	o.Name = v
 }
 
-// GetRateLimit returns the RateLimit field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetRateLimit returns the RateLimit field value if set, zero value otherwise.
 func (o *ApplicationOut) GetRateLimit() int32 {
-	if o == nil || IsNil(o.RateLimit.Get()) {
+	if o == nil || IsNil(o.RateLimit) {
 		var ret int32
 		return ret
 	}
-	return *o.RateLimit.Get()
+	return *o.RateLimit
 }
 
 // GetRateLimitOk returns a tuple with the RateLimit field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ApplicationOut) GetRateLimitOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.RateLimit) {
 		return nil, false
 	}
-	return o.RateLimit.Get(), o.RateLimit.IsSet()
+	return o.RateLimit, true
 }
 
 // HasRateLimit returns a boolean if a field has been set.
 func (o *ApplicationOut) HasRateLimit() bool {
-	if o != nil && o.RateLimit.IsSet() {
+	if o != nil && !IsNil(o.RateLimit) {
 		return true
 	}
 
 	return false
 }
 
-// SetRateLimit gets a reference to the given NullableInt32 and assigns it to the RateLimit field.
+// SetRateLimit gets a reference to the given int32 and assigns it to the RateLimit field.
 func (o *ApplicationOut) SetRateLimit(v int32) {
-	o.RateLimit.Set(&v)
-}
-// SetRateLimitNil sets the value for RateLimit to be an explicit nil
-func (o *ApplicationOut) SetRateLimitNil() {
-	o.RateLimit.Set(nil)
-}
-
-// UnsetRateLimit ensures that no value is present for RateLimit, not even an explicit nil
-func (o *ApplicationOut) UnsetRateLimit() {
-	o.RateLimit.Unset()
+	o.RateLimit = &v
 }
 
-// GetUid returns the Uid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetUid returns the Uid field value if set, zero value otherwise.
 func (o *ApplicationOut) GetUid() string {
-	if o == nil || IsNil(o.Uid.Get()) {
+	if o == nil || IsNil(o.Uid) {
 		var ret string
 		return ret
 	}
-	return *o.Uid.Get()
+	return *o.Uid
 }
 
 // GetUidOk returns a tuple with the Uid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ApplicationOut) GetUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Uid) {
 		return nil, false
 	}
-	return o.Uid.Get(), o.Uid.IsSet()
+	return o.Uid, true
 }
 
 // HasUid returns a boolean if a field has been set.
 func (o *ApplicationOut) HasUid() bool {
-	if o != nil && o.Uid.IsSet() {
+	if o != nil && !IsNil(o.Uid) {
 		return true
 	}
 
 	return false
 }
 
-// SetUid gets a reference to the given NullableString and assigns it to the Uid field.
+// SetUid gets a reference to the given string and assigns it to the Uid field.
 func (o *ApplicationOut) SetUid(v string) {
-	o.Uid.Set(&v)
-}
-// SetUidNil sets the value for Uid to be an explicit nil
-func (o *ApplicationOut) SetUidNil() {
-	o.Uid.Set(nil)
-}
-
-// UnsetUid ensures that no value is present for Uid, not even an explicit nil
-func (o *ApplicationOut) UnsetUid() {
-	o.Uid.Unset()
+	o.Uid = &v
 }
 
 // GetUpdatedAt returns the UpdatedAt field value
@@ -275,11 +255,11 @@ func (o ApplicationOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["id"] = o.Id
 	toSerialize["metadata"] = o.Metadata
 	toSerialize["name"] = o.Name
-	if o.RateLimit.IsSet() {
-		toSerialize["rateLimit"] = o.RateLimit.Get()
+	if !IsNil(o.RateLimit) {
+		toSerialize["rateLimit"] = o.RateLimit
 	}
-	if o.Uid.IsSet() {
-		toSerialize["uid"] = o.Uid.Get()
+	if !IsNil(o.Uid) {
+		toSerialize["uid"] = o.Uid
 	}
 	toSerialize["updatedAt"] = o.UpdatedAt
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_application_stats.go b/go/internal/openapi/model_application_stats.go
index a0d6a11b9..0f0379028 100644
--- a/go/internal/openapi/model_application_stats.go
+++ b/go/internal/openapi/model_application_stats.go
@@ -24,7 +24,7 @@ type ApplicationStats struct {
 	// The app's ID
 	AppId string `json:"appId"`
 	// The app's UID
-	AppUid NullableString `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	AppUid *string `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	MessageDestinations int32 `json:"messageDestinations"`
 }
 
@@ -73,46 +73,36 @@ func (o *ApplicationStats) SetAppId(v string) {
 	o.AppId = v
 }
 
-// GetAppUid returns the AppUid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetAppUid returns the AppUid field value if set, zero value otherwise.
 func (o *ApplicationStats) GetAppUid() string {
-	if o == nil || IsNil(o.AppUid.Get()) {
+	if o == nil || IsNil(o.AppUid) {
 		var ret string
 		return ret
 	}
-	return *o.AppUid.Get()
+	return *o.AppUid
 }
 
 // GetAppUidOk returns a tuple with the AppUid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ApplicationStats) GetAppUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.AppUid) {
 		return nil, false
 	}
-	return o.AppUid.Get(), o.AppUid.IsSet()
+	return o.AppUid, true
 }
 
 // HasAppUid returns a boolean if a field has been set.
 func (o *ApplicationStats) HasAppUid() bool {
-	if o != nil && o.AppUid.IsSet() {
+	if o != nil && !IsNil(o.AppUid) {
 		return true
 	}
 
 	return false
 }
 
-// SetAppUid gets a reference to the given NullableString and assigns it to the AppUid field.
+// SetAppUid gets a reference to the given string and assigns it to the AppUid field.
 func (o *ApplicationStats) SetAppUid(v string) {
-	o.AppUid.Set(&v)
-}
-// SetAppUidNil sets the value for AppUid to be an explicit nil
-func (o *ApplicationStats) SetAppUidNil() {
-	o.AppUid.Set(nil)
-}
-
-// UnsetAppUid ensures that no value is present for AppUid, not even an explicit nil
-func (o *ApplicationStats) UnsetAppUid() {
-	o.AppUid.Unset()
+	o.AppUid = &v
 }
 
 // GetMessageDestinations returns the MessageDestinations field value
@@ -150,8 +140,8 @@ func (o ApplicationStats) MarshalJSON() ([]byte, error) {
 func (o ApplicationStats) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["appId"] = o.AppId
-	if o.AppUid.IsSet() {
-		toSerialize["appUid"] = o.AppUid.Get()
+	if !IsNil(o.AppUid) {
+		toSerialize["appUid"] = o.AppUid
 	}
 	toSerialize["messageDestinations"] = o.MessageDestinations
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_application_token_expire_in.go b/go/internal/openapi/model_application_token_expire_in.go
index 5d091ed0e..6a7df1623 100644
--- a/go/internal/openapi/model_application_token_expire_in.go
+++ b/go/internal/openapi/model_application_token_expire_in.go
@@ -20,7 +20,7 @@ var _ MappedNullable = &ApplicationTokenExpireIn{}
 // ApplicationTokenExpireIn struct for ApplicationTokenExpireIn
 type ApplicationTokenExpireIn struct {
 	// How many seconds until the old key is expired.
-	Expiry NullableInt64 `json:"expiry,omitempty"`
+	Expiry *int64 `json:"expiry,omitempty"`
 }
 
 // NewApplicationTokenExpireIn instantiates a new ApplicationTokenExpireIn object
@@ -40,46 +40,36 @@ func NewApplicationTokenExpireInWithDefaults() *ApplicationTokenExpireIn {
 	return &this
 }
 
-// GetExpiry returns the Expiry field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetExpiry returns the Expiry field value if set, zero value otherwise.
 func (o *ApplicationTokenExpireIn) GetExpiry() int64 {
-	if o == nil || IsNil(o.Expiry.Get()) {
+	if o == nil || IsNil(o.Expiry) {
 		var ret int64
 		return ret
 	}
-	return *o.Expiry.Get()
+	return *o.Expiry
 }
 
 // GetExpiryOk returns a tuple with the Expiry field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ApplicationTokenExpireIn) GetExpiryOk() (*int64, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Expiry) {
 		return nil, false
 	}
-	return o.Expiry.Get(), o.Expiry.IsSet()
+	return o.Expiry, true
 }
 
 // HasExpiry returns a boolean if a field has been set.
 func (o *ApplicationTokenExpireIn) HasExpiry() bool {
-	if o != nil && o.Expiry.IsSet() {
+	if o != nil && !IsNil(o.Expiry) {
 		return true
 	}
 
 	return false
 }
 
-// SetExpiry gets a reference to the given NullableInt64 and assigns it to the Expiry field.
+// SetExpiry gets a reference to the given int64 and assigns it to the Expiry field.
 func (o *ApplicationTokenExpireIn) SetExpiry(v int64) {
-	o.Expiry.Set(&v)
-}
-// SetExpiryNil sets the value for Expiry to be an explicit nil
-func (o *ApplicationTokenExpireIn) SetExpiryNil() {
-	o.Expiry.Set(nil)
-}
-
-// UnsetExpiry ensures that no value is present for Expiry, not even an explicit nil
-func (o *ApplicationTokenExpireIn) UnsetExpiry() {
-	o.Expiry.Unset()
+	o.Expiry = &v
 }
 
 func (o ApplicationTokenExpireIn) MarshalJSON() ([]byte, error) {
@@ -92,8 +82,8 @@ func (o ApplicationTokenExpireIn) MarshalJSON() ([]byte, error) {
 
 func (o ApplicationTokenExpireIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Expiry.IsSet() {
-		toSerialize["expiry"] = o.Expiry.Get()
+	if !IsNil(o.Expiry) {
+		toSerialize["expiry"] = o.Expiry
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_attempt_statistics_data.go b/go/internal/openapi/model_attempt_statistics_data.go
index 67e0fb92e..566a853e2 100644
--- a/go/internal/openapi/model_attempt_statistics_data.go
+++ b/go/internal/openapi/model_attempt_statistics_data.go
@@ -40,9 +40,9 @@ func NewAttemptStatisticsDataWithDefaults() *AttemptStatisticsData {
 	return &this
 }
 
-// GetFailureCount returns the FailureCount field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFailureCount returns the FailureCount field value if set, zero value otherwise.
 func (o *AttemptStatisticsData) GetFailureCount() []int32 {
-	if o == nil {
+	if o == nil || IsNil(o.FailureCount) {
 		var ret []int32
 		return ret
 	}
@@ -51,7 +51,6 @@ func (o *AttemptStatisticsData) GetFailureCount() []int32 {
 
 // GetFailureCountOk returns a tuple with the FailureCount field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *AttemptStatisticsData) GetFailureCountOk() ([]int32, bool) {
 	if o == nil || IsNil(o.FailureCount) {
 		return nil, false
@@ -73,9 +72,9 @@ func (o *AttemptStatisticsData) SetFailureCount(v []int32) {
 	o.FailureCount = v
 }
 
-// GetSuccessCount returns the SuccessCount field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetSuccessCount returns the SuccessCount field value if set, zero value otherwise.
 func (o *AttemptStatisticsData) GetSuccessCount() []int32 {
-	if o == nil {
+	if o == nil || IsNil(o.SuccessCount) {
 		var ret []int32
 		return ret
 	}
@@ -84,7 +83,6 @@ func (o *AttemptStatisticsData) GetSuccessCount() []int32 {
 
 // GetSuccessCountOk returns a tuple with the SuccessCount field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *AttemptStatisticsData) GetSuccessCountOk() ([]int32, bool) {
 	if o == nil || IsNil(o.SuccessCount) {
 		return nil, false
@@ -116,10 +114,10 @@ func (o AttemptStatisticsData) MarshalJSON() ([]byte, error) {
 
 func (o AttemptStatisticsData) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.FailureCount != nil {
+	if !IsNil(o.FailureCount) {
 		toSerialize["failureCount"] = o.FailureCount
 	}
-	if o.SuccessCount != nil {
+	if !IsNil(o.SuccessCount) {
 		toSerialize["successCount"] = o.SuccessCount
 	}
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_auth_token_out.go b/go/internal/openapi/model_auth_token_out.go
index eb749e36e..710f0906f 100644
--- a/go/internal/openapi/model_auth_token_out.go
+++ b/go/internal/openapi/model_auth_token_out.go
@@ -23,10 +23,10 @@ var _ MappedNullable = &AuthTokenOut{}
 // AuthTokenOut struct for AuthTokenOut
 type AuthTokenOut struct {
 	CreatedAt time.Time `json:"createdAt"`
-	ExpiresAt NullableTime `json:"expiresAt,omitempty"`
+	ExpiresAt *time.Time `json:"expiresAt,omitempty"`
 	// The key's ID
 	Id string `json:"id"`
-	Name NullableString `json:"name,omitempty"`
+	Name *string `json:"name,omitempty"`
 	Scopes []string `json:"scopes,omitempty"`
 	Token string `json:"token"`
 }
@@ -77,46 +77,36 @@ func (o *AuthTokenOut) SetCreatedAt(v time.Time) {
 	o.CreatedAt = v
 }
 
-// GetExpiresAt returns the ExpiresAt field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetExpiresAt returns the ExpiresAt field value if set, zero value otherwise.
 func (o *AuthTokenOut) GetExpiresAt() time.Time {
-	if o == nil || IsNil(o.ExpiresAt.Get()) {
+	if o == nil || IsNil(o.ExpiresAt) {
 		var ret time.Time
 		return ret
 	}
-	return *o.ExpiresAt.Get()
+	return *o.ExpiresAt
 }
 
 // GetExpiresAtOk returns a tuple with the ExpiresAt field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *AuthTokenOut) GetExpiresAtOk() (*time.Time, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.ExpiresAt) {
 		return nil, false
 	}
-	return o.ExpiresAt.Get(), o.ExpiresAt.IsSet()
+	return o.ExpiresAt, true
 }
 
 // HasExpiresAt returns a boolean if a field has been set.
 func (o *AuthTokenOut) HasExpiresAt() bool {
-	if o != nil && o.ExpiresAt.IsSet() {
+	if o != nil && !IsNil(o.ExpiresAt) {
 		return true
 	}
 
 	return false
 }
 
-// SetExpiresAt gets a reference to the given NullableTime and assigns it to the ExpiresAt field.
+// SetExpiresAt gets a reference to the given time.Time and assigns it to the ExpiresAt field.
 func (o *AuthTokenOut) SetExpiresAt(v time.Time) {
-	o.ExpiresAt.Set(&v)
-}
-// SetExpiresAtNil sets the value for ExpiresAt to be an explicit nil
-func (o *AuthTokenOut) SetExpiresAtNil() {
-	o.ExpiresAt.Set(nil)
-}
-
-// UnsetExpiresAt ensures that no value is present for ExpiresAt, not even an explicit nil
-func (o *AuthTokenOut) UnsetExpiresAt() {
-	o.ExpiresAt.Unset()
+	o.ExpiresAt = &v
 }
 
 // GetId returns the Id field value
@@ -143,51 +133,41 @@ func (o *AuthTokenOut) SetId(v string) {
 	o.Id = v
 }
 
-// GetName returns the Name field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetName returns the Name field value if set, zero value otherwise.
 func (o *AuthTokenOut) GetName() string {
-	if o == nil || IsNil(o.Name.Get()) {
+	if o == nil || IsNil(o.Name) {
 		var ret string
 		return ret
 	}
-	return *o.Name.Get()
+	return *o.Name
 }
 
 // GetNameOk returns a tuple with the Name field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *AuthTokenOut) GetNameOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Name) {
 		return nil, false
 	}
-	return o.Name.Get(), o.Name.IsSet()
+	return o.Name, true
 }
 
 // HasName returns a boolean if a field has been set.
 func (o *AuthTokenOut) HasName() bool {
-	if o != nil && o.Name.IsSet() {
+	if o != nil && !IsNil(o.Name) {
 		return true
 	}
 
 	return false
 }
 
-// SetName gets a reference to the given NullableString and assigns it to the Name field.
+// SetName gets a reference to the given string and assigns it to the Name field.
 func (o *AuthTokenOut) SetName(v string) {
-	o.Name.Set(&v)
-}
-// SetNameNil sets the value for Name to be an explicit nil
-func (o *AuthTokenOut) SetNameNil() {
-	o.Name.Set(nil)
-}
-
-// UnsetName ensures that no value is present for Name, not even an explicit nil
-func (o *AuthTokenOut) UnsetName() {
-	o.Name.Unset()
+	o.Name = &v
 }
 
-// GetScopes returns the Scopes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetScopes returns the Scopes field value if set, zero value otherwise.
 func (o *AuthTokenOut) GetScopes() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Scopes) {
 		var ret []string
 		return ret
 	}
@@ -196,7 +176,6 @@ func (o *AuthTokenOut) GetScopes() []string {
 
 // GetScopesOk returns a tuple with the Scopes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *AuthTokenOut) GetScopesOk() ([]string, bool) {
 	if o == nil || IsNil(o.Scopes) {
 		return nil, false
@@ -253,14 +232,14 @@ func (o AuthTokenOut) MarshalJSON() ([]byte, error) {
 func (o AuthTokenOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["createdAt"] = o.CreatedAt
-	if o.ExpiresAt.IsSet() {
-		toSerialize["expiresAt"] = o.ExpiresAt.Get()
+	if !IsNil(o.ExpiresAt) {
+		toSerialize["expiresAt"] = o.ExpiresAt
 	}
 	toSerialize["id"] = o.Id
-	if o.Name.IsSet() {
-		toSerialize["name"] = o.Name.Get()
+	if !IsNil(o.Name) {
+		toSerialize["name"] = o.Name
 	}
-	if o.Scopes != nil {
+	if !IsNil(o.Scopes) {
 		toSerialize["scopes"] = o.Scopes
 	}
 	toSerialize["token"] = o.Token
diff --git a/go/internal/openapi/model_client_secret_jwt_params_in.go b/go/internal/openapi/model_client_secret_jwt_params_in.go
index c0c932893..7a48b3e84 100644
--- a/go/internal/openapi/model_client_secret_jwt_params_in.go
+++ b/go/internal/openapi/model_client_secret_jwt_params_in.go
@@ -24,10 +24,10 @@ type ClientSecretJwtParamsIn struct {
 	// The base64-encoded secret used for signing the JWT.
 	SecretBase64 string `json:"secretBase64"`
 	// Optional secret identifier. If supplied, this will be populated in the JWT header in the `kid` field.
-	SecretId NullableString `json:"secretId,omitempty"`
+	SecretId *string `json:"secretId,omitempty"`
 	SigningAlgorithm OauthJwsSigningAlgorithm `json:"signingAlgorithm"`
 	// Optional number of seconds after which the JWT should expire. Defaults to 300 seconds.
-	TokenExpirySecs NullableInt32 `json:"tokenExpirySecs,omitempty"`
+	TokenExpirySecs *int32 `json:"tokenExpirySecs,omitempty"`
 }
 
 type _ClientSecretJwtParamsIn ClientSecretJwtParamsIn
@@ -75,46 +75,36 @@ func (o *ClientSecretJwtParamsIn) SetSecretBase64(v string) {
 	o.SecretBase64 = v
 }
 
-// GetSecretId returns the SecretId field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetSecretId returns the SecretId field value if set, zero value otherwise.
 func (o *ClientSecretJwtParamsIn) GetSecretId() string {
-	if o == nil || IsNil(o.SecretId.Get()) {
+	if o == nil || IsNil(o.SecretId) {
 		var ret string
 		return ret
 	}
-	return *o.SecretId.Get()
+	return *o.SecretId
 }
 
 // GetSecretIdOk returns a tuple with the SecretId field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ClientSecretJwtParamsIn) GetSecretIdOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.SecretId) {
 		return nil, false
 	}
-	return o.SecretId.Get(), o.SecretId.IsSet()
+	return o.SecretId, true
 }
 
 // HasSecretId returns a boolean if a field has been set.
 func (o *ClientSecretJwtParamsIn) HasSecretId() bool {
-	if o != nil && o.SecretId.IsSet() {
+	if o != nil && !IsNil(o.SecretId) {
 		return true
 	}
 
 	return false
 }
 
-// SetSecretId gets a reference to the given NullableString and assigns it to the SecretId field.
+// SetSecretId gets a reference to the given string and assigns it to the SecretId field.
 func (o *ClientSecretJwtParamsIn) SetSecretId(v string) {
-	o.SecretId.Set(&v)
-}
-// SetSecretIdNil sets the value for SecretId to be an explicit nil
-func (o *ClientSecretJwtParamsIn) SetSecretIdNil() {
-	o.SecretId.Set(nil)
-}
-
-// UnsetSecretId ensures that no value is present for SecretId, not even an explicit nil
-func (o *ClientSecretJwtParamsIn) UnsetSecretId() {
-	o.SecretId.Unset()
+	o.SecretId = &v
 }
 
 // GetSigningAlgorithm returns the SigningAlgorithm field value
@@ -141,46 +131,36 @@ func (o *ClientSecretJwtParamsIn) SetSigningAlgorithm(v OauthJwsSigningAlgorithm
 	o.SigningAlgorithm = v
 }
 
-// GetTokenExpirySecs returns the TokenExpirySecs field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetTokenExpirySecs returns the TokenExpirySecs field value if set, zero value otherwise.
 func (o *ClientSecretJwtParamsIn) GetTokenExpirySecs() int32 {
-	if o == nil || IsNil(o.TokenExpirySecs.Get()) {
+	if o == nil || IsNil(o.TokenExpirySecs) {
 		var ret int32
 		return ret
 	}
-	return *o.TokenExpirySecs.Get()
+	return *o.TokenExpirySecs
 }
 
 // GetTokenExpirySecsOk returns a tuple with the TokenExpirySecs field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ClientSecretJwtParamsIn) GetTokenExpirySecsOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.TokenExpirySecs) {
 		return nil, false
 	}
-	return o.TokenExpirySecs.Get(), o.TokenExpirySecs.IsSet()
+	return o.TokenExpirySecs, true
 }
 
 // HasTokenExpirySecs returns a boolean if a field has been set.
 func (o *ClientSecretJwtParamsIn) HasTokenExpirySecs() bool {
-	if o != nil && o.TokenExpirySecs.IsSet() {
+	if o != nil && !IsNil(o.TokenExpirySecs) {
 		return true
 	}
 
 	return false
 }
 
-// SetTokenExpirySecs gets a reference to the given NullableInt32 and assigns it to the TokenExpirySecs field.
+// SetTokenExpirySecs gets a reference to the given int32 and assigns it to the TokenExpirySecs field.
 func (o *ClientSecretJwtParamsIn) SetTokenExpirySecs(v int32) {
-	o.TokenExpirySecs.Set(&v)
-}
-// SetTokenExpirySecsNil sets the value for TokenExpirySecs to be an explicit nil
-func (o *ClientSecretJwtParamsIn) SetTokenExpirySecsNil() {
-	o.TokenExpirySecs.Set(nil)
-}
-
-// UnsetTokenExpirySecs ensures that no value is present for TokenExpirySecs, not even an explicit nil
-func (o *ClientSecretJwtParamsIn) UnsetTokenExpirySecs() {
-	o.TokenExpirySecs.Unset()
+	o.TokenExpirySecs = &v
 }
 
 func (o ClientSecretJwtParamsIn) MarshalJSON() ([]byte, error) {
@@ -194,12 +174,12 @@ func (o ClientSecretJwtParamsIn) MarshalJSON() ([]byte, error) {
 func (o ClientSecretJwtParamsIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["secretBase64"] = o.SecretBase64
-	if o.SecretId.IsSet() {
-		toSerialize["secretId"] = o.SecretId.Get()
+	if !IsNil(o.SecretId) {
+		toSerialize["secretId"] = o.SecretId
 	}
 	toSerialize["signingAlgorithm"] = o.SigningAlgorithm
-	if o.TokenExpirySecs.IsSet() {
-		toSerialize["tokenExpirySecs"] = o.TokenExpirySecs.Get()
+	if !IsNil(o.TokenExpirySecs) {
+		toSerialize["tokenExpirySecs"] = o.TokenExpirySecs
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_create_message_token_in.go b/go/internal/openapi/model_create_message_token_in.go
index 408779834..3bd9b529a 100644
--- a/go/internal/openapi/model_create_message_token_in.go
+++ b/go/internal/openapi/model_create_message_token_in.go
@@ -22,7 +22,7 @@ var _ MappedNullable = &CreateMessageTokenIn{}
 // CreateMessageTokenIn struct for CreateMessageTokenIn
 type CreateMessageTokenIn struct {
 	// How long the token will be valid for, in seconds.
-	Expiry NullableInt32 `json:"expiry,omitempty"`
+	Expiry *int32 `json:"expiry,omitempty"`
 	// The name of the token.
 	Name string `json:"name"`
 }
@@ -47,46 +47,36 @@ func NewCreateMessageTokenInWithDefaults() *CreateMessageTokenIn {
 	return &this
 }
 
-// GetExpiry returns the Expiry field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetExpiry returns the Expiry field value if set, zero value otherwise.
 func (o *CreateMessageTokenIn) GetExpiry() int32 {
-	if o == nil || IsNil(o.Expiry.Get()) {
+	if o == nil || IsNil(o.Expiry) {
 		var ret int32
 		return ret
 	}
-	return *o.Expiry.Get()
+	return *o.Expiry
 }
 
 // GetExpiryOk returns a tuple with the Expiry field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CreateMessageTokenIn) GetExpiryOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Expiry) {
 		return nil, false
 	}
-	return o.Expiry.Get(), o.Expiry.IsSet()
+	return o.Expiry, true
 }
 
 // HasExpiry returns a boolean if a field has been set.
 func (o *CreateMessageTokenIn) HasExpiry() bool {
-	if o != nil && o.Expiry.IsSet() {
+	if o != nil && !IsNil(o.Expiry) {
 		return true
 	}
 
 	return false
 }
 
-// SetExpiry gets a reference to the given NullableInt32 and assigns it to the Expiry field.
+// SetExpiry gets a reference to the given int32 and assigns it to the Expiry field.
 func (o *CreateMessageTokenIn) SetExpiry(v int32) {
-	o.Expiry.Set(&v)
-}
-// SetExpiryNil sets the value for Expiry to be an explicit nil
-func (o *CreateMessageTokenIn) SetExpiryNil() {
-	o.Expiry.Set(nil)
-}
-
-// UnsetExpiry ensures that no value is present for Expiry, not even an explicit nil
-func (o *CreateMessageTokenIn) UnsetExpiry() {
-	o.Expiry.Unset()
+	o.Expiry = &v
 }
 
 // GetName returns the Name field value
@@ -123,8 +113,8 @@ func (o CreateMessageTokenIn) MarshalJSON() ([]byte, error) {
 
 func (o CreateMessageTokenIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Expiry.IsSet() {
-		toSerialize["expiry"] = o.Expiry.Get()
+	if !IsNil(o.Expiry) {
+		toSerialize["expiry"] = o.Expiry
 	}
 	toSerialize["name"] = o.Name
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_custom_color_palette.go b/go/internal/openapi/model_custom_color_palette.go
index 533508fc4..8a27fc5f6 100644
--- a/go/internal/openapi/model_custom_color_palette.go
+++ b/go/internal/openapi/model_custom_color_palette.go
@@ -19,15 +19,15 @@ var _ MappedNullable = &CustomColorPalette{}
 
 // CustomColorPalette struct for CustomColorPalette
 type CustomColorPalette struct {
-	BackgroundHover NullableString `json:"backgroundHover,omitempty"`
-	BackgroundPrimary NullableString `json:"backgroundPrimary,omitempty"`
-	BackgroundSecondary NullableString `json:"backgroundSecondary,omitempty"`
-	ButtonPrimary NullableString `json:"buttonPrimary,omitempty"`
-	InteractiveAccent NullableString `json:"interactiveAccent,omitempty"`
-	NavigationAccent NullableString `json:"navigationAccent,omitempty"`
-	Primary NullableString `json:"primary,omitempty"`
-	TextDanger NullableString `json:"textDanger,omitempty"`
-	TextPrimary NullableString `json:"textPrimary,omitempty"`
+	BackgroundHover *string `json:"backgroundHover,omitempty"`
+	BackgroundPrimary *string `json:"backgroundPrimary,omitempty"`
+	BackgroundSecondary *string `json:"backgroundSecondary,omitempty"`
+	ButtonPrimary *string `json:"buttonPrimary,omitempty"`
+	InteractiveAccent *string `json:"interactiveAccent,omitempty"`
+	NavigationAccent *string `json:"navigationAccent,omitempty"`
+	Primary *string `json:"primary,omitempty"`
+	TextDanger *string `json:"textDanger,omitempty"`
+	TextPrimary *string `json:"textPrimary,omitempty"`
 }
 
 // NewCustomColorPalette instantiates a new CustomColorPalette object
@@ -47,382 +47,292 @@ func NewCustomColorPaletteWithDefaults() *CustomColorPalette {
 	return &this
 }
 
-// GetBackgroundHover returns the BackgroundHover field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetBackgroundHover returns the BackgroundHover field value if set, zero value otherwise.
 func (o *CustomColorPalette) GetBackgroundHover() string {
-	if o == nil || IsNil(o.BackgroundHover.Get()) {
+	if o == nil || IsNil(o.BackgroundHover) {
 		var ret string
 		return ret
 	}
-	return *o.BackgroundHover.Get()
+	return *o.BackgroundHover
 }
 
 // GetBackgroundHoverOk returns a tuple with the BackgroundHover field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CustomColorPalette) GetBackgroundHoverOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.BackgroundHover) {
 		return nil, false
 	}
-	return o.BackgroundHover.Get(), o.BackgroundHover.IsSet()
+	return o.BackgroundHover, true
 }
 
 // HasBackgroundHover returns a boolean if a field has been set.
 func (o *CustomColorPalette) HasBackgroundHover() bool {
-	if o != nil && o.BackgroundHover.IsSet() {
+	if o != nil && !IsNil(o.BackgroundHover) {
 		return true
 	}
 
 	return false
 }
 
-// SetBackgroundHover gets a reference to the given NullableString and assigns it to the BackgroundHover field.
+// SetBackgroundHover gets a reference to the given string and assigns it to the BackgroundHover field.
 func (o *CustomColorPalette) SetBackgroundHover(v string) {
-	o.BackgroundHover.Set(&v)
-}
-// SetBackgroundHoverNil sets the value for BackgroundHover to be an explicit nil
-func (o *CustomColorPalette) SetBackgroundHoverNil() {
-	o.BackgroundHover.Set(nil)
-}
-
-// UnsetBackgroundHover ensures that no value is present for BackgroundHover, not even an explicit nil
-func (o *CustomColorPalette) UnsetBackgroundHover() {
-	o.BackgroundHover.Unset()
+	o.BackgroundHover = &v
 }
 
-// GetBackgroundPrimary returns the BackgroundPrimary field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetBackgroundPrimary returns the BackgroundPrimary field value if set, zero value otherwise.
 func (o *CustomColorPalette) GetBackgroundPrimary() string {
-	if o == nil || IsNil(o.BackgroundPrimary.Get()) {
+	if o == nil || IsNil(o.BackgroundPrimary) {
 		var ret string
 		return ret
 	}
-	return *o.BackgroundPrimary.Get()
+	return *o.BackgroundPrimary
 }
 
 // GetBackgroundPrimaryOk returns a tuple with the BackgroundPrimary field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CustomColorPalette) GetBackgroundPrimaryOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.BackgroundPrimary) {
 		return nil, false
 	}
-	return o.BackgroundPrimary.Get(), o.BackgroundPrimary.IsSet()
+	return o.BackgroundPrimary, true
 }
 
 // HasBackgroundPrimary returns a boolean if a field has been set.
 func (o *CustomColorPalette) HasBackgroundPrimary() bool {
-	if o != nil && o.BackgroundPrimary.IsSet() {
+	if o != nil && !IsNil(o.BackgroundPrimary) {
 		return true
 	}
 
 	return false
 }
 
-// SetBackgroundPrimary gets a reference to the given NullableString and assigns it to the BackgroundPrimary field.
+// SetBackgroundPrimary gets a reference to the given string and assigns it to the BackgroundPrimary field.
 func (o *CustomColorPalette) SetBackgroundPrimary(v string) {
-	o.BackgroundPrimary.Set(&v)
-}
-// SetBackgroundPrimaryNil sets the value for BackgroundPrimary to be an explicit nil
-func (o *CustomColorPalette) SetBackgroundPrimaryNil() {
-	o.BackgroundPrimary.Set(nil)
+	o.BackgroundPrimary = &v
 }
 
-// UnsetBackgroundPrimary ensures that no value is present for BackgroundPrimary, not even an explicit nil
-func (o *CustomColorPalette) UnsetBackgroundPrimary() {
-	o.BackgroundPrimary.Unset()
-}
-
-// GetBackgroundSecondary returns the BackgroundSecondary field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetBackgroundSecondary returns the BackgroundSecondary field value if set, zero value otherwise.
 func (o *CustomColorPalette) GetBackgroundSecondary() string {
-	if o == nil || IsNil(o.BackgroundSecondary.Get()) {
+	if o == nil || IsNil(o.BackgroundSecondary) {
 		var ret string
 		return ret
 	}
-	return *o.BackgroundSecondary.Get()
+	return *o.BackgroundSecondary
 }
 
 // GetBackgroundSecondaryOk returns a tuple with the BackgroundSecondary field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CustomColorPalette) GetBackgroundSecondaryOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.BackgroundSecondary) {
 		return nil, false
 	}
-	return o.BackgroundSecondary.Get(), o.BackgroundSecondary.IsSet()
+	return o.BackgroundSecondary, true
 }
 
 // HasBackgroundSecondary returns a boolean if a field has been set.
 func (o *CustomColorPalette) HasBackgroundSecondary() bool {
-	if o != nil && o.BackgroundSecondary.IsSet() {
+	if o != nil && !IsNil(o.BackgroundSecondary) {
 		return true
 	}
 
 	return false
 }
 
-// SetBackgroundSecondary gets a reference to the given NullableString and assigns it to the BackgroundSecondary field.
+// SetBackgroundSecondary gets a reference to the given string and assigns it to the BackgroundSecondary field.
 func (o *CustomColorPalette) SetBackgroundSecondary(v string) {
-	o.BackgroundSecondary.Set(&v)
-}
-// SetBackgroundSecondaryNil sets the value for BackgroundSecondary to be an explicit nil
-func (o *CustomColorPalette) SetBackgroundSecondaryNil() {
-	o.BackgroundSecondary.Set(nil)
+	o.BackgroundSecondary = &v
 }
 
-// UnsetBackgroundSecondary ensures that no value is present for BackgroundSecondary, not even an explicit nil
-func (o *CustomColorPalette) UnsetBackgroundSecondary() {
-	o.BackgroundSecondary.Unset()
-}
-
-// GetButtonPrimary returns the ButtonPrimary field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetButtonPrimary returns the ButtonPrimary field value if set, zero value otherwise.
 func (o *CustomColorPalette) GetButtonPrimary() string {
-	if o == nil || IsNil(o.ButtonPrimary.Get()) {
+	if o == nil || IsNil(o.ButtonPrimary) {
 		var ret string
 		return ret
 	}
-	return *o.ButtonPrimary.Get()
+	return *o.ButtonPrimary
 }
 
 // GetButtonPrimaryOk returns a tuple with the ButtonPrimary field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CustomColorPalette) GetButtonPrimaryOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.ButtonPrimary) {
 		return nil, false
 	}
-	return o.ButtonPrimary.Get(), o.ButtonPrimary.IsSet()
+	return o.ButtonPrimary, true
 }
 
 // HasButtonPrimary returns a boolean if a field has been set.
 func (o *CustomColorPalette) HasButtonPrimary() bool {
-	if o != nil && o.ButtonPrimary.IsSet() {
+	if o != nil && !IsNil(o.ButtonPrimary) {
 		return true
 	}
 
 	return false
 }
 
-// SetButtonPrimary gets a reference to the given NullableString and assigns it to the ButtonPrimary field.
+// SetButtonPrimary gets a reference to the given string and assigns it to the ButtonPrimary field.
 func (o *CustomColorPalette) SetButtonPrimary(v string) {
-	o.ButtonPrimary.Set(&v)
-}
-// SetButtonPrimaryNil sets the value for ButtonPrimary to be an explicit nil
-func (o *CustomColorPalette) SetButtonPrimaryNil() {
-	o.ButtonPrimary.Set(nil)
+	o.ButtonPrimary = &v
 }
 
-// UnsetButtonPrimary ensures that no value is present for ButtonPrimary, not even an explicit nil
-func (o *CustomColorPalette) UnsetButtonPrimary() {
-	o.ButtonPrimary.Unset()
-}
-
-// GetInteractiveAccent returns the InteractiveAccent field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetInteractiveAccent returns the InteractiveAccent field value if set, zero value otherwise.
 func (o *CustomColorPalette) GetInteractiveAccent() string {
-	if o == nil || IsNil(o.InteractiveAccent.Get()) {
+	if o == nil || IsNil(o.InteractiveAccent) {
 		var ret string
 		return ret
 	}
-	return *o.InteractiveAccent.Get()
+	return *o.InteractiveAccent
 }
 
 // GetInteractiveAccentOk returns a tuple with the InteractiveAccent field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CustomColorPalette) GetInteractiveAccentOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.InteractiveAccent) {
 		return nil, false
 	}
-	return o.InteractiveAccent.Get(), o.InteractiveAccent.IsSet()
+	return o.InteractiveAccent, true
 }
 
 // HasInteractiveAccent returns a boolean if a field has been set.
 func (o *CustomColorPalette) HasInteractiveAccent() bool {
-	if o != nil && o.InteractiveAccent.IsSet() {
+	if o != nil && !IsNil(o.InteractiveAccent) {
 		return true
 	}
 
 	return false
 }
 
-// SetInteractiveAccent gets a reference to the given NullableString and assigns it to the InteractiveAccent field.
+// SetInteractiveAccent gets a reference to the given string and assigns it to the InteractiveAccent field.
 func (o *CustomColorPalette) SetInteractiveAccent(v string) {
-	o.InteractiveAccent.Set(&v)
-}
-// SetInteractiveAccentNil sets the value for InteractiveAccent to be an explicit nil
-func (o *CustomColorPalette) SetInteractiveAccentNil() {
-	o.InteractiveAccent.Set(nil)
+	o.InteractiveAccent = &v
 }
 
-// UnsetInteractiveAccent ensures that no value is present for InteractiveAccent, not even an explicit nil
-func (o *CustomColorPalette) UnsetInteractiveAccent() {
-	o.InteractiveAccent.Unset()
-}
-
-// GetNavigationAccent returns the NavigationAccent field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetNavigationAccent returns the NavigationAccent field value if set, zero value otherwise.
 func (o *CustomColorPalette) GetNavigationAccent() string {
-	if o == nil || IsNil(o.NavigationAccent.Get()) {
+	if o == nil || IsNil(o.NavigationAccent) {
 		var ret string
 		return ret
 	}
-	return *o.NavigationAccent.Get()
+	return *o.NavigationAccent
 }
 
 // GetNavigationAccentOk returns a tuple with the NavigationAccent field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CustomColorPalette) GetNavigationAccentOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.NavigationAccent) {
 		return nil, false
 	}
-	return o.NavigationAccent.Get(), o.NavigationAccent.IsSet()
+	return o.NavigationAccent, true
 }
 
 // HasNavigationAccent returns a boolean if a field has been set.
 func (o *CustomColorPalette) HasNavigationAccent() bool {
-	if o != nil && o.NavigationAccent.IsSet() {
+	if o != nil && !IsNil(o.NavigationAccent) {
 		return true
 	}
 
 	return false
 }
 
-// SetNavigationAccent gets a reference to the given NullableString and assigns it to the NavigationAccent field.
+// SetNavigationAccent gets a reference to the given string and assigns it to the NavigationAccent field.
 func (o *CustomColorPalette) SetNavigationAccent(v string) {
-	o.NavigationAccent.Set(&v)
-}
-// SetNavigationAccentNil sets the value for NavigationAccent to be an explicit nil
-func (o *CustomColorPalette) SetNavigationAccentNil() {
-	o.NavigationAccent.Set(nil)
-}
-
-// UnsetNavigationAccent ensures that no value is present for NavigationAccent, not even an explicit nil
-func (o *CustomColorPalette) UnsetNavigationAccent() {
-	o.NavigationAccent.Unset()
+	o.NavigationAccent = &v
 }
 
-// GetPrimary returns the Primary field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrimary returns the Primary field value if set, zero value otherwise.
 func (o *CustomColorPalette) GetPrimary() string {
-	if o == nil || IsNil(o.Primary.Get()) {
+	if o == nil || IsNil(o.Primary) {
 		var ret string
 		return ret
 	}
-	return *o.Primary.Get()
+	return *o.Primary
 }
 
 // GetPrimaryOk returns a tuple with the Primary field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CustomColorPalette) GetPrimaryOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Primary) {
 		return nil, false
 	}
-	return o.Primary.Get(), o.Primary.IsSet()
+	return o.Primary, true
 }
 
 // HasPrimary returns a boolean if a field has been set.
 func (o *CustomColorPalette) HasPrimary() bool {
-	if o != nil && o.Primary.IsSet() {
+	if o != nil && !IsNil(o.Primary) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrimary gets a reference to the given NullableString and assigns it to the Primary field.
+// SetPrimary gets a reference to the given string and assigns it to the Primary field.
 func (o *CustomColorPalette) SetPrimary(v string) {
-	o.Primary.Set(&v)
-}
-// SetPrimaryNil sets the value for Primary to be an explicit nil
-func (o *CustomColorPalette) SetPrimaryNil() {
-	o.Primary.Set(nil)
-}
-
-// UnsetPrimary ensures that no value is present for Primary, not even an explicit nil
-func (o *CustomColorPalette) UnsetPrimary() {
-	o.Primary.Unset()
+	o.Primary = &v
 }
 
-// GetTextDanger returns the TextDanger field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetTextDanger returns the TextDanger field value if set, zero value otherwise.
 func (o *CustomColorPalette) GetTextDanger() string {
-	if o == nil || IsNil(o.TextDanger.Get()) {
+	if o == nil || IsNil(o.TextDanger) {
 		var ret string
 		return ret
 	}
-	return *o.TextDanger.Get()
+	return *o.TextDanger
 }
 
 // GetTextDangerOk returns a tuple with the TextDanger field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CustomColorPalette) GetTextDangerOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.TextDanger) {
 		return nil, false
 	}
-	return o.TextDanger.Get(), o.TextDanger.IsSet()
+	return o.TextDanger, true
 }
 
 // HasTextDanger returns a boolean if a field has been set.
 func (o *CustomColorPalette) HasTextDanger() bool {
-	if o != nil && o.TextDanger.IsSet() {
+	if o != nil && !IsNil(o.TextDanger) {
 		return true
 	}
 
 	return false
 }
 
-// SetTextDanger gets a reference to the given NullableString and assigns it to the TextDanger field.
+// SetTextDanger gets a reference to the given string and assigns it to the TextDanger field.
 func (o *CustomColorPalette) SetTextDanger(v string) {
-	o.TextDanger.Set(&v)
-}
-// SetTextDangerNil sets the value for TextDanger to be an explicit nil
-func (o *CustomColorPalette) SetTextDangerNil() {
-	o.TextDanger.Set(nil)
-}
-
-// UnsetTextDanger ensures that no value is present for TextDanger, not even an explicit nil
-func (o *CustomColorPalette) UnsetTextDanger() {
-	o.TextDanger.Unset()
+	o.TextDanger = &v
 }
 
-// GetTextPrimary returns the TextPrimary field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetTextPrimary returns the TextPrimary field value if set, zero value otherwise.
 func (o *CustomColorPalette) GetTextPrimary() string {
-	if o == nil || IsNil(o.TextPrimary.Get()) {
+	if o == nil || IsNil(o.TextPrimary) {
 		var ret string
 		return ret
 	}
-	return *o.TextPrimary.Get()
+	return *o.TextPrimary
 }
 
 // GetTextPrimaryOk returns a tuple with the TextPrimary field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CustomColorPalette) GetTextPrimaryOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.TextPrimary) {
 		return nil, false
 	}
-	return o.TextPrimary.Get(), o.TextPrimary.IsSet()
+	return o.TextPrimary, true
 }
 
 // HasTextPrimary returns a boolean if a field has been set.
 func (o *CustomColorPalette) HasTextPrimary() bool {
-	if o != nil && o.TextPrimary.IsSet() {
+	if o != nil && !IsNil(o.TextPrimary) {
 		return true
 	}
 
 	return false
 }
 
-// SetTextPrimary gets a reference to the given NullableString and assigns it to the TextPrimary field.
+// SetTextPrimary gets a reference to the given string and assigns it to the TextPrimary field.
 func (o *CustomColorPalette) SetTextPrimary(v string) {
-	o.TextPrimary.Set(&v)
-}
-// SetTextPrimaryNil sets the value for TextPrimary to be an explicit nil
-func (o *CustomColorPalette) SetTextPrimaryNil() {
-	o.TextPrimary.Set(nil)
-}
-
-// UnsetTextPrimary ensures that no value is present for TextPrimary, not even an explicit nil
-func (o *CustomColorPalette) UnsetTextPrimary() {
-	o.TextPrimary.Unset()
+	o.TextPrimary = &v
 }
 
 func (o CustomColorPalette) MarshalJSON() ([]byte, error) {
@@ -435,32 +345,32 @@ func (o CustomColorPalette) MarshalJSON() ([]byte, error) {
 
 func (o CustomColorPalette) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.BackgroundHover.IsSet() {
-		toSerialize["backgroundHover"] = o.BackgroundHover.Get()
+	if !IsNil(o.BackgroundHover) {
+		toSerialize["backgroundHover"] = o.BackgroundHover
 	}
-	if o.BackgroundPrimary.IsSet() {
-		toSerialize["backgroundPrimary"] = o.BackgroundPrimary.Get()
+	if !IsNil(o.BackgroundPrimary) {
+		toSerialize["backgroundPrimary"] = o.BackgroundPrimary
 	}
-	if o.BackgroundSecondary.IsSet() {
-		toSerialize["backgroundSecondary"] = o.BackgroundSecondary.Get()
+	if !IsNil(o.BackgroundSecondary) {
+		toSerialize["backgroundSecondary"] = o.BackgroundSecondary
 	}
-	if o.ButtonPrimary.IsSet() {
-		toSerialize["buttonPrimary"] = o.ButtonPrimary.Get()
+	if !IsNil(o.ButtonPrimary) {
+		toSerialize["buttonPrimary"] = o.ButtonPrimary
 	}
-	if o.InteractiveAccent.IsSet() {
-		toSerialize["interactiveAccent"] = o.InteractiveAccent.Get()
+	if !IsNil(o.InteractiveAccent) {
+		toSerialize["interactiveAccent"] = o.InteractiveAccent
 	}
-	if o.NavigationAccent.IsSet() {
-		toSerialize["navigationAccent"] = o.NavigationAccent.Get()
+	if !IsNil(o.NavigationAccent) {
+		toSerialize["navigationAccent"] = o.NavigationAccent
 	}
-	if o.Primary.IsSet() {
-		toSerialize["primary"] = o.Primary.Get()
+	if !IsNil(o.Primary) {
+		toSerialize["primary"] = o.Primary
 	}
-	if o.TextDanger.IsSet() {
-		toSerialize["textDanger"] = o.TextDanger.Get()
+	if !IsNil(o.TextDanger) {
+		toSerialize["textDanger"] = o.TextDanger
 	}
-	if o.TextPrimary.IsSet() {
-		toSerialize["textPrimary"] = o.TextPrimary.Get()
+	if !IsNil(o.TextPrimary) {
+		toSerialize["textPrimary"] = o.TextPrimary
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_custom_strings_override.go b/go/internal/openapi/model_custom_strings_override.go
index f7e2c738c..451acbc4b 100644
--- a/go/internal/openapi/model_custom_strings_override.go
+++ b/go/internal/openapi/model_custom_strings_override.go
@@ -19,9 +19,9 @@ var _ MappedNullable = &CustomStringsOverride{}
 
 // CustomStringsOverride struct for CustomStringsOverride
 type CustomStringsOverride struct {
-	ChannelsHelp NullableString `json:"channelsHelp,omitempty"`
-	ChannelsMany NullableString `json:"channelsMany,omitempty"`
-	ChannelsOne NullableString `json:"channelsOne,omitempty"`
+	ChannelsHelp *string `json:"channelsHelp,omitempty"`
+	ChannelsMany *string `json:"channelsMany,omitempty"`
+	ChannelsOne *string `json:"channelsOne,omitempty"`
 }
 
 // NewCustomStringsOverride instantiates a new CustomStringsOverride object
@@ -41,130 +41,100 @@ func NewCustomStringsOverrideWithDefaults() *CustomStringsOverride {
 	return &this
 }
 
-// GetChannelsHelp returns the ChannelsHelp field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannelsHelp returns the ChannelsHelp field value if set, zero value otherwise.
 func (o *CustomStringsOverride) GetChannelsHelp() string {
-	if o == nil || IsNil(o.ChannelsHelp.Get()) {
+	if o == nil || IsNil(o.ChannelsHelp) {
 		var ret string
 		return ret
 	}
-	return *o.ChannelsHelp.Get()
+	return *o.ChannelsHelp
 }
 
 // GetChannelsHelpOk returns a tuple with the ChannelsHelp field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CustomStringsOverride) GetChannelsHelpOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.ChannelsHelp) {
 		return nil, false
 	}
-	return o.ChannelsHelp.Get(), o.ChannelsHelp.IsSet()
+	return o.ChannelsHelp, true
 }
 
 // HasChannelsHelp returns a boolean if a field has been set.
 func (o *CustomStringsOverride) HasChannelsHelp() bool {
-	if o != nil && o.ChannelsHelp.IsSet() {
+	if o != nil && !IsNil(o.ChannelsHelp) {
 		return true
 	}
 
 	return false
 }
 
-// SetChannelsHelp gets a reference to the given NullableString and assigns it to the ChannelsHelp field.
+// SetChannelsHelp gets a reference to the given string and assigns it to the ChannelsHelp field.
 func (o *CustomStringsOverride) SetChannelsHelp(v string) {
-	o.ChannelsHelp.Set(&v)
-}
-// SetChannelsHelpNil sets the value for ChannelsHelp to be an explicit nil
-func (o *CustomStringsOverride) SetChannelsHelpNil() {
-	o.ChannelsHelp.Set(nil)
-}
-
-// UnsetChannelsHelp ensures that no value is present for ChannelsHelp, not even an explicit nil
-func (o *CustomStringsOverride) UnsetChannelsHelp() {
-	o.ChannelsHelp.Unset()
+	o.ChannelsHelp = &v
 }
 
-// GetChannelsMany returns the ChannelsMany field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannelsMany returns the ChannelsMany field value if set, zero value otherwise.
 func (o *CustomStringsOverride) GetChannelsMany() string {
-	if o == nil || IsNil(o.ChannelsMany.Get()) {
+	if o == nil || IsNil(o.ChannelsMany) {
 		var ret string
 		return ret
 	}
-	return *o.ChannelsMany.Get()
+	return *o.ChannelsMany
 }
 
 // GetChannelsManyOk returns a tuple with the ChannelsMany field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CustomStringsOverride) GetChannelsManyOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.ChannelsMany) {
 		return nil, false
 	}
-	return o.ChannelsMany.Get(), o.ChannelsMany.IsSet()
+	return o.ChannelsMany, true
 }
 
 // HasChannelsMany returns a boolean if a field has been set.
 func (o *CustomStringsOverride) HasChannelsMany() bool {
-	if o != nil && o.ChannelsMany.IsSet() {
+	if o != nil && !IsNil(o.ChannelsMany) {
 		return true
 	}
 
 	return false
 }
 
-// SetChannelsMany gets a reference to the given NullableString and assigns it to the ChannelsMany field.
+// SetChannelsMany gets a reference to the given string and assigns it to the ChannelsMany field.
 func (o *CustomStringsOverride) SetChannelsMany(v string) {
-	o.ChannelsMany.Set(&v)
-}
-// SetChannelsManyNil sets the value for ChannelsMany to be an explicit nil
-func (o *CustomStringsOverride) SetChannelsManyNil() {
-	o.ChannelsMany.Set(nil)
+	o.ChannelsMany = &v
 }
 
-// UnsetChannelsMany ensures that no value is present for ChannelsMany, not even an explicit nil
-func (o *CustomStringsOverride) UnsetChannelsMany() {
-	o.ChannelsMany.Unset()
-}
-
-// GetChannelsOne returns the ChannelsOne field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannelsOne returns the ChannelsOne field value if set, zero value otherwise.
 func (o *CustomStringsOverride) GetChannelsOne() string {
-	if o == nil || IsNil(o.ChannelsOne.Get()) {
+	if o == nil || IsNil(o.ChannelsOne) {
 		var ret string
 		return ret
 	}
-	return *o.ChannelsOne.Get()
+	return *o.ChannelsOne
 }
 
 // GetChannelsOneOk returns a tuple with the ChannelsOne field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *CustomStringsOverride) GetChannelsOneOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.ChannelsOne) {
 		return nil, false
 	}
-	return o.ChannelsOne.Get(), o.ChannelsOne.IsSet()
+	return o.ChannelsOne, true
 }
 
 // HasChannelsOne returns a boolean if a field has been set.
 func (o *CustomStringsOverride) HasChannelsOne() bool {
-	if o != nil && o.ChannelsOne.IsSet() {
+	if o != nil && !IsNil(o.ChannelsOne) {
 		return true
 	}
 
 	return false
 }
 
-// SetChannelsOne gets a reference to the given NullableString and assigns it to the ChannelsOne field.
+// SetChannelsOne gets a reference to the given string and assigns it to the ChannelsOne field.
 func (o *CustomStringsOverride) SetChannelsOne(v string) {
-	o.ChannelsOne.Set(&v)
-}
-// SetChannelsOneNil sets the value for ChannelsOne to be an explicit nil
-func (o *CustomStringsOverride) SetChannelsOneNil() {
-	o.ChannelsOne.Set(nil)
-}
-
-// UnsetChannelsOne ensures that no value is present for ChannelsOne, not even an explicit nil
-func (o *CustomStringsOverride) UnsetChannelsOne() {
-	o.ChannelsOne.Unset()
+	o.ChannelsOne = &v
 }
 
 func (o CustomStringsOverride) MarshalJSON() ([]byte, error) {
@@ -177,14 +147,14 @@ func (o CustomStringsOverride) MarshalJSON() ([]byte, error) {
 
 func (o CustomStringsOverride) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.ChannelsHelp.IsSet() {
-		toSerialize["channelsHelp"] = o.ChannelsHelp.Get()
+	if !IsNil(o.ChannelsHelp) {
+		toSerialize["channelsHelp"] = o.ChannelsHelp
 	}
-	if o.ChannelsMany.IsSet() {
-		toSerialize["channelsMany"] = o.ChannelsMany.Get()
+	if !IsNil(o.ChannelsMany) {
+		toSerialize["channelsMany"] = o.ChannelsMany
 	}
-	if o.ChannelsOne.IsSet() {
-		toSerialize["channelsOne"] = o.ChannelsOne.Get()
+	if !IsNil(o.ChannelsOne) {
+		toSerialize["channelsOne"] = o.ChannelsOne
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_endpoint_created_event_data.go b/go/internal/openapi/model_endpoint_created_event_data.go
index 33a905abe..1aa49c50d 100644
--- a/go/internal/openapi/model_endpoint_created_event_data.go
+++ b/go/internal/openapi/model_endpoint_created_event_data.go
@@ -24,11 +24,11 @@ type EndpointCreatedEventData struct {
 	// The app's ID
 	AppId string `json:"appId"`
 	// The app's UID
-	AppUid NullableString `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	AppUid *string `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The ep's ID
 	EndpointId string `json:"endpointId"`
 	// The ep's UID
-	EndpointUid NullableString `json:"endpointUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	EndpointUid *string `json:"endpointUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 }
 
 type _EndpointCreatedEventData EndpointCreatedEventData
@@ -76,46 +76,36 @@ func (o *EndpointCreatedEventData) SetAppId(v string) {
 	o.AppId = v
 }
 
-// GetAppUid returns the AppUid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetAppUid returns the AppUid field value if set, zero value otherwise.
 func (o *EndpointCreatedEventData) GetAppUid() string {
-	if o == nil || IsNil(o.AppUid.Get()) {
+	if o == nil || IsNil(o.AppUid) {
 		var ret string
 		return ret
 	}
-	return *o.AppUid.Get()
+	return *o.AppUid
 }
 
 // GetAppUidOk returns a tuple with the AppUid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointCreatedEventData) GetAppUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.AppUid) {
 		return nil, false
 	}
-	return o.AppUid.Get(), o.AppUid.IsSet()
+	return o.AppUid, true
 }
 
 // HasAppUid returns a boolean if a field has been set.
 func (o *EndpointCreatedEventData) HasAppUid() bool {
-	if o != nil && o.AppUid.IsSet() {
+	if o != nil && !IsNil(o.AppUid) {
 		return true
 	}
 
 	return false
 }
 
-// SetAppUid gets a reference to the given NullableString and assigns it to the AppUid field.
+// SetAppUid gets a reference to the given string and assigns it to the AppUid field.
 func (o *EndpointCreatedEventData) SetAppUid(v string) {
-	o.AppUid.Set(&v)
-}
-// SetAppUidNil sets the value for AppUid to be an explicit nil
-func (o *EndpointCreatedEventData) SetAppUidNil() {
-	o.AppUid.Set(nil)
-}
-
-// UnsetAppUid ensures that no value is present for AppUid, not even an explicit nil
-func (o *EndpointCreatedEventData) UnsetAppUid() {
-	o.AppUid.Unset()
+	o.AppUid = &v
 }
 
 // GetEndpointId returns the EndpointId field value
@@ -142,46 +132,36 @@ func (o *EndpointCreatedEventData) SetEndpointId(v string) {
 	o.EndpointId = v
 }
 
-// GetEndpointUid returns the EndpointUid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetEndpointUid returns the EndpointUid field value if set, zero value otherwise.
 func (o *EndpointCreatedEventData) GetEndpointUid() string {
-	if o == nil || IsNil(o.EndpointUid.Get()) {
+	if o == nil || IsNil(o.EndpointUid) {
 		var ret string
 		return ret
 	}
-	return *o.EndpointUid.Get()
+	return *o.EndpointUid
 }
 
 // GetEndpointUidOk returns a tuple with the EndpointUid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointCreatedEventData) GetEndpointUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.EndpointUid) {
 		return nil, false
 	}
-	return o.EndpointUid.Get(), o.EndpointUid.IsSet()
+	return o.EndpointUid, true
 }
 
 // HasEndpointUid returns a boolean if a field has been set.
 func (o *EndpointCreatedEventData) HasEndpointUid() bool {
-	if o != nil && o.EndpointUid.IsSet() {
+	if o != nil && !IsNil(o.EndpointUid) {
 		return true
 	}
 
 	return false
 }
 
-// SetEndpointUid gets a reference to the given NullableString and assigns it to the EndpointUid field.
+// SetEndpointUid gets a reference to the given string and assigns it to the EndpointUid field.
 func (o *EndpointCreatedEventData) SetEndpointUid(v string) {
-	o.EndpointUid.Set(&v)
-}
-// SetEndpointUidNil sets the value for EndpointUid to be an explicit nil
-func (o *EndpointCreatedEventData) SetEndpointUidNil() {
-	o.EndpointUid.Set(nil)
-}
-
-// UnsetEndpointUid ensures that no value is present for EndpointUid, not even an explicit nil
-func (o *EndpointCreatedEventData) UnsetEndpointUid() {
-	o.EndpointUid.Unset()
+	o.EndpointUid = &v
 }
 
 func (o EndpointCreatedEventData) MarshalJSON() ([]byte, error) {
@@ -195,12 +175,12 @@ func (o EndpointCreatedEventData) MarshalJSON() ([]byte, error) {
 func (o EndpointCreatedEventData) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["appId"] = o.AppId
-	if o.AppUid.IsSet() {
-		toSerialize["appUid"] = o.AppUid.Get()
+	if !IsNil(o.AppUid) {
+		toSerialize["appUid"] = o.AppUid
 	}
 	toSerialize["endpointId"] = o.EndpointId
-	if o.EndpointUid.IsSet() {
-		toSerialize["endpointUid"] = o.EndpointUid.Get()
+	if !IsNil(o.EndpointUid) {
+		toSerialize["endpointUid"] = o.EndpointUid
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_endpoint_deleted_event_data.go b/go/internal/openapi/model_endpoint_deleted_event_data.go
index d89af5aa5..ddef5b38f 100644
--- a/go/internal/openapi/model_endpoint_deleted_event_data.go
+++ b/go/internal/openapi/model_endpoint_deleted_event_data.go
@@ -24,11 +24,11 @@ type EndpointDeletedEventData struct {
 	// The app's ID
 	AppId string `json:"appId"`
 	// The app's UID
-	AppUid NullableString `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	AppUid *string `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The ep's ID
 	EndpointId string `json:"endpointId"`
 	// The ep's UID
-	EndpointUid NullableString `json:"endpointUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	EndpointUid *string `json:"endpointUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 }
 
 type _EndpointDeletedEventData EndpointDeletedEventData
@@ -76,46 +76,36 @@ func (o *EndpointDeletedEventData) SetAppId(v string) {
 	o.AppId = v
 }
 
-// GetAppUid returns the AppUid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetAppUid returns the AppUid field value if set, zero value otherwise.
 func (o *EndpointDeletedEventData) GetAppUid() string {
-	if o == nil || IsNil(o.AppUid.Get()) {
+	if o == nil || IsNil(o.AppUid) {
 		var ret string
 		return ret
 	}
-	return *o.AppUid.Get()
+	return *o.AppUid
 }
 
 // GetAppUidOk returns a tuple with the AppUid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointDeletedEventData) GetAppUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.AppUid) {
 		return nil, false
 	}
-	return o.AppUid.Get(), o.AppUid.IsSet()
+	return o.AppUid, true
 }
 
 // HasAppUid returns a boolean if a field has been set.
 func (o *EndpointDeletedEventData) HasAppUid() bool {
-	if o != nil && o.AppUid.IsSet() {
+	if o != nil && !IsNil(o.AppUid) {
 		return true
 	}
 
 	return false
 }
 
-// SetAppUid gets a reference to the given NullableString and assigns it to the AppUid field.
+// SetAppUid gets a reference to the given string and assigns it to the AppUid field.
 func (o *EndpointDeletedEventData) SetAppUid(v string) {
-	o.AppUid.Set(&v)
-}
-// SetAppUidNil sets the value for AppUid to be an explicit nil
-func (o *EndpointDeletedEventData) SetAppUidNil() {
-	o.AppUid.Set(nil)
-}
-
-// UnsetAppUid ensures that no value is present for AppUid, not even an explicit nil
-func (o *EndpointDeletedEventData) UnsetAppUid() {
-	o.AppUid.Unset()
+	o.AppUid = &v
 }
 
 // GetEndpointId returns the EndpointId field value
@@ -142,46 +132,36 @@ func (o *EndpointDeletedEventData) SetEndpointId(v string) {
 	o.EndpointId = v
 }
 
-// GetEndpointUid returns the EndpointUid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetEndpointUid returns the EndpointUid field value if set, zero value otherwise.
 func (o *EndpointDeletedEventData) GetEndpointUid() string {
-	if o == nil || IsNil(o.EndpointUid.Get()) {
+	if o == nil || IsNil(o.EndpointUid) {
 		var ret string
 		return ret
 	}
-	return *o.EndpointUid.Get()
+	return *o.EndpointUid
 }
 
 // GetEndpointUidOk returns a tuple with the EndpointUid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointDeletedEventData) GetEndpointUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.EndpointUid) {
 		return nil, false
 	}
-	return o.EndpointUid.Get(), o.EndpointUid.IsSet()
+	return o.EndpointUid, true
 }
 
 // HasEndpointUid returns a boolean if a field has been set.
 func (o *EndpointDeletedEventData) HasEndpointUid() bool {
-	if o != nil && o.EndpointUid.IsSet() {
+	if o != nil && !IsNil(o.EndpointUid) {
 		return true
 	}
 
 	return false
 }
 
-// SetEndpointUid gets a reference to the given NullableString and assigns it to the EndpointUid field.
+// SetEndpointUid gets a reference to the given string and assigns it to the EndpointUid field.
 func (o *EndpointDeletedEventData) SetEndpointUid(v string) {
-	o.EndpointUid.Set(&v)
-}
-// SetEndpointUidNil sets the value for EndpointUid to be an explicit nil
-func (o *EndpointDeletedEventData) SetEndpointUidNil() {
-	o.EndpointUid.Set(nil)
-}
-
-// UnsetEndpointUid ensures that no value is present for EndpointUid, not even an explicit nil
-func (o *EndpointDeletedEventData) UnsetEndpointUid() {
-	o.EndpointUid.Unset()
+	o.EndpointUid = &v
 }
 
 func (o EndpointDeletedEventData) MarshalJSON() ([]byte, error) {
@@ -195,12 +175,12 @@ func (o EndpointDeletedEventData) MarshalJSON() ([]byte, error) {
 func (o EndpointDeletedEventData) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["appId"] = o.AppId
-	if o.AppUid.IsSet() {
-		toSerialize["appUid"] = o.AppUid.Get()
+	if !IsNil(o.AppUid) {
+		toSerialize["appUid"] = o.AppUid
 	}
 	toSerialize["endpointId"] = o.EndpointId
-	if o.EndpointUid.IsSet() {
-		toSerialize["endpointUid"] = o.EndpointUid.Get()
+	if !IsNil(o.EndpointUid) {
+		toSerialize["endpointUid"] = o.EndpointUid
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_endpoint_disabled_event_data.go b/go/internal/openapi/model_endpoint_disabled_event_data.go
index d89cd8e35..11ca1d9d5 100644
--- a/go/internal/openapi/model_endpoint_disabled_event_data.go
+++ b/go/internal/openapi/model_endpoint_disabled_event_data.go
@@ -25,11 +25,11 @@ type EndpointDisabledEventData struct {
 	// The app's ID
 	AppId string `json:"appId"`
 	// The app's UID
-	AppUid NullableString `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	AppUid *string `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The ep's ID
 	EndpointId string `json:"endpointId"`
 	// The ep's UID
-	EndpointUid NullableString `json:"endpointUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	EndpointUid *string `json:"endpointUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	FailSince time.Time `json:"failSince"`
 }
 
@@ -79,46 +79,36 @@ func (o *EndpointDisabledEventData) SetAppId(v string) {
 	o.AppId = v
 }
 
-// GetAppUid returns the AppUid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetAppUid returns the AppUid field value if set, zero value otherwise.
 func (o *EndpointDisabledEventData) GetAppUid() string {
-	if o == nil || IsNil(o.AppUid.Get()) {
+	if o == nil || IsNil(o.AppUid) {
 		var ret string
 		return ret
 	}
-	return *o.AppUid.Get()
+	return *o.AppUid
 }
 
 // GetAppUidOk returns a tuple with the AppUid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointDisabledEventData) GetAppUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.AppUid) {
 		return nil, false
 	}
-	return o.AppUid.Get(), o.AppUid.IsSet()
+	return o.AppUid, true
 }
 
 // HasAppUid returns a boolean if a field has been set.
 func (o *EndpointDisabledEventData) HasAppUid() bool {
-	if o != nil && o.AppUid.IsSet() {
+	if o != nil && !IsNil(o.AppUid) {
 		return true
 	}
 
 	return false
 }
 
-// SetAppUid gets a reference to the given NullableString and assigns it to the AppUid field.
+// SetAppUid gets a reference to the given string and assigns it to the AppUid field.
 func (o *EndpointDisabledEventData) SetAppUid(v string) {
-	o.AppUid.Set(&v)
-}
-// SetAppUidNil sets the value for AppUid to be an explicit nil
-func (o *EndpointDisabledEventData) SetAppUidNil() {
-	o.AppUid.Set(nil)
-}
-
-// UnsetAppUid ensures that no value is present for AppUid, not even an explicit nil
-func (o *EndpointDisabledEventData) UnsetAppUid() {
-	o.AppUid.Unset()
+	o.AppUid = &v
 }
 
 // GetEndpointId returns the EndpointId field value
@@ -145,46 +135,36 @@ func (o *EndpointDisabledEventData) SetEndpointId(v string) {
 	o.EndpointId = v
 }
 
-// GetEndpointUid returns the EndpointUid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetEndpointUid returns the EndpointUid field value if set, zero value otherwise.
 func (o *EndpointDisabledEventData) GetEndpointUid() string {
-	if o == nil || IsNil(o.EndpointUid.Get()) {
+	if o == nil || IsNil(o.EndpointUid) {
 		var ret string
 		return ret
 	}
-	return *o.EndpointUid.Get()
+	return *o.EndpointUid
 }
 
 // GetEndpointUidOk returns a tuple with the EndpointUid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointDisabledEventData) GetEndpointUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.EndpointUid) {
 		return nil, false
 	}
-	return o.EndpointUid.Get(), o.EndpointUid.IsSet()
+	return o.EndpointUid, true
 }
 
 // HasEndpointUid returns a boolean if a field has been set.
 func (o *EndpointDisabledEventData) HasEndpointUid() bool {
-	if o != nil && o.EndpointUid.IsSet() {
+	if o != nil && !IsNil(o.EndpointUid) {
 		return true
 	}
 
 	return false
 }
 
-// SetEndpointUid gets a reference to the given NullableString and assigns it to the EndpointUid field.
+// SetEndpointUid gets a reference to the given string and assigns it to the EndpointUid field.
 func (o *EndpointDisabledEventData) SetEndpointUid(v string) {
-	o.EndpointUid.Set(&v)
-}
-// SetEndpointUidNil sets the value for EndpointUid to be an explicit nil
-func (o *EndpointDisabledEventData) SetEndpointUidNil() {
-	o.EndpointUid.Set(nil)
-}
-
-// UnsetEndpointUid ensures that no value is present for EndpointUid, not even an explicit nil
-func (o *EndpointDisabledEventData) UnsetEndpointUid() {
-	o.EndpointUid.Unset()
+	o.EndpointUid = &v
 }
 
 // GetFailSince returns the FailSince field value
@@ -222,12 +202,12 @@ func (o EndpointDisabledEventData) MarshalJSON() ([]byte, error) {
 func (o EndpointDisabledEventData) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["appId"] = o.AppId
-	if o.AppUid.IsSet() {
-		toSerialize["appUid"] = o.AppUid.Get()
+	if !IsNil(o.AppUid) {
+		toSerialize["appUid"] = o.AppUid
 	}
 	toSerialize["endpointId"] = o.EndpointId
-	if o.EndpointUid.IsSet() {
-		toSerialize["endpointUid"] = o.EndpointUid.Get()
+	if !IsNil(o.EndpointUid) {
+		toSerialize["endpointUid"] = o.EndpointUid
 	}
 	toSerialize["failSince"] = o.FailSince
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_endpoint_in.go b/go/internal/openapi/model_endpoint_in.go
index 6b67cfd26..51ccca752 100644
--- a/go/internal/openapi/model_endpoint_in.go
+++ b/go/internal/openapi/model_endpoint_in.go
@@ -27,14 +27,14 @@ type EndpointIn struct {
 	Disabled *bool `json:"disabled,omitempty"`
 	FilterTypes []string `json:"filterTypes,omitempty"`
 	Metadata *map[string]string `json:"metadata,omitempty"`
-	RateLimit NullableInt32 `json:"rateLimit,omitempty"`
+	RateLimit *int32 `json:"rateLimit,omitempty"`
 	// The endpoint's verification secret. If `null` is passed, a secret is automatically generated. Format: `base64` encoded random bytes optionally prefixed with `whsec_`. Recommended size: 24.
-	Secret NullableString `json:"secret,omitempty" validate:"regexp=^(whsec_)?[a-zA-Z0-9+\\/=]{32,100}$"`
+	Secret *string `json:"secret,omitempty" validate:"regexp=^(whsec_)?[a-zA-Z0-9+\\/=]{32,100}$"`
 	// Optional unique identifier for the endpoint
-	Uid NullableString `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	Uid *string `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	Url string `json:"url"`
 	// Deprecated
-	Version NullableInt32 `json:"version,omitempty"`
+	Version *int32 `json:"version,omitempty"`
 }
 
 type _EndpointIn EndpointIn
@@ -51,7 +51,7 @@ func NewEndpointIn(url string) *EndpointIn {
 	this.Disabled = &disabled
 	this.Url = url
 	var version int32 = 1
-	this.Version = *NewNullableInt32(&version)
+	this.Version = &version
 	return &this
 }
 
@@ -65,13 +65,13 @@ func NewEndpointInWithDefaults() *EndpointIn {
 	var disabled bool = false
 	this.Disabled = &disabled
 	var version int32 = 1
-	this.Version = *NewNullableInt32(&version)
+	this.Version = &version
 	return &this
 }
 
-// GetChannels returns the Channels field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannels returns the Channels field value if set, zero value otherwise.
 func (o *EndpointIn) GetChannels() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Channels) {
 		var ret []string
 		return ret
 	}
@@ -80,7 +80,6 @@ func (o *EndpointIn) GetChannels() []string {
 
 // GetChannelsOk returns a tuple with the Channels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointIn) GetChannelsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Channels) {
 		return nil, false
@@ -166,9 +165,9 @@ func (o *EndpointIn) SetDisabled(v bool) {
 	o.Disabled = &v
 }
 
-// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise.
 func (o *EndpointIn) GetFilterTypes() []string {
-	if o == nil {
+	if o == nil || IsNil(o.FilterTypes) {
 		var ret []string
 		return ret
 	}
@@ -177,7 +176,6 @@ func (o *EndpointIn) GetFilterTypes() []string {
 
 // GetFilterTypesOk returns a tuple with the FilterTypes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointIn) GetFilterTypesOk() ([]string, bool) {
 	if o == nil || IsNil(o.FilterTypes) {
 		return nil, false
@@ -231,130 +229,100 @@ func (o *EndpointIn) SetMetadata(v map[string]string) {
 	o.Metadata = &v
 }
 
-// GetRateLimit returns the RateLimit field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetRateLimit returns the RateLimit field value if set, zero value otherwise.
 func (o *EndpointIn) GetRateLimit() int32 {
-	if o == nil || IsNil(o.RateLimit.Get()) {
+	if o == nil || IsNil(o.RateLimit) {
 		var ret int32
 		return ret
 	}
-	return *o.RateLimit.Get()
+	return *o.RateLimit
 }
 
 // GetRateLimitOk returns a tuple with the RateLimit field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointIn) GetRateLimitOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.RateLimit) {
 		return nil, false
 	}
-	return o.RateLimit.Get(), o.RateLimit.IsSet()
+	return o.RateLimit, true
 }
 
 // HasRateLimit returns a boolean if a field has been set.
 func (o *EndpointIn) HasRateLimit() bool {
-	if o != nil && o.RateLimit.IsSet() {
+	if o != nil && !IsNil(o.RateLimit) {
 		return true
 	}
 
 	return false
 }
 
-// SetRateLimit gets a reference to the given NullableInt32 and assigns it to the RateLimit field.
+// SetRateLimit gets a reference to the given int32 and assigns it to the RateLimit field.
 func (o *EndpointIn) SetRateLimit(v int32) {
-	o.RateLimit.Set(&v)
-}
-// SetRateLimitNil sets the value for RateLimit to be an explicit nil
-func (o *EndpointIn) SetRateLimitNil() {
-	o.RateLimit.Set(nil)
-}
-
-// UnsetRateLimit ensures that no value is present for RateLimit, not even an explicit nil
-func (o *EndpointIn) UnsetRateLimit() {
-	o.RateLimit.Unset()
+	o.RateLimit = &v
 }
 
-// GetSecret returns the Secret field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetSecret returns the Secret field value if set, zero value otherwise.
 func (o *EndpointIn) GetSecret() string {
-	if o == nil || IsNil(o.Secret.Get()) {
+	if o == nil || IsNil(o.Secret) {
 		var ret string
 		return ret
 	}
-	return *o.Secret.Get()
+	return *o.Secret
 }
 
 // GetSecretOk returns a tuple with the Secret field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointIn) GetSecretOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Secret) {
 		return nil, false
 	}
-	return o.Secret.Get(), o.Secret.IsSet()
+	return o.Secret, true
 }
 
 // HasSecret returns a boolean if a field has been set.
 func (o *EndpointIn) HasSecret() bool {
-	if o != nil && o.Secret.IsSet() {
+	if o != nil && !IsNil(o.Secret) {
 		return true
 	}
 
 	return false
 }
 
-// SetSecret gets a reference to the given NullableString and assigns it to the Secret field.
+// SetSecret gets a reference to the given string and assigns it to the Secret field.
 func (o *EndpointIn) SetSecret(v string) {
-	o.Secret.Set(&v)
-}
-// SetSecretNil sets the value for Secret to be an explicit nil
-func (o *EndpointIn) SetSecretNil() {
-	o.Secret.Set(nil)
+	o.Secret = &v
 }
 
-// UnsetSecret ensures that no value is present for Secret, not even an explicit nil
-func (o *EndpointIn) UnsetSecret() {
-	o.Secret.Unset()
-}
-
-// GetUid returns the Uid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetUid returns the Uid field value if set, zero value otherwise.
 func (o *EndpointIn) GetUid() string {
-	if o == nil || IsNil(o.Uid.Get()) {
+	if o == nil || IsNil(o.Uid) {
 		var ret string
 		return ret
 	}
-	return *o.Uid.Get()
+	return *o.Uid
 }
 
 // GetUidOk returns a tuple with the Uid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointIn) GetUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Uid) {
 		return nil, false
 	}
-	return o.Uid.Get(), o.Uid.IsSet()
+	return o.Uid, true
 }
 
 // HasUid returns a boolean if a field has been set.
 func (o *EndpointIn) HasUid() bool {
-	if o != nil && o.Uid.IsSet() {
+	if o != nil && !IsNil(o.Uid) {
 		return true
 	}
 
 	return false
 }
 
-// SetUid gets a reference to the given NullableString and assigns it to the Uid field.
+// SetUid gets a reference to the given string and assigns it to the Uid field.
 func (o *EndpointIn) SetUid(v string) {
-	o.Uid.Set(&v)
-}
-// SetUidNil sets the value for Uid to be an explicit nil
-func (o *EndpointIn) SetUidNil() {
-	o.Uid.Set(nil)
-}
-
-// UnsetUid ensures that no value is present for Uid, not even an explicit nil
-func (o *EndpointIn) UnsetUid() {
-	o.Uid.Unset()
+	o.Uid = &v
 }
 
 // GetUrl returns the Url field value
@@ -381,49 +349,39 @@ func (o *EndpointIn) SetUrl(v string) {
 	o.Url = v
 }
 
-// GetVersion returns the Version field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetVersion returns the Version field value if set, zero value otherwise.
 // Deprecated
 func (o *EndpointIn) GetVersion() int32 {
-	if o == nil || IsNil(o.Version.Get()) {
+	if o == nil || IsNil(o.Version) {
 		var ret int32
 		return ret
 	}
-	return *o.Version.Get()
+	return *o.Version
 }
 
 // GetVersionOk returns a tuple with the Version field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 // Deprecated
 func (o *EndpointIn) GetVersionOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Version) {
 		return nil, false
 	}
-	return o.Version.Get(), o.Version.IsSet()
+	return o.Version, true
 }
 
 // HasVersion returns a boolean if a field has been set.
 func (o *EndpointIn) HasVersion() bool {
-	if o != nil && o.Version.IsSet() {
+	if o != nil && !IsNil(o.Version) {
 		return true
 	}
 
 	return false
 }
 
-// SetVersion gets a reference to the given NullableInt32 and assigns it to the Version field.
+// SetVersion gets a reference to the given int32 and assigns it to the Version field.
 // Deprecated
 func (o *EndpointIn) SetVersion(v int32) {
-	o.Version.Set(&v)
-}
-// SetVersionNil sets the value for Version to be an explicit nil
-func (o *EndpointIn) SetVersionNil() {
-	o.Version.Set(nil)
-}
-
-// UnsetVersion ensures that no value is present for Version, not even an explicit nil
-func (o *EndpointIn) UnsetVersion() {
-	o.Version.Unset()
+	o.Version = &v
 }
 
 func (o EndpointIn) MarshalJSON() ([]byte, error) {
@@ -436,7 +394,7 @@ func (o EndpointIn) MarshalJSON() ([]byte, error) {
 
 func (o EndpointIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Channels != nil {
+	if !IsNil(o.Channels) {
 		toSerialize["channels"] = o.Channels
 	}
 	if !IsNil(o.Description) {
@@ -445,24 +403,24 @@ func (o EndpointIn) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Disabled) {
 		toSerialize["disabled"] = o.Disabled
 	}
-	if o.FilterTypes != nil {
+	if !IsNil(o.FilterTypes) {
 		toSerialize["filterTypes"] = o.FilterTypes
 	}
 	if !IsNil(o.Metadata) {
 		toSerialize["metadata"] = o.Metadata
 	}
-	if o.RateLimit.IsSet() {
-		toSerialize["rateLimit"] = o.RateLimit.Get()
+	if !IsNil(o.RateLimit) {
+		toSerialize["rateLimit"] = o.RateLimit
 	}
-	if o.Secret.IsSet() {
-		toSerialize["secret"] = o.Secret.Get()
+	if !IsNil(o.Secret) {
+		toSerialize["secret"] = o.Secret
 	}
-	if o.Uid.IsSet() {
-		toSerialize["uid"] = o.Uid.Get()
+	if !IsNil(o.Uid) {
+		toSerialize["uid"] = o.Uid
 	}
 	toSerialize["url"] = o.Url
-	if o.Version.IsSet() {
-		toSerialize["version"] = o.Version.Get()
+	if !IsNil(o.Version) {
+		toSerialize["version"] = o.Version
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_endpoint_message_out.go b/go/internal/openapi/model_endpoint_message_out.go
index df388e3ed..ad1bf0d96 100644
--- a/go/internal/openapi/model_endpoint_message_out.go
+++ b/go/internal/openapi/model_endpoint_message_out.go
@@ -25,12 +25,12 @@ type EndpointMessageOut struct {
 	// List of free-form identifiers that endpoints can filter by
 	Channels []string `json:"channels,omitempty"`
 	// Optional unique identifier for the message
-	EventId NullableString `json:"eventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	EventId *string `json:"eventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The event type's name
 	EventType string `json:"eventType" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The msg's ID
 	Id string `json:"id"`
-	NextAttempt NullableTime `json:"nextAttempt,omitempty"`
+	NextAttempt *time.Time `json:"nextAttempt,omitempty"`
 	Payload map[string]interface{} `json:"payload"`
 	Status MessageStatus `json:"status"`
 	Tags []string `json:"tags,omitempty"`
@@ -61,9 +61,9 @@ func NewEndpointMessageOutWithDefaults() *EndpointMessageOut {
 	return &this
 }
 
-// GetChannels returns the Channels field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannels returns the Channels field value if set, zero value otherwise.
 func (o *EndpointMessageOut) GetChannels() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Channels) {
 		var ret []string
 		return ret
 	}
@@ -72,7 +72,6 @@ func (o *EndpointMessageOut) GetChannels() []string {
 
 // GetChannelsOk returns a tuple with the Channels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointMessageOut) GetChannelsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Channels) {
 		return nil, false
@@ -94,46 +93,36 @@ func (o *EndpointMessageOut) SetChannels(v []string) {
 	o.Channels = v
 }
 
-// GetEventId returns the EventId field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetEventId returns the EventId field value if set, zero value otherwise.
 func (o *EndpointMessageOut) GetEventId() string {
-	if o == nil || IsNil(o.EventId.Get()) {
+	if o == nil || IsNil(o.EventId) {
 		var ret string
 		return ret
 	}
-	return *o.EventId.Get()
+	return *o.EventId
 }
 
 // GetEventIdOk returns a tuple with the EventId field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointMessageOut) GetEventIdOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.EventId) {
 		return nil, false
 	}
-	return o.EventId.Get(), o.EventId.IsSet()
+	return o.EventId, true
 }
 
 // HasEventId returns a boolean if a field has been set.
 func (o *EndpointMessageOut) HasEventId() bool {
-	if o != nil && o.EventId.IsSet() {
+	if o != nil && !IsNil(o.EventId) {
 		return true
 	}
 
 	return false
 }
 
-// SetEventId gets a reference to the given NullableString and assigns it to the EventId field.
+// SetEventId gets a reference to the given string and assigns it to the EventId field.
 func (o *EndpointMessageOut) SetEventId(v string) {
-	o.EventId.Set(&v)
-}
-// SetEventIdNil sets the value for EventId to be an explicit nil
-func (o *EndpointMessageOut) SetEventIdNil() {
-	o.EventId.Set(nil)
-}
-
-// UnsetEventId ensures that no value is present for EventId, not even an explicit nil
-func (o *EndpointMessageOut) UnsetEventId() {
-	o.EventId.Unset()
+	o.EventId = &v
 }
 
 // GetEventType returns the EventType field value
@@ -184,46 +173,36 @@ func (o *EndpointMessageOut) SetId(v string) {
 	o.Id = v
 }
 
-// GetNextAttempt returns the NextAttempt field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetNextAttempt returns the NextAttempt field value if set, zero value otherwise.
 func (o *EndpointMessageOut) GetNextAttempt() time.Time {
-	if o == nil || IsNil(o.NextAttempt.Get()) {
+	if o == nil || IsNil(o.NextAttempt) {
 		var ret time.Time
 		return ret
 	}
-	return *o.NextAttempt.Get()
+	return *o.NextAttempt
 }
 
 // GetNextAttemptOk returns a tuple with the NextAttempt field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointMessageOut) GetNextAttemptOk() (*time.Time, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.NextAttempt) {
 		return nil, false
 	}
-	return o.NextAttempt.Get(), o.NextAttempt.IsSet()
+	return o.NextAttempt, true
 }
 
 // HasNextAttempt returns a boolean if a field has been set.
 func (o *EndpointMessageOut) HasNextAttempt() bool {
-	if o != nil && o.NextAttempt.IsSet() {
+	if o != nil && !IsNil(o.NextAttempt) {
 		return true
 	}
 
 	return false
 }
 
-// SetNextAttempt gets a reference to the given NullableTime and assigns it to the NextAttempt field.
+// SetNextAttempt gets a reference to the given time.Time and assigns it to the NextAttempt field.
 func (o *EndpointMessageOut) SetNextAttempt(v time.Time) {
-	o.NextAttempt.Set(&v)
-}
-// SetNextAttemptNil sets the value for NextAttempt to be an explicit nil
-func (o *EndpointMessageOut) SetNextAttemptNil() {
-	o.NextAttempt.Set(nil)
-}
-
-// UnsetNextAttempt ensures that no value is present for NextAttempt, not even an explicit nil
-func (o *EndpointMessageOut) UnsetNextAttempt() {
-	o.NextAttempt.Unset()
+	o.NextAttempt = &v
 }
 
 // GetPayload returns the Payload field value
@@ -274,9 +253,9 @@ func (o *EndpointMessageOut) SetStatus(v MessageStatus) {
 	o.Status = v
 }
 
-// GetTags returns the Tags field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetTags returns the Tags field value if set, zero value otherwise.
 func (o *EndpointMessageOut) GetTags() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Tags) {
 		var ret []string
 		return ret
 	}
@@ -285,7 +264,6 @@ func (o *EndpointMessageOut) GetTags() []string {
 
 // GetTagsOk returns a tuple with the Tags field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointMessageOut) GetTagsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Tags) {
 		return nil, false
@@ -341,20 +319,20 @@ func (o EndpointMessageOut) MarshalJSON() ([]byte, error) {
 
 func (o EndpointMessageOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Channels != nil {
+	if !IsNil(o.Channels) {
 		toSerialize["channels"] = o.Channels
 	}
-	if o.EventId.IsSet() {
-		toSerialize["eventId"] = o.EventId.Get()
+	if !IsNil(o.EventId) {
+		toSerialize["eventId"] = o.EventId
 	}
 	toSerialize["eventType"] = o.EventType
 	toSerialize["id"] = o.Id
-	if o.NextAttempt.IsSet() {
-		toSerialize["nextAttempt"] = o.NextAttempt.Get()
+	if !IsNil(o.NextAttempt) {
+		toSerialize["nextAttempt"] = o.NextAttempt
 	}
 	toSerialize["payload"] = o.Payload
 	toSerialize["status"] = o.Status
-	if o.Tags != nil {
+	if !IsNil(o.Tags) {
 		toSerialize["tags"] = o.Tags
 	}
 	toSerialize["timestamp"] = o.Timestamp
diff --git a/go/internal/openapi/model_endpoint_mtls_config_in.go b/go/internal/openapi/model_endpoint_mtls_config_in.go
index a0194ba01..2b2b33451 100644
--- a/go/internal/openapi/model_endpoint_mtls_config_in.go
+++ b/go/internal/openapi/model_endpoint_mtls_config_in.go
@@ -24,7 +24,7 @@ type EndpointMtlsConfigIn struct {
 	// A PEM encoded private key and X509 certificate to identify the webhook sender.
 	Identity string `json:"identity"`
 	// A PEM encoded X509 certificate used to verify the webhook receiver's certificate.
-	ServerCaCert NullableString `json:"serverCaCert,omitempty"`
+	ServerCaCert *string `json:"serverCaCert,omitempty"`
 }
 
 type _EndpointMtlsConfigIn EndpointMtlsConfigIn
@@ -71,46 +71,36 @@ func (o *EndpointMtlsConfigIn) SetIdentity(v string) {
 	o.Identity = v
 }
 
-// GetServerCaCert returns the ServerCaCert field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetServerCaCert returns the ServerCaCert field value if set, zero value otherwise.
 func (o *EndpointMtlsConfigIn) GetServerCaCert() string {
-	if o == nil || IsNil(o.ServerCaCert.Get()) {
+	if o == nil || IsNil(o.ServerCaCert) {
 		var ret string
 		return ret
 	}
-	return *o.ServerCaCert.Get()
+	return *o.ServerCaCert
 }
 
 // GetServerCaCertOk returns a tuple with the ServerCaCert field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointMtlsConfigIn) GetServerCaCertOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.ServerCaCert) {
 		return nil, false
 	}
-	return o.ServerCaCert.Get(), o.ServerCaCert.IsSet()
+	return o.ServerCaCert, true
 }
 
 // HasServerCaCert returns a boolean if a field has been set.
 func (o *EndpointMtlsConfigIn) HasServerCaCert() bool {
-	if o != nil && o.ServerCaCert.IsSet() {
+	if o != nil && !IsNil(o.ServerCaCert) {
 		return true
 	}
 
 	return false
 }
 
-// SetServerCaCert gets a reference to the given NullableString and assigns it to the ServerCaCert field.
+// SetServerCaCert gets a reference to the given string and assigns it to the ServerCaCert field.
 func (o *EndpointMtlsConfigIn) SetServerCaCert(v string) {
-	o.ServerCaCert.Set(&v)
-}
-// SetServerCaCertNil sets the value for ServerCaCert to be an explicit nil
-func (o *EndpointMtlsConfigIn) SetServerCaCertNil() {
-	o.ServerCaCert.Set(nil)
-}
-
-// UnsetServerCaCert ensures that no value is present for ServerCaCert, not even an explicit nil
-func (o *EndpointMtlsConfigIn) UnsetServerCaCert() {
-	o.ServerCaCert.Unset()
+	o.ServerCaCert = &v
 }
 
 func (o EndpointMtlsConfigIn) MarshalJSON() ([]byte, error) {
@@ -124,8 +114,8 @@ func (o EndpointMtlsConfigIn) MarshalJSON() ([]byte, error) {
 func (o EndpointMtlsConfigIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["identity"] = o.Identity
-	if o.ServerCaCert.IsSet() {
-		toSerialize["serverCaCert"] = o.ServerCaCert.Get()
+	if !IsNil(o.ServerCaCert) {
+		toSerialize["serverCaCert"] = o.ServerCaCert
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_endpoint_oauth_config_in.go b/go/internal/openapi/model_endpoint_oauth_config_in.go
index 7037d6732..60b27a036 100644
--- a/go/internal/openapi/model_endpoint_oauth_config_in.go
+++ b/go/internal/openapi/model_endpoint_oauth_config_in.go
@@ -25,13 +25,13 @@ type EndpointOauthConfigIn struct {
 	// The client ID. Required for all authentication types.
 	ClientId string `json:"clientId"`
 	// Optional client secret. This is only used for `clientSecretBasic` and `clientSecretPost`.  For `clientSecretBasic`, the secret will be appended to the `Authorization` header. For `clientSecretPost`, this will be added to the body in a `client_secret` parameter.
-	ClientSecret NullableString `json:"clientSecret,omitempty"`
+	ClientSecret *string `json:"clientSecret,omitempty"`
 	// Extra parameters added to the request body as key-value pairs.
-	ExtraParams map[string]string `json:"extraParams,omitempty"`
+	ExtraParams *map[string]string `json:"extraParams,omitempty"`
 	GrantType Oauth2GrantTypeIn `json:"grantType"`
 	JwtParams *ClientSecretJwtParamsIn `json:"jwtParams,omitempty"`
 	// For `refreshToken` grant type
-	RefreshToken NullableString `json:"refreshToken,omitempty"`
+	RefreshToken *string `json:"refreshToken,omitempty"`
 	// Optional OAuth scopes added to the request body.
 	Scopes []string `json:"scopes,omitempty"`
 	// The URL of the authorization server.
@@ -109,65 +109,54 @@ func (o *EndpointOauthConfigIn) SetClientId(v string) {
 	o.ClientId = v
 }
 
-// GetClientSecret returns the ClientSecret field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetClientSecret returns the ClientSecret field value if set, zero value otherwise.
 func (o *EndpointOauthConfigIn) GetClientSecret() string {
-	if o == nil || IsNil(o.ClientSecret.Get()) {
+	if o == nil || IsNil(o.ClientSecret) {
 		var ret string
 		return ret
 	}
-	return *o.ClientSecret.Get()
+	return *o.ClientSecret
 }
 
 // GetClientSecretOk returns a tuple with the ClientSecret field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointOauthConfigIn) GetClientSecretOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.ClientSecret) {
 		return nil, false
 	}
-	return o.ClientSecret.Get(), o.ClientSecret.IsSet()
+	return o.ClientSecret, true
 }
 
 // HasClientSecret returns a boolean if a field has been set.
 func (o *EndpointOauthConfigIn) HasClientSecret() bool {
-	if o != nil && o.ClientSecret.IsSet() {
+	if o != nil && !IsNil(o.ClientSecret) {
 		return true
 	}
 
 	return false
 }
 
-// SetClientSecret gets a reference to the given NullableString and assigns it to the ClientSecret field.
+// SetClientSecret gets a reference to the given string and assigns it to the ClientSecret field.
 func (o *EndpointOauthConfigIn) SetClientSecret(v string) {
-	o.ClientSecret.Set(&v)
-}
-// SetClientSecretNil sets the value for ClientSecret to be an explicit nil
-func (o *EndpointOauthConfigIn) SetClientSecretNil() {
-	o.ClientSecret.Set(nil)
-}
-
-// UnsetClientSecret ensures that no value is present for ClientSecret, not even an explicit nil
-func (o *EndpointOauthConfigIn) UnsetClientSecret() {
-	o.ClientSecret.Unset()
+	o.ClientSecret = &v
 }
 
-// GetExtraParams returns the ExtraParams field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetExtraParams returns the ExtraParams field value if set, zero value otherwise.
 func (o *EndpointOauthConfigIn) GetExtraParams() map[string]string {
-	if o == nil {
+	if o == nil || IsNil(o.ExtraParams) {
 		var ret map[string]string
 		return ret
 	}
-	return o.ExtraParams
+	return *o.ExtraParams
 }
 
 // GetExtraParamsOk returns a tuple with the ExtraParams field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointOauthConfigIn) GetExtraParamsOk() (*map[string]string, bool) {
 	if o == nil || IsNil(o.ExtraParams) {
 		return nil, false
 	}
-	return &o.ExtraParams, true
+	return o.ExtraParams, true
 }
 
 // HasExtraParams returns a boolean if a field has been set.
@@ -181,7 +170,7 @@ func (o *EndpointOauthConfigIn) HasExtraParams() bool {
 
 // SetExtraParams gets a reference to the given map[string]string and assigns it to the ExtraParams field.
 func (o *EndpointOauthConfigIn) SetExtraParams(v map[string]string) {
-	o.ExtraParams = v
+	o.ExtraParams = &v
 }
 
 // GetGrantType returns the GrantType field value
@@ -240,51 +229,41 @@ func (o *EndpointOauthConfigIn) SetJwtParams(v ClientSecretJwtParamsIn) {
 	o.JwtParams = &v
 }
 
-// GetRefreshToken returns the RefreshToken field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetRefreshToken returns the RefreshToken field value if set, zero value otherwise.
 func (o *EndpointOauthConfigIn) GetRefreshToken() string {
-	if o == nil || IsNil(o.RefreshToken.Get()) {
+	if o == nil || IsNil(o.RefreshToken) {
 		var ret string
 		return ret
 	}
-	return *o.RefreshToken.Get()
+	return *o.RefreshToken
 }
 
 // GetRefreshTokenOk returns a tuple with the RefreshToken field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointOauthConfigIn) GetRefreshTokenOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.RefreshToken) {
 		return nil, false
 	}
-	return o.RefreshToken.Get(), o.RefreshToken.IsSet()
+	return o.RefreshToken, true
 }
 
 // HasRefreshToken returns a boolean if a field has been set.
 func (o *EndpointOauthConfigIn) HasRefreshToken() bool {
-	if o != nil && o.RefreshToken.IsSet() {
+	if o != nil && !IsNil(o.RefreshToken) {
 		return true
 	}
 
 	return false
 }
 
-// SetRefreshToken gets a reference to the given NullableString and assigns it to the RefreshToken field.
+// SetRefreshToken gets a reference to the given string and assigns it to the RefreshToken field.
 func (o *EndpointOauthConfigIn) SetRefreshToken(v string) {
-	o.RefreshToken.Set(&v)
-}
-// SetRefreshTokenNil sets the value for RefreshToken to be an explicit nil
-func (o *EndpointOauthConfigIn) SetRefreshTokenNil() {
-	o.RefreshToken.Set(nil)
-}
-
-// UnsetRefreshToken ensures that no value is present for RefreshToken, not even an explicit nil
-func (o *EndpointOauthConfigIn) UnsetRefreshToken() {
-	o.RefreshToken.Unset()
+	o.RefreshToken = &v
 }
 
-// GetScopes returns the Scopes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetScopes returns the Scopes field value if set, zero value otherwise.
 func (o *EndpointOauthConfigIn) GetScopes() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Scopes) {
 		var ret []string
 		return ret
 	}
@@ -293,7 +272,6 @@ func (o *EndpointOauthConfigIn) GetScopes() []string {
 
 // GetScopesOk returns a tuple with the Scopes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointOauthConfigIn) GetScopesOk() ([]string, bool) {
 	if o == nil || IsNil(o.Scopes) {
 		return nil, false
@@ -351,20 +329,20 @@ func (o EndpointOauthConfigIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["authMethod"] = o.AuthMethod
 	toSerialize["clientId"] = o.ClientId
-	if o.ClientSecret.IsSet() {
-		toSerialize["clientSecret"] = o.ClientSecret.Get()
+	if !IsNil(o.ClientSecret) {
+		toSerialize["clientSecret"] = o.ClientSecret
 	}
-	if o.ExtraParams != nil {
+	if !IsNil(o.ExtraParams) {
 		toSerialize["extraParams"] = o.ExtraParams
 	}
 	toSerialize["grantType"] = o.GrantType
 	if !IsNil(o.JwtParams) {
 		toSerialize["jwtParams"] = o.JwtParams
 	}
-	if o.RefreshToken.IsSet() {
-		toSerialize["refreshToken"] = o.RefreshToken.Get()
+	if !IsNil(o.RefreshToken) {
+		toSerialize["refreshToken"] = o.RefreshToken
 	}
-	if o.Scopes != nil {
+	if !IsNil(o.Scopes) {
 		toSerialize["scopes"] = o.Scopes
 	}
 	toSerialize["tokenUrl"] = o.TokenUrl
diff --git a/go/internal/openapi/model_endpoint_out.go b/go/internal/openapi/model_endpoint_out.go
index 6f6eaaa3f..efa6cdd1e 100644
--- a/go/internal/openapi/model_endpoint_out.go
+++ b/go/internal/openapi/model_endpoint_out.go
@@ -32,9 +32,9 @@ type EndpointOut struct {
 	// The ep's ID
 	Id string `json:"id"`
 	Metadata map[string]string `json:"metadata"`
-	RateLimit NullableInt32 `json:"rateLimit,omitempty"`
+	RateLimit *int32 `json:"rateLimit,omitempty"`
 	// Optional unique identifier for the endpoint
-	Uid NullableString `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	Uid *string `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	UpdatedAt time.Time `json:"updatedAt"`
 	Url string `json:"url"`
 	// Deprecated
@@ -71,9 +71,9 @@ func NewEndpointOutWithDefaults() *EndpointOut {
 	return &this
 }
 
-// GetChannels returns the Channels field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannels returns the Channels field value if set, zero value otherwise.
 func (o *EndpointOut) GetChannels() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Channels) {
 		var ret []string
 		return ret
 	}
@@ -82,7 +82,6 @@ func (o *EndpointOut) GetChannels() []string {
 
 // GetChannelsOk returns a tuple with the Channels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointOut) GetChannelsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Channels) {
 		return nil, false
@@ -184,9 +183,9 @@ func (o *EndpointOut) SetDisabled(v bool) {
 	o.Disabled = &v
 }
 
-// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise.
 func (o *EndpointOut) GetFilterTypes() []string {
-	if o == nil {
+	if o == nil || IsNil(o.FilterTypes) {
 		var ret []string
 		return ret
 	}
@@ -195,7 +194,6 @@ func (o *EndpointOut) GetFilterTypes() []string {
 
 // GetFilterTypesOk returns a tuple with the FilterTypes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointOut) GetFilterTypesOk() ([]string, bool) {
 	if o == nil || IsNil(o.FilterTypes) {
 		return nil, false
@@ -265,88 +263,68 @@ func (o *EndpointOut) SetMetadata(v map[string]string) {
 	o.Metadata = v
 }
 
-// GetRateLimit returns the RateLimit field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetRateLimit returns the RateLimit field value if set, zero value otherwise.
 func (o *EndpointOut) GetRateLimit() int32 {
-	if o == nil || IsNil(o.RateLimit.Get()) {
+	if o == nil || IsNil(o.RateLimit) {
 		var ret int32
 		return ret
 	}
-	return *o.RateLimit.Get()
+	return *o.RateLimit
 }
 
 // GetRateLimitOk returns a tuple with the RateLimit field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointOut) GetRateLimitOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.RateLimit) {
 		return nil, false
 	}
-	return o.RateLimit.Get(), o.RateLimit.IsSet()
+	return o.RateLimit, true
 }
 
 // HasRateLimit returns a boolean if a field has been set.
 func (o *EndpointOut) HasRateLimit() bool {
-	if o != nil && o.RateLimit.IsSet() {
+	if o != nil && !IsNil(o.RateLimit) {
 		return true
 	}
 
 	return false
 }
 
-// SetRateLimit gets a reference to the given NullableInt32 and assigns it to the RateLimit field.
+// SetRateLimit gets a reference to the given int32 and assigns it to the RateLimit field.
 func (o *EndpointOut) SetRateLimit(v int32) {
-	o.RateLimit.Set(&v)
-}
-// SetRateLimitNil sets the value for RateLimit to be an explicit nil
-func (o *EndpointOut) SetRateLimitNil() {
-	o.RateLimit.Set(nil)
+	o.RateLimit = &v
 }
 
-// UnsetRateLimit ensures that no value is present for RateLimit, not even an explicit nil
-func (o *EndpointOut) UnsetRateLimit() {
-	o.RateLimit.Unset()
-}
-
-// GetUid returns the Uid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetUid returns the Uid field value if set, zero value otherwise.
 func (o *EndpointOut) GetUid() string {
-	if o == nil || IsNil(o.Uid.Get()) {
+	if o == nil || IsNil(o.Uid) {
 		var ret string
 		return ret
 	}
-	return *o.Uid.Get()
+	return *o.Uid
 }
 
 // GetUidOk returns a tuple with the Uid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointOut) GetUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Uid) {
 		return nil, false
 	}
-	return o.Uid.Get(), o.Uid.IsSet()
+	return o.Uid, true
 }
 
 // HasUid returns a boolean if a field has been set.
 func (o *EndpointOut) HasUid() bool {
-	if o != nil && o.Uid.IsSet() {
+	if o != nil && !IsNil(o.Uid) {
 		return true
 	}
 
 	return false
 }
 
-// SetUid gets a reference to the given NullableString and assigns it to the Uid field.
+// SetUid gets a reference to the given string and assigns it to the Uid field.
 func (o *EndpointOut) SetUid(v string) {
-	o.Uid.Set(&v)
-}
-// SetUidNil sets the value for Uid to be an explicit nil
-func (o *EndpointOut) SetUidNil() {
-	o.Uid.Set(nil)
-}
-
-// UnsetUid ensures that no value is present for Uid, not even an explicit nil
-func (o *EndpointOut) UnsetUid() {
-	o.Uid.Unset()
+	o.Uid = &v
 }
 
 // GetUpdatedAt returns the UpdatedAt field value
@@ -434,7 +412,7 @@ func (o EndpointOut) MarshalJSON() ([]byte, error) {
 
 func (o EndpointOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Channels != nil {
+	if !IsNil(o.Channels) {
 		toSerialize["channels"] = o.Channels
 	}
 	toSerialize["createdAt"] = o.CreatedAt
@@ -442,16 +420,16 @@ func (o EndpointOut) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Disabled) {
 		toSerialize["disabled"] = o.Disabled
 	}
-	if o.FilterTypes != nil {
+	if !IsNil(o.FilterTypes) {
 		toSerialize["filterTypes"] = o.FilterTypes
 	}
 	toSerialize["id"] = o.Id
 	toSerialize["metadata"] = o.Metadata
-	if o.RateLimit.IsSet() {
-		toSerialize["rateLimit"] = o.RateLimit.Get()
+	if !IsNil(o.RateLimit) {
+		toSerialize["rateLimit"] = o.RateLimit
 	}
-	if o.Uid.IsSet() {
-		toSerialize["uid"] = o.Uid.Get()
+	if !IsNil(o.Uid) {
+		toSerialize["uid"] = o.Uid
 	}
 	toSerialize["updatedAt"] = o.UpdatedAt
 	toSerialize["url"] = o.Url
diff --git a/go/internal/openapi/model_endpoint_secret_rotate_in.go b/go/internal/openapi/model_endpoint_secret_rotate_in.go
index 4b0b0af2f..4d1e8938a 100644
--- a/go/internal/openapi/model_endpoint_secret_rotate_in.go
+++ b/go/internal/openapi/model_endpoint_secret_rotate_in.go
@@ -20,7 +20,7 @@ var _ MappedNullable = &EndpointSecretRotateIn{}
 // EndpointSecretRotateIn struct for EndpointSecretRotateIn
 type EndpointSecretRotateIn struct {
 	// The endpoint's verification secret. If `null` is passed, a secret is automatically generated. Format: `base64` encoded random bytes optionally prefixed with `whsec_`. Recommended size: 24.
-	Key NullableString `json:"key,omitempty" validate:"regexp=^(whsec_)?[a-zA-Z0-9+\\/=]{32,100}$"`
+	Key *string `json:"key,omitempty" validate:"regexp=^(whsec_)?[a-zA-Z0-9+\\/=]{32,100}$"`
 }
 
 // NewEndpointSecretRotateIn instantiates a new EndpointSecretRotateIn object
@@ -40,46 +40,36 @@ func NewEndpointSecretRotateInWithDefaults() *EndpointSecretRotateIn {
 	return &this
 }
 
-// GetKey returns the Key field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetKey returns the Key field value if set, zero value otherwise.
 func (o *EndpointSecretRotateIn) GetKey() string {
-	if o == nil || IsNil(o.Key.Get()) {
+	if o == nil || IsNil(o.Key) {
 		var ret string
 		return ret
 	}
-	return *o.Key.Get()
+	return *o.Key
 }
 
 // GetKeyOk returns a tuple with the Key field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointSecretRotateIn) GetKeyOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Key) {
 		return nil, false
 	}
-	return o.Key.Get(), o.Key.IsSet()
+	return o.Key, true
 }
 
 // HasKey returns a boolean if a field has been set.
 func (o *EndpointSecretRotateIn) HasKey() bool {
-	if o != nil && o.Key.IsSet() {
+	if o != nil && !IsNil(o.Key) {
 		return true
 	}
 
 	return false
 }
 
-// SetKey gets a reference to the given NullableString and assigns it to the Key field.
+// SetKey gets a reference to the given string and assigns it to the Key field.
 func (o *EndpointSecretRotateIn) SetKey(v string) {
-	o.Key.Set(&v)
-}
-// SetKeyNil sets the value for Key to be an explicit nil
-func (o *EndpointSecretRotateIn) SetKeyNil() {
-	o.Key.Set(nil)
-}
-
-// UnsetKey ensures that no value is present for Key, not even an explicit nil
-func (o *EndpointSecretRotateIn) UnsetKey() {
-	o.Key.Unset()
+	o.Key = &v
 }
 
 func (o EndpointSecretRotateIn) MarshalJSON() ([]byte, error) {
@@ -92,8 +82,8 @@ func (o EndpointSecretRotateIn) MarshalJSON() ([]byte, error) {
 
 func (o EndpointSecretRotateIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Key.IsSet() {
-		toSerialize["key"] = o.Key.Get()
+	if !IsNil(o.Key) {
+		toSerialize["key"] = o.Key
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_endpoint_transformation_in.go b/go/internal/openapi/model_endpoint_transformation_in.go
index 1a584bc34..ac0292bc5 100644
--- a/go/internal/openapi/model_endpoint_transformation_in.go
+++ b/go/internal/openapi/model_endpoint_transformation_in.go
@@ -19,7 +19,7 @@ var _ MappedNullable = &EndpointTransformationIn{}
 
 // EndpointTransformationIn struct for EndpointTransformationIn
 type EndpointTransformationIn struct {
-	Code NullableString `json:"code,omitempty"`
+	Code *string `json:"code,omitempty"`
 	Enabled *bool `json:"enabled,omitempty"`
 }
 
@@ -40,46 +40,36 @@ func NewEndpointTransformationInWithDefaults() *EndpointTransformationIn {
 	return &this
 }
 
-// GetCode returns the Code field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetCode returns the Code field value if set, zero value otherwise.
 func (o *EndpointTransformationIn) GetCode() string {
-	if o == nil || IsNil(o.Code.Get()) {
+	if o == nil || IsNil(o.Code) {
 		var ret string
 		return ret
 	}
-	return *o.Code.Get()
+	return *o.Code
 }
 
 // GetCodeOk returns a tuple with the Code field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointTransformationIn) GetCodeOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Code) {
 		return nil, false
 	}
-	return o.Code.Get(), o.Code.IsSet()
+	return o.Code, true
 }
 
 // HasCode returns a boolean if a field has been set.
 func (o *EndpointTransformationIn) HasCode() bool {
-	if o != nil && o.Code.IsSet() {
+	if o != nil && !IsNil(o.Code) {
 		return true
 	}
 
 	return false
 }
 
-// SetCode gets a reference to the given NullableString and assigns it to the Code field.
+// SetCode gets a reference to the given string and assigns it to the Code field.
 func (o *EndpointTransformationIn) SetCode(v string) {
-	o.Code.Set(&v)
-}
-// SetCodeNil sets the value for Code to be an explicit nil
-func (o *EndpointTransformationIn) SetCodeNil() {
-	o.Code.Set(nil)
-}
-
-// UnsetCode ensures that no value is present for Code, not even an explicit nil
-func (o *EndpointTransformationIn) UnsetCode() {
-	o.Code.Unset()
+	o.Code = &v
 }
 
 // GetEnabled returns the Enabled field value if set, zero value otherwise.
@@ -124,8 +114,8 @@ func (o EndpointTransformationIn) MarshalJSON() ([]byte, error) {
 
 func (o EndpointTransformationIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Code.IsSet() {
-		toSerialize["code"] = o.Code.Get()
+	if !IsNil(o.Code) {
+		toSerialize["code"] = o.Code
 	}
 	if !IsNil(o.Enabled) {
 		toSerialize["enabled"] = o.Enabled
diff --git a/go/internal/openapi/model_endpoint_transformation_out.go b/go/internal/openapi/model_endpoint_transformation_out.go
index 4b420ad25..50785af26 100644
--- a/go/internal/openapi/model_endpoint_transformation_out.go
+++ b/go/internal/openapi/model_endpoint_transformation_out.go
@@ -19,7 +19,7 @@ var _ MappedNullable = &EndpointTransformationOut{}
 
 // EndpointTransformationOut struct for EndpointTransformationOut
 type EndpointTransformationOut struct {
-	Code NullableString `json:"code,omitempty"`
+	Code *string `json:"code,omitempty"`
 	Enabled *bool `json:"enabled,omitempty"`
 }
 
@@ -44,46 +44,36 @@ func NewEndpointTransformationOutWithDefaults() *EndpointTransformationOut {
 	return &this
 }
 
-// GetCode returns the Code field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetCode returns the Code field value if set, zero value otherwise.
 func (o *EndpointTransformationOut) GetCode() string {
-	if o == nil || IsNil(o.Code.Get()) {
+	if o == nil || IsNil(o.Code) {
 		var ret string
 		return ret
 	}
-	return *o.Code.Get()
+	return *o.Code
 }
 
 // GetCodeOk returns a tuple with the Code field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointTransformationOut) GetCodeOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Code) {
 		return nil, false
 	}
-	return o.Code.Get(), o.Code.IsSet()
+	return o.Code, true
 }
 
 // HasCode returns a boolean if a field has been set.
 func (o *EndpointTransformationOut) HasCode() bool {
-	if o != nil && o.Code.IsSet() {
+	if o != nil && !IsNil(o.Code) {
 		return true
 	}
 
 	return false
 }
 
-// SetCode gets a reference to the given NullableString and assigns it to the Code field.
+// SetCode gets a reference to the given string and assigns it to the Code field.
 func (o *EndpointTransformationOut) SetCode(v string) {
-	o.Code.Set(&v)
-}
-// SetCodeNil sets the value for Code to be an explicit nil
-func (o *EndpointTransformationOut) SetCodeNil() {
-	o.Code.Set(nil)
-}
-
-// UnsetCode ensures that no value is present for Code, not even an explicit nil
-func (o *EndpointTransformationOut) UnsetCode() {
-	o.Code.Unset()
+	o.Code = &v
 }
 
 // GetEnabled returns the Enabled field value if set, zero value otherwise.
@@ -128,8 +118,8 @@ func (o EndpointTransformationOut) MarshalJSON() ([]byte, error) {
 
 func (o EndpointTransformationOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Code.IsSet() {
-		toSerialize["code"] = o.Code.Get()
+	if !IsNil(o.Code) {
+		toSerialize["code"] = o.Code
 	}
 	if !IsNil(o.Enabled) {
 		toSerialize["enabled"] = o.Enabled
diff --git a/go/internal/openapi/model_endpoint_transformation_simulate_in.go b/go/internal/openapi/model_endpoint_transformation_simulate_in.go
index 722c31684..949dcf181 100644
--- a/go/internal/openapi/model_endpoint_transformation_simulate_in.go
+++ b/go/internal/openapi/model_endpoint_transformation_simulate_in.go
@@ -50,9 +50,9 @@ func NewEndpointTransformationSimulateInWithDefaults() *EndpointTransformationSi
 	return &this
 }
 
-// GetChannels returns the Channels field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannels returns the Channels field value if set, zero value otherwise.
 func (o *EndpointTransformationSimulateIn) GetChannels() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Channels) {
 		var ret []string
 		return ret
 	}
@@ -61,7 +61,6 @@ func (o *EndpointTransformationSimulateIn) GetChannels() []string {
 
 // GetChannelsOk returns a tuple with the Channels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointTransformationSimulateIn) GetChannelsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Channels) {
 		return nil, false
@@ -165,7 +164,7 @@ func (o EndpointTransformationSimulateIn) MarshalJSON() ([]byte, error) {
 
 func (o EndpointTransformationSimulateIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Channels != nil {
+	if !IsNil(o.Channels) {
 		toSerialize["channels"] = o.Channels
 	}
 	toSerialize["code"] = o.Code
diff --git a/go/internal/openapi/model_endpoint_update.go b/go/internal/openapi/model_endpoint_update.go
index daa0a594b..726bff501 100644
--- a/go/internal/openapi/model_endpoint_update.go
+++ b/go/internal/openapi/model_endpoint_update.go
@@ -27,12 +27,12 @@ type EndpointUpdate struct {
 	Disabled *bool `json:"disabled,omitempty"`
 	FilterTypes []string `json:"filterTypes,omitempty"`
 	Metadata *map[string]string `json:"metadata,omitempty"`
-	RateLimit NullableInt32 `json:"rateLimit,omitempty"`
+	RateLimit *int32 `json:"rateLimit,omitempty"`
 	// Optional unique identifier for the endpoint
-	Uid NullableString `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	Uid *string `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	Url string `json:"url"`
 	// Deprecated
-	Version NullableInt32 `json:"version,omitempty"`
+	Version *int32 `json:"version,omitempty"`
 }
 
 type _EndpointUpdate EndpointUpdate
@@ -49,7 +49,7 @@ func NewEndpointUpdate(url string) *EndpointUpdate {
 	this.Disabled = &disabled
 	this.Url = url
 	var version int32 = 1
-	this.Version = *NewNullableInt32(&version)
+	this.Version = &version
 	return &this
 }
 
@@ -63,13 +63,13 @@ func NewEndpointUpdateWithDefaults() *EndpointUpdate {
 	var disabled bool = false
 	this.Disabled = &disabled
 	var version int32 = 1
-	this.Version = *NewNullableInt32(&version)
+	this.Version = &version
 	return &this
 }
 
-// GetChannels returns the Channels field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannels returns the Channels field value if set, zero value otherwise.
 func (o *EndpointUpdate) GetChannels() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Channels) {
 		var ret []string
 		return ret
 	}
@@ -78,7 +78,6 @@ func (o *EndpointUpdate) GetChannels() []string {
 
 // GetChannelsOk returns a tuple with the Channels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointUpdate) GetChannelsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Channels) {
 		return nil, false
@@ -164,9 +163,9 @@ func (o *EndpointUpdate) SetDisabled(v bool) {
 	o.Disabled = &v
 }
 
-// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise.
 func (o *EndpointUpdate) GetFilterTypes() []string {
-	if o == nil {
+	if o == nil || IsNil(o.FilterTypes) {
 		var ret []string
 		return ret
 	}
@@ -175,7 +174,6 @@ func (o *EndpointUpdate) GetFilterTypes() []string {
 
 // GetFilterTypesOk returns a tuple with the FilterTypes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointUpdate) GetFilterTypesOk() ([]string, bool) {
 	if o == nil || IsNil(o.FilterTypes) {
 		return nil, false
@@ -229,88 +227,68 @@ func (o *EndpointUpdate) SetMetadata(v map[string]string) {
 	o.Metadata = &v
 }
 
-// GetRateLimit returns the RateLimit field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetRateLimit returns the RateLimit field value if set, zero value otherwise.
 func (o *EndpointUpdate) GetRateLimit() int32 {
-	if o == nil || IsNil(o.RateLimit.Get()) {
+	if o == nil || IsNil(o.RateLimit) {
 		var ret int32
 		return ret
 	}
-	return *o.RateLimit.Get()
+	return *o.RateLimit
 }
 
 // GetRateLimitOk returns a tuple with the RateLimit field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointUpdate) GetRateLimitOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.RateLimit) {
 		return nil, false
 	}
-	return o.RateLimit.Get(), o.RateLimit.IsSet()
+	return o.RateLimit, true
 }
 
 // HasRateLimit returns a boolean if a field has been set.
 func (o *EndpointUpdate) HasRateLimit() bool {
-	if o != nil && o.RateLimit.IsSet() {
+	if o != nil && !IsNil(o.RateLimit) {
 		return true
 	}
 
 	return false
 }
 
-// SetRateLimit gets a reference to the given NullableInt32 and assigns it to the RateLimit field.
+// SetRateLimit gets a reference to the given int32 and assigns it to the RateLimit field.
 func (o *EndpointUpdate) SetRateLimit(v int32) {
-	o.RateLimit.Set(&v)
-}
-// SetRateLimitNil sets the value for RateLimit to be an explicit nil
-func (o *EndpointUpdate) SetRateLimitNil() {
-	o.RateLimit.Set(nil)
-}
-
-// UnsetRateLimit ensures that no value is present for RateLimit, not even an explicit nil
-func (o *EndpointUpdate) UnsetRateLimit() {
-	o.RateLimit.Unset()
+	o.RateLimit = &v
 }
 
-// GetUid returns the Uid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetUid returns the Uid field value if set, zero value otherwise.
 func (o *EndpointUpdate) GetUid() string {
-	if o == nil || IsNil(o.Uid.Get()) {
+	if o == nil || IsNil(o.Uid) {
 		var ret string
 		return ret
 	}
-	return *o.Uid.Get()
+	return *o.Uid
 }
 
 // GetUidOk returns a tuple with the Uid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointUpdate) GetUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Uid) {
 		return nil, false
 	}
-	return o.Uid.Get(), o.Uid.IsSet()
+	return o.Uid, true
 }
 
 // HasUid returns a boolean if a field has been set.
 func (o *EndpointUpdate) HasUid() bool {
-	if o != nil && o.Uid.IsSet() {
+	if o != nil && !IsNil(o.Uid) {
 		return true
 	}
 
 	return false
 }
 
-// SetUid gets a reference to the given NullableString and assigns it to the Uid field.
+// SetUid gets a reference to the given string and assigns it to the Uid field.
 func (o *EndpointUpdate) SetUid(v string) {
-	o.Uid.Set(&v)
-}
-// SetUidNil sets the value for Uid to be an explicit nil
-func (o *EndpointUpdate) SetUidNil() {
-	o.Uid.Set(nil)
-}
-
-// UnsetUid ensures that no value is present for Uid, not even an explicit nil
-func (o *EndpointUpdate) UnsetUid() {
-	o.Uid.Unset()
+	o.Uid = &v
 }
 
 // GetUrl returns the Url field value
@@ -337,49 +315,39 @@ func (o *EndpointUpdate) SetUrl(v string) {
 	o.Url = v
 }
 
-// GetVersion returns the Version field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetVersion returns the Version field value if set, zero value otherwise.
 // Deprecated
 func (o *EndpointUpdate) GetVersion() int32 {
-	if o == nil || IsNil(o.Version.Get()) {
+	if o == nil || IsNil(o.Version) {
 		var ret int32
 		return ret
 	}
-	return *o.Version.Get()
+	return *o.Version
 }
 
 // GetVersionOk returns a tuple with the Version field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 // Deprecated
 func (o *EndpointUpdate) GetVersionOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Version) {
 		return nil, false
 	}
-	return o.Version.Get(), o.Version.IsSet()
+	return o.Version, true
 }
 
 // HasVersion returns a boolean if a field has been set.
 func (o *EndpointUpdate) HasVersion() bool {
-	if o != nil && o.Version.IsSet() {
+	if o != nil && !IsNil(o.Version) {
 		return true
 	}
 
 	return false
 }
 
-// SetVersion gets a reference to the given NullableInt32 and assigns it to the Version field.
+// SetVersion gets a reference to the given int32 and assigns it to the Version field.
 // Deprecated
 func (o *EndpointUpdate) SetVersion(v int32) {
-	o.Version.Set(&v)
-}
-// SetVersionNil sets the value for Version to be an explicit nil
-func (o *EndpointUpdate) SetVersionNil() {
-	o.Version.Set(nil)
-}
-
-// UnsetVersion ensures that no value is present for Version, not even an explicit nil
-func (o *EndpointUpdate) UnsetVersion() {
-	o.Version.Unset()
+	o.Version = &v
 }
 
 func (o EndpointUpdate) MarshalJSON() ([]byte, error) {
@@ -392,7 +360,7 @@ func (o EndpointUpdate) MarshalJSON() ([]byte, error) {
 
 func (o EndpointUpdate) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Channels != nil {
+	if !IsNil(o.Channels) {
 		toSerialize["channels"] = o.Channels
 	}
 	if !IsNil(o.Description) {
@@ -401,21 +369,21 @@ func (o EndpointUpdate) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Disabled) {
 		toSerialize["disabled"] = o.Disabled
 	}
-	if o.FilterTypes != nil {
+	if !IsNil(o.FilterTypes) {
 		toSerialize["filterTypes"] = o.FilterTypes
 	}
 	if !IsNil(o.Metadata) {
 		toSerialize["metadata"] = o.Metadata
 	}
-	if o.RateLimit.IsSet() {
-		toSerialize["rateLimit"] = o.RateLimit.Get()
+	if !IsNil(o.RateLimit) {
+		toSerialize["rateLimit"] = o.RateLimit
 	}
-	if o.Uid.IsSet() {
-		toSerialize["uid"] = o.Uid.Get()
+	if !IsNil(o.Uid) {
+		toSerialize["uid"] = o.Uid
 	}
 	toSerialize["url"] = o.Url
-	if o.Version.IsSet() {
-		toSerialize["version"] = o.Version.Get()
+	if !IsNil(o.Version) {
+		toSerialize["version"] = o.Version
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_endpoint_updated_event_data.go b/go/internal/openapi/model_endpoint_updated_event_data.go
index b52fb0269..28e2b4a40 100644
--- a/go/internal/openapi/model_endpoint_updated_event_data.go
+++ b/go/internal/openapi/model_endpoint_updated_event_data.go
@@ -24,11 +24,11 @@ type EndpointUpdatedEventData struct {
 	// The app's ID
 	AppId string `json:"appId"`
 	// The app's UID
-	AppUid NullableString `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	AppUid *string `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The ep's ID
 	EndpointId string `json:"endpointId"`
 	// The ep's UID
-	EndpointUid NullableString `json:"endpointUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	EndpointUid *string `json:"endpointUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 }
 
 type _EndpointUpdatedEventData EndpointUpdatedEventData
@@ -76,46 +76,36 @@ func (o *EndpointUpdatedEventData) SetAppId(v string) {
 	o.AppId = v
 }
 
-// GetAppUid returns the AppUid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetAppUid returns the AppUid field value if set, zero value otherwise.
 func (o *EndpointUpdatedEventData) GetAppUid() string {
-	if o == nil || IsNil(o.AppUid.Get()) {
+	if o == nil || IsNil(o.AppUid) {
 		var ret string
 		return ret
 	}
-	return *o.AppUid.Get()
+	return *o.AppUid
 }
 
 // GetAppUidOk returns a tuple with the AppUid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointUpdatedEventData) GetAppUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.AppUid) {
 		return nil, false
 	}
-	return o.AppUid.Get(), o.AppUid.IsSet()
+	return o.AppUid, true
 }
 
 // HasAppUid returns a boolean if a field has been set.
 func (o *EndpointUpdatedEventData) HasAppUid() bool {
-	if o != nil && o.AppUid.IsSet() {
+	if o != nil && !IsNil(o.AppUid) {
 		return true
 	}
 
 	return false
 }
 
-// SetAppUid gets a reference to the given NullableString and assigns it to the AppUid field.
+// SetAppUid gets a reference to the given string and assigns it to the AppUid field.
 func (o *EndpointUpdatedEventData) SetAppUid(v string) {
-	o.AppUid.Set(&v)
-}
-// SetAppUidNil sets the value for AppUid to be an explicit nil
-func (o *EndpointUpdatedEventData) SetAppUidNil() {
-	o.AppUid.Set(nil)
-}
-
-// UnsetAppUid ensures that no value is present for AppUid, not even an explicit nil
-func (o *EndpointUpdatedEventData) UnsetAppUid() {
-	o.AppUid.Unset()
+	o.AppUid = &v
 }
 
 // GetEndpointId returns the EndpointId field value
@@ -142,46 +132,36 @@ func (o *EndpointUpdatedEventData) SetEndpointId(v string) {
 	o.EndpointId = v
 }
 
-// GetEndpointUid returns the EndpointUid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetEndpointUid returns the EndpointUid field value if set, zero value otherwise.
 func (o *EndpointUpdatedEventData) GetEndpointUid() string {
-	if o == nil || IsNil(o.EndpointUid.Get()) {
+	if o == nil || IsNil(o.EndpointUid) {
 		var ret string
 		return ret
 	}
-	return *o.EndpointUid.Get()
+	return *o.EndpointUid
 }
 
 // GetEndpointUidOk returns a tuple with the EndpointUid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EndpointUpdatedEventData) GetEndpointUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.EndpointUid) {
 		return nil, false
 	}
-	return o.EndpointUid.Get(), o.EndpointUid.IsSet()
+	return o.EndpointUid, true
 }
 
 // HasEndpointUid returns a boolean if a field has been set.
 func (o *EndpointUpdatedEventData) HasEndpointUid() bool {
-	if o != nil && o.EndpointUid.IsSet() {
+	if o != nil && !IsNil(o.EndpointUid) {
 		return true
 	}
 
 	return false
 }
 
-// SetEndpointUid gets a reference to the given NullableString and assigns it to the EndpointUid field.
+// SetEndpointUid gets a reference to the given string and assigns it to the EndpointUid field.
 func (o *EndpointUpdatedEventData) SetEndpointUid(v string) {
-	o.EndpointUid.Set(&v)
-}
-// SetEndpointUidNil sets the value for EndpointUid to be an explicit nil
-func (o *EndpointUpdatedEventData) SetEndpointUidNil() {
-	o.EndpointUid.Set(nil)
-}
-
-// UnsetEndpointUid ensures that no value is present for EndpointUid, not even an explicit nil
-func (o *EndpointUpdatedEventData) UnsetEndpointUid() {
-	o.EndpointUid.Unset()
+	o.EndpointUid = &v
 }
 
 func (o EndpointUpdatedEventData) MarshalJSON() ([]byte, error) {
@@ -195,12 +175,12 @@ func (o EndpointUpdatedEventData) MarshalJSON() ([]byte, error) {
 func (o EndpointUpdatedEventData) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["appId"] = o.AppId
-	if o.AppUid.IsSet() {
-		toSerialize["appUid"] = o.AppUid.Get()
+	if !IsNil(o.AppUid) {
+		toSerialize["appUid"] = o.AppUid
 	}
 	toSerialize["endpointId"] = o.EndpointId
-	if o.EndpointUid.IsSet() {
-		toSerialize["endpointUid"] = o.EndpointUid.Get()
+	if !IsNil(o.EndpointUid) {
+		toSerialize["endpointUid"] = o.EndpointUid
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_environment_in.go b/go/internal/openapi/model_environment_in.go
index 8a916b095..f20a89920 100644
--- a/go/internal/openapi/model_environment_in.go
+++ b/go/internal/openapi/model_environment_in.go
@@ -46,9 +46,9 @@ func NewEnvironmentInWithDefaults() *EnvironmentIn {
 	return &this
 }
 
-// GetEventTypes returns the EventTypes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetEventTypes returns the EventTypes field value if set, zero value otherwise.
 func (o *EnvironmentIn) GetEventTypes() []EventTypeIn {
-	if o == nil {
+	if o == nil || IsNil(o.EventTypes) {
 		var ret []EventTypeIn
 		return ret
 	}
@@ -57,7 +57,6 @@ func (o *EnvironmentIn) GetEventTypes() []EventTypeIn {
 
 // GetEventTypesOk returns a tuple with the EventTypes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EnvironmentIn) GetEventTypesOk() ([]EventTypeIn, bool) {
 	if o == nil || IsNil(o.EventTypes) {
 		return nil, false
@@ -105,9 +104,9 @@ func (o *EnvironmentIn) SetSettings(v map[string]map[string]interface{}) {
 	o.Settings = v
 }
 
-// GetTransformationTemplates returns the TransformationTemplates field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetTransformationTemplates returns the TransformationTemplates field value if set, zero value otherwise.
 func (o *EnvironmentIn) GetTransformationTemplates() []TemplateIn {
-	if o == nil {
+	if o == nil || IsNil(o.TransformationTemplates) {
 		var ret []TemplateIn
 		return ret
 	}
@@ -116,7 +115,6 @@ func (o *EnvironmentIn) GetTransformationTemplates() []TemplateIn {
 
 // GetTransformationTemplatesOk returns a tuple with the TransformationTemplates field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EnvironmentIn) GetTransformationTemplatesOk() ([]TemplateIn, bool) {
 	if o == nil || IsNil(o.TransformationTemplates) {
 		return nil, false
@@ -148,13 +146,13 @@ func (o EnvironmentIn) MarshalJSON() ([]byte, error) {
 
 func (o EnvironmentIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.EventTypes != nil {
+	if !IsNil(o.EventTypes) {
 		toSerialize["eventTypes"] = o.EventTypes
 	}
 	if o.Settings != nil {
 		toSerialize["settings"] = o.Settings
 	}
-	if o.TransformationTemplates != nil {
+	if !IsNil(o.TransformationTemplates) {
 		toSerialize["transformationTemplates"] = o.TransformationTemplates
 	}
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_environment_settings_out.go b/go/internal/openapi/model_environment_settings_out.go
index e3ab9fe22..60522f719 100644
--- a/go/internal/openapi/model_environment_settings_out.go
+++ b/go/internal/openapi/model_environment_settings_out.go
@@ -21,13 +21,13 @@ var _ MappedNullable = &EnvironmentSettingsOut{}
 type EnvironmentSettingsOut struct {
 	ColorPaletteDark *CustomColorPalette `json:"colorPaletteDark,omitempty"`
 	ColorPaletteLight *CustomColorPalette `json:"colorPaletteLight,omitempty"`
-	CustomColor NullableString `json:"customColor,omitempty"`
-	CustomFontFamily NullableString `json:"customFontFamily,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_ ]+$"`
-	CustomFontFamilyUrl NullableString `json:"customFontFamilyUrl,omitempty"`
-	CustomLogoUrl NullableString `json:"customLogoUrl,omitempty"`
+	CustomColor *string `json:"customColor,omitempty"`
+	CustomFontFamily *string `json:"customFontFamily,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_ ]+$"`
+	CustomFontFamilyUrl *string `json:"customFontFamilyUrl,omitempty"`
+	CustomLogoUrl *string `json:"customLogoUrl,omitempty"`
 	CustomStringsOverride *CustomStringsOverride `json:"customStringsOverride,omitempty"`
 	CustomThemeOverride *CustomThemeOverride `json:"customThemeOverride,omitempty"`
-	DisplayName NullableString `json:"displayName,omitempty"`
+	DisplayName *string `json:"displayName,omitempty"`
 	EnableChannels *bool `json:"enableChannels,omitempty"`
 	EnableIntegrationManagement *bool `json:"enableIntegrationManagement,omitempty"`
 	EnableMessageTags *bool `json:"enableMessageTags,omitempty"`
@@ -141,172 +141,132 @@ func (o *EnvironmentSettingsOut) SetColorPaletteLight(v CustomColorPalette) {
 	o.ColorPaletteLight = &v
 }
 
-// GetCustomColor returns the CustomColor field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetCustomColor returns the CustomColor field value if set, zero value otherwise.
 func (o *EnvironmentSettingsOut) GetCustomColor() string {
-	if o == nil || IsNil(o.CustomColor.Get()) {
+	if o == nil || IsNil(o.CustomColor) {
 		var ret string
 		return ret
 	}
-	return *o.CustomColor.Get()
+	return *o.CustomColor
 }
 
 // GetCustomColorOk returns a tuple with the CustomColor field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EnvironmentSettingsOut) GetCustomColorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.CustomColor) {
 		return nil, false
 	}
-	return o.CustomColor.Get(), o.CustomColor.IsSet()
+	return o.CustomColor, true
 }
 
 // HasCustomColor returns a boolean if a field has been set.
 func (o *EnvironmentSettingsOut) HasCustomColor() bool {
-	if o != nil && o.CustomColor.IsSet() {
+	if o != nil && !IsNil(o.CustomColor) {
 		return true
 	}
 
 	return false
 }
 
-// SetCustomColor gets a reference to the given NullableString and assigns it to the CustomColor field.
+// SetCustomColor gets a reference to the given string and assigns it to the CustomColor field.
 func (o *EnvironmentSettingsOut) SetCustomColor(v string) {
-	o.CustomColor.Set(&v)
-}
-// SetCustomColorNil sets the value for CustomColor to be an explicit nil
-func (o *EnvironmentSettingsOut) SetCustomColorNil() {
-	o.CustomColor.Set(nil)
-}
-
-// UnsetCustomColor ensures that no value is present for CustomColor, not even an explicit nil
-func (o *EnvironmentSettingsOut) UnsetCustomColor() {
-	o.CustomColor.Unset()
+	o.CustomColor = &v
 }
 
-// GetCustomFontFamily returns the CustomFontFamily field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetCustomFontFamily returns the CustomFontFamily field value if set, zero value otherwise.
 func (o *EnvironmentSettingsOut) GetCustomFontFamily() string {
-	if o == nil || IsNil(o.CustomFontFamily.Get()) {
+	if o == nil || IsNil(o.CustomFontFamily) {
 		var ret string
 		return ret
 	}
-	return *o.CustomFontFamily.Get()
+	return *o.CustomFontFamily
 }
 
 // GetCustomFontFamilyOk returns a tuple with the CustomFontFamily field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EnvironmentSettingsOut) GetCustomFontFamilyOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.CustomFontFamily) {
 		return nil, false
 	}
-	return o.CustomFontFamily.Get(), o.CustomFontFamily.IsSet()
+	return o.CustomFontFamily, true
 }
 
 // HasCustomFontFamily returns a boolean if a field has been set.
 func (o *EnvironmentSettingsOut) HasCustomFontFamily() bool {
-	if o != nil && o.CustomFontFamily.IsSet() {
+	if o != nil && !IsNil(o.CustomFontFamily) {
 		return true
 	}
 
 	return false
 }
 
-// SetCustomFontFamily gets a reference to the given NullableString and assigns it to the CustomFontFamily field.
+// SetCustomFontFamily gets a reference to the given string and assigns it to the CustomFontFamily field.
 func (o *EnvironmentSettingsOut) SetCustomFontFamily(v string) {
-	o.CustomFontFamily.Set(&v)
-}
-// SetCustomFontFamilyNil sets the value for CustomFontFamily to be an explicit nil
-func (o *EnvironmentSettingsOut) SetCustomFontFamilyNil() {
-	o.CustomFontFamily.Set(nil)
+	o.CustomFontFamily = &v
 }
 
-// UnsetCustomFontFamily ensures that no value is present for CustomFontFamily, not even an explicit nil
-func (o *EnvironmentSettingsOut) UnsetCustomFontFamily() {
-	o.CustomFontFamily.Unset()
-}
-
-// GetCustomFontFamilyUrl returns the CustomFontFamilyUrl field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetCustomFontFamilyUrl returns the CustomFontFamilyUrl field value if set, zero value otherwise.
 func (o *EnvironmentSettingsOut) GetCustomFontFamilyUrl() string {
-	if o == nil || IsNil(o.CustomFontFamilyUrl.Get()) {
+	if o == nil || IsNil(o.CustomFontFamilyUrl) {
 		var ret string
 		return ret
 	}
-	return *o.CustomFontFamilyUrl.Get()
+	return *o.CustomFontFamilyUrl
 }
 
 // GetCustomFontFamilyUrlOk returns a tuple with the CustomFontFamilyUrl field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EnvironmentSettingsOut) GetCustomFontFamilyUrlOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.CustomFontFamilyUrl) {
 		return nil, false
 	}
-	return o.CustomFontFamilyUrl.Get(), o.CustomFontFamilyUrl.IsSet()
+	return o.CustomFontFamilyUrl, true
 }
 
 // HasCustomFontFamilyUrl returns a boolean if a field has been set.
 func (o *EnvironmentSettingsOut) HasCustomFontFamilyUrl() bool {
-	if o != nil && o.CustomFontFamilyUrl.IsSet() {
+	if o != nil && !IsNil(o.CustomFontFamilyUrl) {
 		return true
 	}
 
 	return false
 }
 
-// SetCustomFontFamilyUrl gets a reference to the given NullableString and assigns it to the CustomFontFamilyUrl field.
+// SetCustomFontFamilyUrl gets a reference to the given string and assigns it to the CustomFontFamilyUrl field.
 func (o *EnvironmentSettingsOut) SetCustomFontFamilyUrl(v string) {
-	o.CustomFontFamilyUrl.Set(&v)
-}
-// SetCustomFontFamilyUrlNil sets the value for CustomFontFamilyUrl to be an explicit nil
-func (o *EnvironmentSettingsOut) SetCustomFontFamilyUrlNil() {
-	o.CustomFontFamilyUrl.Set(nil)
+	o.CustomFontFamilyUrl = &v
 }
 
-// UnsetCustomFontFamilyUrl ensures that no value is present for CustomFontFamilyUrl, not even an explicit nil
-func (o *EnvironmentSettingsOut) UnsetCustomFontFamilyUrl() {
-	o.CustomFontFamilyUrl.Unset()
-}
-
-// GetCustomLogoUrl returns the CustomLogoUrl field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetCustomLogoUrl returns the CustomLogoUrl field value if set, zero value otherwise.
 func (o *EnvironmentSettingsOut) GetCustomLogoUrl() string {
-	if o == nil || IsNil(o.CustomLogoUrl.Get()) {
+	if o == nil || IsNil(o.CustomLogoUrl) {
 		var ret string
 		return ret
 	}
-	return *o.CustomLogoUrl.Get()
+	return *o.CustomLogoUrl
 }
 
 // GetCustomLogoUrlOk returns a tuple with the CustomLogoUrl field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EnvironmentSettingsOut) GetCustomLogoUrlOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.CustomLogoUrl) {
 		return nil, false
 	}
-	return o.CustomLogoUrl.Get(), o.CustomLogoUrl.IsSet()
+	return o.CustomLogoUrl, true
 }
 
 // HasCustomLogoUrl returns a boolean if a field has been set.
 func (o *EnvironmentSettingsOut) HasCustomLogoUrl() bool {
-	if o != nil && o.CustomLogoUrl.IsSet() {
+	if o != nil && !IsNil(o.CustomLogoUrl) {
 		return true
 	}
 
 	return false
 }
 
-// SetCustomLogoUrl gets a reference to the given NullableString and assigns it to the CustomLogoUrl field.
+// SetCustomLogoUrl gets a reference to the given string and assigns it to the CustomLogoUrl field.
 func (o *EnvironmentSettingsOut) SetCustomLogoUrl(v string) {
-	o.CustomLogoUrl.Set(&v)
-}
-// SetCustomLogoUrlNil sets the value for CustomLogoUrl to be an explicit nil
-func (o *EnvironmentSettingsOut) SetCustomLogoUrlNil() {
-	o.CustomLogoUrl.Set(nil)
-}
-
-// UnsetCustomLogoUrl ensures that no value is present for CustomLogoUrl, not even an explicit nil
-func (o *EnvironmentSettingsOut) UnsetCustomLogoUrl() {
-	o.CustomLogoUrl.Unset()
+	o.CustomLogoUrl = &v
 }
 
 // GetCustomStringsOverride returns the CustomStringsOverride field value if set, zero value otherwise.
@@ -373,46 +333,36 @@ func (o *EnvironmentSettingsOut) SetCustomThemeOverride(v CustomThemeOverride) {
 	o.CustomThemeOverride = &v
 }
 
-// GetDisplayName returns the DisplayName field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetDisplayName returns the DisplayName field value if set, zero value otherwise.
 func (o *EnvironmentSettingsOut) GetDisplayName() string {
-	if o == nil || IsNil(o.DisplayName.Get()) {
+	if o == nil || IsNil(o.DisplayName) {
 		var ret string
 		return ret
 	}
-	return *o.DisplayName.Get()
+	return *o.DisplayName
 }
 
 // GetDisplayNameOk returns a tuple with the DisplayName field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EnvironmentSettingsOut) GetDisplayNameOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.DisplayName) {
 		return nil, false
 	}
-	return o.DisplayName.Get(), o.DisplayName.IsSet()
+	return o.DisplayName, true
 }
 
 // HasDisplayName returns a boolean if a field has been set.
 func (o *EnvironmentSettingsOut) HasDisplayName() bool {
-	if o != nil && o.DisplayName.IsSet() {
+	if o != nil && !IsNil(o.DisplayName) {
 		return true
 	}
 
 	return false
 }
 
-// SetDisplayName gets a reference to the given NullableString and assigns it to the DisplayName field.
+// SetDisplayName gets a reference to the given string and assigns it to the DisplayName field.
 func (o *EnvironmentSettingsOut) SetDisplayName(v string) {
-	o.DisplayName.Set(&v)
-}
-// SetDisplayNameNil sets the value for DisplayName to be an explicit nil
-func (o *EnvironmentSettingsOut) SetDisplayNameNil() {
-	o.DisplayName.Set(nil)
-}
-
-// UnsetDisplayName ensures that no value is present for DisplayName, not even an explicit nil
-func (o *EnvironmentSettingsOut) UnsetDisplayName() {
-	o.DisplayName.Unset()
+	o.DisplayName = &v
 }
 
 // GetEnableChannels returns the EnableChannels field value if set, zero value otherwise.
@@ -623,17 +573,17 @@ func (o EnvironmentSettingsOut) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.ColorPaletteLight) {
 		toSerialize["colorPaletteLight"] = o.ColorPaletteLight
 	}
-	if o.CustomColor.IsSet() {
-		toSerialize["customColor"] = o.CustomColor.Get()
+	if !IsNil(o.CustomColor) {
+		toSerialize["customColor"] = o.CustomColor
 	}
-	if o.CustomFontFamily.IsSet() {
-		toSerialize["customFontFamily"] = o.CustomFontFamily.Get()
+	if !IsNil(o.CustomFontFamily) {
+		toSerialize["customFontFamily"] = o.CustomFontFamily
 	}
-	if o.CustomFontFamilyUrl.IsSet() {
-		toSerialize["customFontFamilyUrl"] = o.CustomFontFamilyUrl.Get()
+	if !IsNil(o.CustomFontFamilyUrl) {
+		toSerialize["customFontFamilyUrl"] = o.CustomFontFamilyUrl
 	}
-	if o.CustomLogoUrl.IsSet() {
-		toSerialize["customLogoUrl"] = o.CustomLogoUrl.Get()
+	if !IsNil(o.CustomLogoUrl) {
+		toSerialize["customLogoUrl"] = o.CustomLogoUrl
 	}
 	if !IsNil(o.CustomStringsOverride) {
 		toSerialize["customStringsOverride"] = o.CustomStringsOverride
@@ -641,8 +591,8 @@ func (o EnvironmentSettingsOut) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.CustomThemeOverride) {
 		toSerialize["customThemeOverride"] = o.CustomThemeOverride
 	}
-	if o.DisplayName.IsSet() {
-		toSerialize["displayName"] = o.DisplayName.Get()
+	if !IsNil(o.DisplayName) {
+		toSerialize["displayName"] = o.DisplayName
 	}
 	if !IsNil(o.EnableChannels) {
 		toSerialize["enableChannels"] = o.EnableChannels
diff --git a/go/internal/openapi/model_event_in.go b/go/internal/openapi/model_event_in.go
index bab91a18f..d00740391 100644
--- a/go/internal/openapi/model_event_in.go
+++ b/go/internal/openapi/model_event_in.go
@@ -22,7 +22,7 @@ var _ MappedNullable = &EventIn{}
 // EventIn struct for EventIn
 type EventIn struct {
 	// The event type's name
-	EventType NullableString `json:"eventType,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	EventType *string `json:"eventType,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	Payload string `json:"payload"`
 }
 
@@ -46,46 +46,36 @@ func NewEventInWithDefaults() *EventIn {
 	return &this
 }
 
-// GetEventType returns the EventType field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetEventType returns the EventType field value if set, zero value otherwise.
 func (o *EventIn) GetEventType() string {
-	if o == nil || IsNil(o.EventType.Get()) {
+	if o == nil || IsNil(o.EventType) {
 		var ret string
 		return ret
 	}
-	return *o.EventType.Get()
+	return *o.EventType
 }
 
 // GetEventTypeOk returns a tuple with the EventType field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventIn) GetEventTypeOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.EventType) {
 		return nil, false
 	}
-	return o.EventType.Get(), o.EventType.IsSet()
+	return o.EventType, true
 }
 
 // HasEventType returns a boolean if a field has been set.
 func (o *EventIn) HasEventType() bool {
-	if o != nil && o.EventType.IsSet() {
+	if o != nil && !IsNil(o.EventType) {
 		return true
 	}
 
 	return false
 }
 
-// SetEventType gets a reference to the given NullableString and assigns it to the EventType field.
+// SetEventType gets a reference to the given string and assigns it to the EventType field.
 func (o *EventIn) SetEventType(v string) {
-	o.EventType.Set(&v)
-}
-// SetEventTypeNil sets the value for EventType to be an explicit nil
-func (o *EventIn) SetEventTypeNil() {
-	o.EventType.Set(nil)
-}
-
-// UnsetEventType ensures that no value is present for EventType, not even an explicit nil
-func (o *EventIn) UnsetEventType() {
-	o.EventType.Unset()
+	o.EventType = &v
 }
 
 // GetPayload returns the Payload field value
@@ -122,8 +112,8 @@ func (o EventIn) MarshalJSON() ([]byte, error) {
 
 func (o EventIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.EventType.IsSet() {
-		toSerialize["eventType"] = o.EventType.Get()
+	if !IsNil(o.EventType) {
+		toSerialize["eventType"] = o.EventType
 	}
 	toSerialize["payload"] = o.Payload
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_event_out.go b/go/internal/openapi/model_event_out.go
index da165c8e2..614664d98 100644
--- a/go/internal/openapi/model_event_out.go
+++ b/go/internal/openapi/model_event_out.go
@@ -23,7 +23,7 @@ var _ MappedNullable = &EventOut{}
 // EventOut struct for EventOut
 type EventOut struct {
 	// The event type's name
-	EventType NullableString `json:"eventType,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	EventType *string `json:"eventType,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	Payload string `json:"payload"`
 	Timestamp time.Time `json:"timestamp"`
 }
@@ -49,46 +49,36 @@ func NewEventOutWithDefaults() *EventOut {
 	return &this
 }
 
-// GetEventType returns the EventType field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetEventType returns the EventType field value if set, zero value otherwise.
 func (o *EventOut) GetEventType() string {
-	if o == nil || IsNil(o.EventType.Get()) {
+	if o == nil || IsNil(o.EventType) {
 		var ret string
 		return ret
 	}
-	return *o.EventType.Get()
+	return *o.EventType
 }
 
 // GetEventTypeOk returns a tuple with the EventType field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventOut) GetEventTypeOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.EventType) {
 		return nil, false
 	}
-	return o.EventType.Get(), o.EventType.IsSet()
+	return o.EventType, true
 }
 
 // HasEventType returns a boolean if a field has been set.
 func (o *EventOut) HasEventType() bool {
-	if o != nil && o.EventType.IsSet() {
+	if o != nil && !IsNil(o.EventType) {
 		return true
 	}
 
 	return false
 }
 
-// SetEventType gets a reference to the given NullableString and assigns it to the EventType field.
+// SetEventType gets a reference to the given string and assigns it to the EventType field.
 func (o *EventOut) SetEventType(v string) {
-	o.EventType.Set(&v)
-}
-// SetEventTypeNil sets the value for EventType to be an explicit nil
-func (o *EventOut) SetEventTypeNil() {
-	o.EventType.Set(nil)
-}
-
-// UnsetEventType ensures that no value is present for EventType, not even an explicit nil
-func (o *EventOut) UnsetEventType() {
-	o.EventType.Unset()
+	o.EventType = &v
 }
 
 // GetPayload returns the Payload field value
@@ -149,8 +139,8 @@ func (o EventOut) MarshalJSON() ([]byte, error) {
 
 func (o EventOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.EventType.IsSet() {
-		toSerialize["eventType"] = o.EventType.Get()
+	if !IsNil(o.EventType) {
+		toSerialize["eventType"] = o.EventType
 	}
 	toSerialize["payload"] = o.Payload
 	toSerialize["timestamp"] = o.Timestamp
diff --git a/go/internal/openapi/model_event_type_from_open_api.go b/go/internal/openapi/model_event_type_from_open_api.go
index af10fd88c..bccb44116 100644
--- a/go/internal/openapi/model_event_type_from_open_api.go
+++ b/go/internal/openapi/model_event_type_from_open_api.go
@@ -23,9 +23,9 @@ var _ MappedNullable = &EventTypeFromOpenApi{}
 type EventTypeFromOpenApi struct {
 	Deprecated bool `json:"deprecated"`
 	Description string `json:"description"`
-	FeatureFlag NullableString `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	FeatureFlag *string `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The event type group's name
-	GroupName NullableString `json:"groupName,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	GroupName *string `json:"groupName,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The event type's name
 	Name string `json:"name" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	Schemas map[string]map[string]interface{} `json:"schemas,omitempty"`
@@ -101,88 +101,68 @@ func (o *EventTypeFromOpenApi) SetDescription(v string) {
 	o.Description = v
 }
 
-// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise.
 func (o *EventTypeFromOpenApi) GetFeatureFlag() string {
-	if o == nil || IsNil(o.FeatureFlag.Get()) {
+	if o == nil || IsNil(o.FeatureFlag) {
 		var ret string
 		return ret
 	}
-	return *o.FeatureFlag.Get()
+	return *o.FeatureFlag
 }
 
 // GetFeatureFlagOk returns a tuple with the FeatureFlag field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeFromOpenApi) GetFeatureFlagOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.FeatureFlag) {
 		return nil, false
 	}
-	return o.FeatureFlag.Get(), o.FeatureFlag.IsSet()
+	return o.FeatureFlag, true
 }
 
 // HasFeatureFlag returns a boolean if a field has been set.
 func (o *EventTypeFromOpenApi) HasFeatureFlag() bool {
-	if o != nil && o.FeatureFlag.IsSet() {
+	if o != nil && !IsNil(o.FeatureFlag) {
 		return true
 	}
 
 	return false
 }
 
-// SetFeatureFlag gets a reference to the given NullableString and assigns it to the FeatureFlag field.
+// SetFeatureFlag gets a reference to the given string and assigns it to the FeatureFlag field.
 func (o *EventTypeFromOpenApi) SetFeatureFlag(v string) {
-	o.FeatureFlag.Set(&v)
-}
-// SetFeatureFlagNil sets the value for FeatureFlag to be an explicit nil
-func (o *EventTypeFromOpenApi) SetFeatureFlagNil() {
-	o.FeatureFlag.Set(nil)
+	o.FeatureFlag = &v
 }
 
-// UnsetFeatureFlag ensures that no value is present for FeatureFlag, not even an explicit nil
-func (o *EventTypeFromOpenApi) UnsetFeatureFlag() {
-	o.FeatureFlag.Unset()
-}
-
-// GetGroupName returns the GroupName field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetGroupName returns the GroupName field value if set, zero value otherwise.
 func (o *EventTypeFromOpenApi) GetGroupName() string {
-	if o == nil || IsNil(o.GroupName.Get()) {
+	if o == nil || IsNil(o.GroupName) {
 		var ret string
 		return ret
 	}
-	return *o.GroupName.Get()
+	return *o.GroupName
 }
 
 // GetGroupNameOk returns a tuple with the GroupName field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeFromOpenApi) GetGroupNameOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.GroupName) {
 		return nil, false
 	}
-	return o.GroupName.Get(), o.GroupName.IsSet()
+	return o.GroupName, true
 }
 
 // HasGroupName returns a boolean if a field has been set.
 func (o *EventTypeFromOpenApi) HasGroupName() bool {
-	if o != nil && o.GroupName.IsSet() {
+	if o != nil && !IsNil(o.GroupName) {
 		return true
 	}
 
 	return false
 }
 
-// SetGroupName gets a reference to the given NullableString and assigns it to the GroupName field.
+// SetGroupName gets a reference to the given string and assigns it to the GroupName field.
 func (o *EventTypeFromOpenApi) SetGroupName(v string) {
-	o.GroupName.Set(&v)
-}
-// SetGroupNameNil sets the value for GroupName to be an explicit nil
-func (o *EventTypeFromOpenApi) SetGroupNameNil() {
-	o.GroupName.Set(nil)
-}
-
-// UnsetGroupName ensures that no value is present for GroupName, not even an explicit nil
-func (o *EventTypeFromOpenApi) UnsetGroupName() {
-	o.GroupName.Unset()
+	o.GroupName = &v
 }
 
 // GetName returns the Name field value
@@ -209,9 +189,9 @@ func (o *EventTypeFromOpenApi) SetName(v string) {
 	o.Name = v
 }
 
-// GetSchemas returns the Schemas field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetSchemas returns the Schemas field value if set, zero value otherwise.
 func (o *EventTypeFromOpenApi) GetSchemas() map[string]map[string]interface{} {
-	if o == nil {
+	if o == nil || IsNil(o.Schemas) {
 		var ret map[string]map[string]interface{}
 		return ret
 	}
@@ -220,7 +200,6 @@ func (o *EventTypeFromOpenApi) GetSchemas() map[string]map[string]interface{} {
 
 // GetSchemasOk returns a tuple with the Schemas field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeFromOpenApi) GetSchemasOk() (map[string]map[string]interface{}, bool) {
 	if o == nil || IsNil(o.Schemas) {
 		return map[string]map[string]interface{}{}, false
@@ -254,14 +233,14 @@ func (o EventTypeFromOpenApi) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["deprecated"] = o.Deprecated
 	toSerialize["description"] = o.Description
-	if o.FeatureFlag.IsSet() {
-		toSerialize["featureFlag"] = o.FeatureFlag.Get()
+	if !IsNil(o.FeatureFlag) {
+		toSerialize["featureFlag"] = o.FeatureFlag
 	}
-	if o.GroupName.IsSet() {
-		toSerialize["groupName"] = o.GroupName.Get()
+	if !IsNil(o.GroupName) {
+		toSerialize["groupName"] = o.GroupName
 	}
 	toSerialize["name"] = o.Name
-	if o.Schemas != nil {
+	if !IsNil(o.Schemas) {
 		toSerialize["schemas"] = o.Schemas
 	}
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_event_type_import_open_api_in.go b/go/internal/openapi/model_event_type_import_open_api_in.go
index 6141a39cb..046536caf 100644
--- a/go/internal/openapi/model_event_type_import_open_api_in.go
+++ b/go/internal/openapi/model_event_type_import_open_api_in.go
@@ -24,7 +24,7 @@ type EventTypeImportOpenApiIn struct {
 	// A pre-parsed JSON spec.
 	Spec map[string]map[string]interface{} `json:"spec,omitempty"`
 	// A string, parsed by the server as YAML or JSON.
-	SpecRaw NullableString `json:"specRaw,omitempty"`
+	SpecRaw *string `json:"specRaw,omitempty"`
 }
 
 // NewEventTypeImportOpenApiIn instantiates a new EventTypeImportOpenApiIn object
@@ -80,9 +80,9 @@ func (o *EventTypeImportOpenApiIn) SetDryRun(v bool) {
 	o.DryRun = &v
 }
 
-// GetSpec returns the Spec field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetSpec returns the Spec field value if set, zero value otherwise.
 func (o *EventTypeImportOpenApiIn) GetSpec() map[string]map[string]interface{} {
-	if o == nil {
+	if o == nil || IsNil(o.Spec) {
 		var ret map[string]map[string]interface{}
 		return ret
 	}
@@ -91,7 +91,6 @@ func (o *EventTypeImportOpenApiIn) GetSpec() map[string]map[string]interface{} {
 
 // GetSpecOk returns a tuple with the Spec field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeImportOpenApiIn) GetSpecOk() (map[string]map[string]interface{}, bool) {
 	if o == nil || IsNil(o.Spec) {
 		return map[string]map[string]interface{}{}, false
@@ -113,46 +112,36 @@ func (o *EventTypeImportOpenApiIn) SetSpec(v map[string]map[string]interface{})
 	o.Spec = v
 }
 
-// GetSpecRaw returns the SpecRaw field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetSpecRaw returns the SpecRaw field value if set, zero value otherwise.
 func (o *EventTypeImportOpenApiIn) GetSpecRaw() string {
-	if o == nil || IsNil(o.SpecRaw.Get()) {
+	if o == nil || IsNil(o.SpecRaw) {
 		var ret string
 		return ret
 	}
-	return *o.SpecRaw.Get()
+	return *o.SpecRaw
 }
 
 // GetSpecRawOk returns a tuple with the SpecRaw field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeImportOpenApiIn) GetSpecRawOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.SpecRaw) {
 		return nil, false
 	}
-	return o.SpecRaw.Get(), o.SpecRaw.IsSet()
+	return o.SpecRaw, true
 }
 
 // HasSpecRaw returns a boolean if a field has been set.
 func (o *EventTypeImportOpenApiIn) HasSpecRaw() bool {
-	if o != nil && o.SpecRaw.IsSet() {
+	if o != nil && !IsNil(o.SpecRaw) {
 		return true
 	}
 
 	return false
 }
 
-// SetSpecRaw gets a reference to the given NullableString and assigns it to the SpecRaw field.
+// SetSpecRaw gets a reference to the given string and assigns it to the SpecRaw field.
 func (o *EventTypeImportOpenApiIn) SetSpecRaw(v string) {
-	o.SpecRaw.Set(&v)
-}
-// SetSpecRawNil sets the value for SpecRaw to be an explicit nil
-func (o *EventTypeImportOpenApiIn) SetSpecRawNil() {
-	o.SpecRaw.Set(nil)
-}
-
-// UnsetSpecRaw ensures that no value is present for SpecRaw, not even an explicit nil
-func (o *EventTypeImportOpenApiIn) UnsetSpecRaw() {
-	o.SpecRaw.Unset()
+	o.SpecRaw = &v
 }
 
 func (o EventTypeImportOpenApiIn) MarshalJSON() ([]byte, error) {
@@ -168,11 +157,11 @@ func (o EventTypeImportOpenApiIn) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.DryRun) {
 		toSerialize["dry_run"] = o.DryRun
 	}
-	if o.Spec != nil {
+	if !IsNil(o.Spec) {
 		toSerialize["spec"] = o.Spec
 	}
-	if o.SpecRaw.IsSet() {
-		toSerialize["specRaw"] = o.SpecRaw.Get()
+	if !IsNil(o.SpecRaw) {
+		toSerialize["specRaw"] = o.SpecRaw
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_event_type_import_open_api_out_data.go b/go/internal/openapi/model_event_type_import_open_api_out_data.go
index d3a56fb80..696e67f3c 100644
--- a/go/internal/openapi/model_event_type_import_open_api_out_data.go
+++ b/go/internal/openapi/model_event_type_import_open_api_out_data.go
@@ -69,9 +69,9 @@ func (o *EventTypeImportOpenApiOutData) SetModified(v []string) {
 	o.Modified = v
 }
 
-// GetToModify returns the ToModify field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetToModify returns the ToModify field value if set, zero value otherwise.
 func (o *EventTypeImportOpenApiOutData) GetToModify() []EventTypeFromOpenApi {
-	if o == nil {
+	if o == nil || IsNil(o.ToModify) {
 		var ret []EventTypeFromOpenApi
 		return ret
 	}
@@ -80,7 +80,6 @@ func (o *EventTypeImportOpenApiOutData) GetToModify() []EventTypeFromOpenApi {
 
 // GetToModifyOk returns a tuple with the ToModify field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeImportOpenApiOutData) GetToModifyOk() ([]EventTypeFromOpenApi, bool) {
 	if o == nil || IsNil(o.ToModify) {
 		return nil, false
@@ -113,7 +112,7 @@ func (o EventTypeImportOpenApiOutData) MarshalJSON() ([]byte, error) {
 func (o EventTypeImportOpenApiOutData) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["modified"] = o.Modified
-	if o.ToModify != nil {
+	if !IsNil(o.ToModify) {
 		toSerialize["to_modify"] = o.ToModify
 	}
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_event_type_in.go b/go/internal/openapi/model_event_type_in.go
index c426625a3..50edd7927 100644
--- a/go/internal/openapi/model_event_type_in.go
+++ b/go/internal/openapi/model_event_type_in.go
@@ -24,9 +24,9 @@ type EventTypeIn struct {
 	Archived *bool `json:"archived,omitempty"`
 	Deprecated *bool `json:"deprecated,omitempty"`
 	Description string `json:"description"`
-	FeatureFlag NullableString `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	FeatureFlag *string `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The event type group's name
-	GroupName NullableString `json:"groupName,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	GroupName *string `json:"groupName,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The event type's name
 	Name string `json:"name" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The schema for the event type for a specific version as a JSON schema.
@@ -150,88 +150,68 @@ func (o *EventTypeIn) SetDescription(v string) {
 	o.Description = v
 }
 
-// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise.
 func (o *EventTypeIn) GetFeatureFlag() string {
-	if o == nil || IsNil(o.FeatureFlag.Get()) {
+	if o == nil || IsNil(o.FeatureFlag) {
 		var ret string
 		return ret
 	}
-	return *o.FeatureFlag.Get()
+	return *o.FeatureFlag
 }
 
 // GetFeatureFlagOk returns a tuple with the FeatureFlag field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeIn) GetFeatureFlagOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.FeatureFlag) {
 		return nil, false
 	}
-	return o.FeatureFlag.Get(), o.FeatureFlag.IsSet()
+	return o.FeatureFlag, true
 }
 
 // HasFeatureFlag returns a boolean if a field has been set.
 func (o *EventTypeIn) HasFeatureFlag() bool {
-	if o != nil && o.FeatureFlag.IsSet() {
+	if o != nil && !IsNil(o.FeatureFlag) {
 		return true
 	}
 
 	return false
 }
 
-// SetFeatureFlag gets a reference to the given NullableString and assigns it to the FeatureFlag field.
+// SetFeatureFlag gets a reference to the given string and assigns it to the FeatureFlag field.
 func (o *EventTypeIn) SetFeatureFlag(v string) {
-	o.FeatureFlag.Set(&v)
-}
-// SetFeatureFlagNil sets the value for FeatureFlag to be an explicit nil
-func (o *EventTypeIn) SetFeatureFlagNil() {
-	o.FeatureFlag.Set(nil)
+	o.FeatureFlag = &v
 }
 
-// UnsetFeatureFlag ensures that no value is present for FeatureFlag, not even an explicit nil
-func (o *EventTypeIn) UnsetFeatureFlag() {
-	o.FeatureFlag.Unset()
-}
-
-// GetGroupName returns the GroupName field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetGroupName returns the GroupName field value if set, zero value otherwise.
 func (o *EventTypeIn) GetGroupName() string {
-	if o == nil || IsNil(o.GroupName.Get()) {
+	if o == nil || IsNil(o.GroupName) {
 		var ret string
 		return ret
 	}
-	return *o.GroupName.Get()
+	return *o.GroupName
 }
 
 // GetGroupNameOk returns a tuple with the GroupName field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeIn) GetGroupNameOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.GroupName) {
 		return nil, false
 	}
-	return o.GroupName.Get(), o.GroupName.IsSet()
+	return o.GroupName, true
 }
 
 // HasGroupName returns a boolean if a field has been set.
 func (o *EventTypeIn) HasGroupName() bool {
-	if o != nil && o.GroupName.IsSet() {
+	if o != nil && !IsNil(o.GroupName) {
 		return true
 	}
 
 	return false
 }
 
-// SetGroupName gets a reference to the given NullableString and assigns it to the GroupName field.
+// SetGroupName gets a reference to the given string and assigns it to the GroupName field.
 func (o *EventTypeIn) SetGroupName(v string) {
-	o.GroupName.Set(&v)
-}
-// SetGroupNameNil sets the value for GroupName to be an explicit nil
-func (o *EventTypeIn) SetGroupNameNil() {
-	o.GroupName.Set(nil)
-}
-
-// UnsetGroupName ensures that no value is present for GroupName, not even an explicit nil
-func (o *EventTypeIn) UnsetGroupName() {
-	o.GroupName.Unset()
+	o.GroupName = &v
 }
 
 // GetName returns the Name field value
@@ -258,9 +238,9 @@ func (o *EventTypeIn) SetName(v string) {
 	o.Name = v
 }
 
-// GetSchemas returns the Schemas field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetSchemas returns the Schemas field value if set, zero value otherwise.
 func (o *EventTypeIn) GetSchemas() map[string]map[string]interface{} {
-	if o == nil {
+	if o == nil || IsNil(o.Schemas) {
 		var ret map[string]map[string]interface{}
 		return ret
 	}
@@ -269,7 +249,6 @@ func (o *EventTypeIn) GetSchemas() map[string]map[string]interface{} {
 
 // GetSchemasOk returns a tuple with the Schemas field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeIn) GetSchemasOk() (map[string]map[string]interface{}, bool) {
 	if o == nil || IsNil(o.Schemas) {
 		return map[string]map[string]interface{}{}, false
@@ -308,14 +287,14 @@ func (o EventTypeIn) ToMap() (map[string]interface{}, error) {
 		toSerialize["deprecated"] = o.Deprecated
 	}
 	toSerialize["description"] = o.Description
-	if o.FeatureFlag.IsSet() {
-		toSerialize["featureFlag"] = o.FeatureFlag.Get()
+	if !IsNil(o.FeatureFlag) {
+		toSerialize["featureFlag"] = o.FeatureFlag
 	}
-	if o.GroupName.IsSet() {
-		toSerialize["groupName"] = o.GroupName.Get()
+	if !IsNil(o.GroupName) {
+		toSerialize["groupName"] = o.GroupName
 	}
 	toSerialize["name"] = o.Name
-	if o.Schemas != nil {
+	if !IsNil(o.Schemas) {
 		toSerialize["schemas"] = o.Schemas
 	}
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_event_type_out.go b/go/internal/openapi/model_event_type_out.go
index 3cbbd0277..0ede7cbc0 100644
--- a/go/internal/openapi/model_event_type_out.go
+++ b/go/internal/openapi/model_event_type_out.go
@@ -26,9 +26,9 @@ type EventTypeOut struct {
 	CreatedAt time.Time `json:"createdAt"`
 	Deprecated bool `json:"deprecated"`
 	Description string `json:"description"`
-	FeatureFlag NullableString `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	FeatureFlag *string `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The event type group's name
-	GroupName NullableString `json:"groupName,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	GroupName *string `json:"groupName,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The event type's name
 	Name string `json:"name" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The schema for the event type for a specific version as a JSON schema.
@@ -168,88 +168,68 @@ func (o *EventTypeOut) SetDescription(v string) {
 	o.Description = v
 }
 
-// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise.
 func (o *EventTypeOut) GetFeatureFlag() string {
-	if o == nil || IsNil(o.FeatureFlag.Get()) {
+	if o == nil || IsNil(o.FeatureFlag) {
 		var ret string
 		return ret
 	}
-	return *o.FeatureFlag.Get()
+	return *o.FeatureFlag
 }
 
 // GetFeatureFlagOk returns a tuple with the FeatureFlag field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeOut) GetFeatureFlagOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.FeatureFlag) {
 		return nil, false
 	}
-	return o.FeatureFlag.Get(), o.FeatureFlag.IsSet()
+	return o.FeatureFlag, true
 }
 
 // HasFeatureFlag returns a boolean if a field has been set.
 func (o *EventTypeOut) HasFeatureFlag() bool {
-	if o != nil && o.FeatureFlag.IsSet() {
+	if o != nil && !IsNil(o.FeatureFlag) {
 		return true
 	}
 
 	return false
 }
 
-// SetFeatureFlag gets a reference to the given NullableString and assigns it to the FeatureFlag field.
+// SetFeatureFlag gets a reference to the given string and assigns it to the FeatureFlag field.
 func (o *EventTypeOut) SetFeatureFlag(v string) {
-	o.FeatureFlag.Set(&v)
-}
-// SetFeatureFlagNil sets the value for FeatureFlag to be an explicit nil
-func (o *EventTypeOut) SetFeatureFlagNil() {
-	o.FeatureFlag.Set(nil)
+	o.FeatureFlag = &v
 }
 
-// UnsetFeatureFlag ensures that no value is present for FeatureFlag, not even an explicit nil
-func (o *EventTypeOut) UnsetFeatureFlag() {
-	o.FeatureFlag.Unset()
-}
-
-// GetGroupName returns the GroupName field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetGroupName returns the GroupName field value if set, zero value otherwise.
 func (o *EventTypeOut) GetGroupName() string {
-	if o == nil || IsNil(o.GroupName.Get()) {
+	if o == nil || IsNil(o.GroupName) {
 		var ret string
 		return ret
 	}
-	return *o.GroupName.Get()
+	return *o.GroupName
 }
 
 // GetGroupNameOk returns a tuple with the GroupName field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeOut) GetGroupNameOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.GroupName) {
 		return nil, false
 	}
-	return o.GroupName.Get(), o.GroupName.IsSet()
+	return o.GroupName, true
 }
 
 // HasGroupName returns a boolean if a field has been set.
 func (o *EventTypeOut) HasGroupName() bool {
-	if o != nil && o.GroupName.IsSet() {
+	if o != nil && !IsNil(o.GroupName) {
 		return true
 	}
 
 	return false
 }
 
-// SetGroupName gets a reference to the given NullableString and assigns it to the GroupName field.
+// SetGroupName gets a reference to the given string and assigns it to the GroupName field.
 func (o *EventTypeOut) SetGroupName(v string) {
-	o.GroupName.Set(&v)
-}
-// SetGroupNameNil sets the value for GroupName to be an explicit nil
-func (o *EventTypeOut) SetGroupNameNil() {
-	o.GroupName.Set(nil)
-}
-
-// UnsetGroupName ensures that no value is present for GroupName, not even an explicit nil
-func (o *EventTypeOut) UnsetGroupName() {
-	o.GroupName.Unset()
+	o.GroupName = &v
 }
 
 // GetName returns the Name field value
@@ -276,9 +256,9 @@ func (o *EventTypeOut) SetName(v string) {
 	o.Name = v
 }
 
-// GetSchemas returns the Schemas field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetSchemas returns the Schemas field value if set, zero value otherwise.
 func (o *EventTypeOut) GetSchemas() map[string]map[string]interface{} {
-	if o == nil {
+	if o == nil || IsNil(o.Schemas) {
 		var ret map[string]map[string]interface{}
 		return ret
 	}
@@ -287,7 +267,6 @@ func (o *EventTypeOut) GetSchemas() map[string]map[string]interface{} {
 
 // GetSchemasOk returns a tuple with the Schemas field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeOut) GetSchemasOk() (map[string]map[string]interface{}, bool) {
 	if o == nil || IsNil(o.Schemas) {
 		return map[string]map[string]interface{}{}, false
@@ -349,14 +328,14 @@ func (o EventTypeOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["createdAt"] = o.CreatedAt
 	toSerialize["deprecated"] = o.Deprecated
 	toSerialize["description"] = o.Description
-	if o.FeatureFlag.IsSet() {
-		toSerialize["featureFlag"] = o.FeatureFlag.Get()
+	if !IsNil(o.FeatureFlag) {
+		toSerialize["featureFlag"] = o.FeatureFlag
 	}
-	if o.GroupName.IsSet() {
-		toSerialize["groupName"] = o.GroupName.Get()
+	if !IsNil(o.GroupName) {
+		toSerialize["groupName"] = o.GroupName
 	}
 	toSerialize["name"] = o.Name
-	if o.Schemas != nil {
+	if !IsNil(o.Schemas) {
 		toSerialize["schemas"] = o.Schemas
 	}
 	toSerialize["updatedAt"] = o.UpdatedAt
diff --git a/go/internal/openapi/model_event_type_update.go b/go/internal/openapi/model_event_type_update.go
index 8c505e54b..cc74aee29 100644
--- a/go/internal/openapi/model_event_type_update.go
+++ b/go/internal/openapi/model_event_type_update.go
@@ -24,9 +24,9 @@ type EventTypeUpdate struct {
 	Archived *bool `json:"archived,omitempty"`
 	Deprecated *bool `json:"deprecated,omitempty"`
 	Description string `json:"description"`
-	FeatureFlag NullableString `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	FeatureFlag *string `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The event type group's name
-	GroupName NullableString `json:"groupName,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	GroupName *string `json:"groupName,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The schema for the event type for a specific version as a JSON schema.
 	Schemas map[string]map[string]interface{} `json:"schemas,omitempty"`
 }
@@ -147,93 +147,73 @@ func (o *EventTypeUpdate) SetDescription(v string) {
 	o.Description = v
 }
 
-// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise.
 func (o *EventTypeUpdate) GetFeatureFlag() string {
-	if o == nil || IsNil(o.FeatureFlag.Get()) {
+	if o == nil || IsNil(o.FeatureFlag) {
 		var ret string
 		return ret
 	}
-	return *o.FeatureFlag.Get()
+	return *o.FeatureFlag
 }
 
 // GetFeatureFlagOk returns a tuple with the FeatureFlag field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeUpdate) GetFeatureFlagOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.FeatureFlag) {
 		return nil, false
 	}
-	return o.FeatureFlag.Get(), o.FeatureFlag.IsSet()
+	return o.FeatureFlag, true
 }
 
 // HasFeatureFlag returns a boolean if a field has been set.
 func (o *EventTypeUpdate) HasFeatureFlag() bool {
-	if o != nil && o.FeatureFlag.IsSet() {
+	if o != nil && !IsNil(o.FeatureFlag) {
 		return true
 	}
 
 	return false
 }
 
-// SetFeatureFlag gets a reference to the given NullableString and assigns it to the FeatureFlag field.
+// SetFeatureFlag gets a reference to the given string and assigns it to the FeatureFlag field.
 func (o *EventTypeUpdate) SetFeatureFlag(v string) {
-	o.FeatureFlag.Set(&v)
-}
-// SetFeatureFlagNil sets the value for FeatureFlag to be an explicit nil
-func (o *EventTypeUpdate) SetFeatureFlagNil() {
-	o.FeatureFlag.Set(nil)
+	o.FeatureFlag = &v
 }
 
-// UnsetFeatureFlag ensures that no value is present for FeatureFlag, not even an explicit nil
-func (o *EventTypeUpdate) UnsetFeatureFlag() {
-	o.FeatureFlag.Unset()
-}
-
-// GetGroupName returns the GroupName field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetGroupName returns the GroupName field value if set, zero value otherwise.
 func (o *EventTypeUpdate) GetGroupName() string {
-	if o == nil || IsNil(o.GroupName.Get()) {
+	if o == nil || IsNil(o.GroupName) {
 		var ret string
 		return ret
 	}
-	return *o.GroupName.Get()
+	return *o.GroupName
 }
 
 // GetGroupNameOk returns a tuple with the GroupName field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeUpdate) GetGroupNameOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.GroupName) {
 		return nil, false
 	}
-	return o.GroupName.Get(), o.GroupName.IsSet()
+	return o.GroupName, true
 }
 
 // HasGroupName returns a boolean if a field has been set.
 func (o *EventTypeUpdate) HasGroupName() bool {
-	if o != nil && o.GroupName.IsSet() {
+	if o != nil && !IsNil(o.GroupName) {
 		return true
 	}
 
 	return false
 }
 
-// SetGroupName gets a reference to the given NullableString and assigns it to the GroupName field.
+// SetGroupName gets a reference to the given string and assigns it to the GroupName field.
 func (o *EventTypeUpdate) SetGroupName(v string) {
-	o.GroupName.Set(&v)
-}
-// SetGroupNameNil sets the value for GroupName to be an explicit nil
-func (o *EventTypeUpdate) SetGroupNameNil() {
-	o.GroupName.Set(nil)
-}
-
-// UnsetGroupName ensures that no value is present for GroupName, not even an explicit nil
-func (o *EventTypeUpdate) UnsetGroupName() {
-	o.GroupName.Unset()
+	o.GroupName = &v
 }
 
-// GetSchemas returns the Schemas field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetSchemas returns the Schemas field value if set, zero value otherwise.
 func (o *EventTypeUpdate) GetSchemas() map[string]map[string]interface{} {
-	if o == nil {
+	if o == nil || IsNil(o.Schemas) {
 		var ret map[string]map[string]interface{}
 		return ret
 	}
@@ -242,7 +222,6 @@ func (o *EventTypeUpdate) GetSchemas() map[string]map[string]interface{} {
 
 // GetSchemasOk returns a tuple with the Schemas field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *EventTypeUpdate) GetSchemasOk() (map[string]map[string]interface{}, bool) {
 	if o == nil || IsNil(o.Schemas) {
 		return map[string]map[string]interface{}{}, false
@@ -281,13 +260,13 @@ func (o EventTypeUpdate) ToMap() (map[string]interface{}, error) {
 		toSerialize["deprecated"] = o.Deprecated
 	}
 	toSerialize["description"] = o.Description
-	if o.FeatureFlag.IsSet() {
-		toSerialize["featureFlag"] = o.FeatureFlag.Get()
+	if !IsNil(o.FeatureFlag) {
+		toSerialize["featureFlag"] = o.FeatureFlag
 	}
-	if o.GroupName.IsSet() {
-		toSerialize["groupName"] = o.GroupName.Get()
+	if !IsNil(o.GroupName) {
+		toSerialize["groupName"] = o.GroupName
 	}
-	if o.Schemas != nil {
+	if !IsNil(o.Schemas) {
 		toSerialize["schemas"] = o.Schemas
 	}
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_font_size_config.go b/go/internal/openapi/model_font_size_config.go
index 7adff4080..064c084de 100644
--- a/go/internal/openapi/model_font_size_config.go
+++ b/go/internal/openapi/model_font_size_config.go
@@ -19,7 +19,7 @@ var _ MappedNullable = &FontSizeConfig{}
 
 // FontSizeConfig struct for FontSizeConfig
 type FontSizeConfig struct {
-	Base NullableInt32 `json:"base,omitempty"`
+	Base *int32 `json:"base,omitempty"`
 }
 
 // NewFontSizeConfig instantiates a new FontSizeConfig object
@@ -39,46 +39,36 @@ func NewFontSizeConfigWithDefaults() *FontSizeConfig {
 	return &this
 }
 
-// GetBase returns the Base field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetBase returns the Base field value if set, zero value otherwise.
 func (o *FontSizeConfig) GetBase() int32 {
-	if o == nil || IsNil(o.Base.Get()) {
+	if o == nil || IsNil(o.Base) {
 		var ret int32
 		return ret
 	}
-	return *o.Base.Get()
+	return *o.Base
 }
 
 // GetBaseOk returns a tuple with the Base field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *FontSizeConfig) GetBaseOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Base) {
 		return nil, false
 	}
-	return o.Base.Get(), o.Base.IsSet()
+	return o.Base, true
 }
 
 // HasBase returns a boolean if a field has been set.
 func (o *FontSizeConfig) HasBase() bool {
-	if o != nil && o.Base.IsSet() {
+	if o != nil && !IsNil(o.Base) {
 		return true
 	}
 
 	return false
 }
 
-// SetBase gets a reference to the given NullableInt32 and assigns it to the Base field.
+// SetBase gets a reference to the given int32 and assigns it to the Base field.
 func (o *FontSizeConfig) SetBase(v int32) {
-	o.Base.Set(&v)
-}
-// SetBaseNil sets the value for Base to be an explicit nil
-func (o *FontSizeConfig) SetBaseNil() {
-	o.Base.Set(nil)
-}
-
-// UnsetBase ensures that no value is present for Base, not even an explicit nil
-func (o *FontSizeConfig) UnsetBase() {
-	o.Base.Unset()
+	o.Base = &v
 }
 
 func (o FontSizeConfig) MarshalJSON() ([]byte, error) {
@@ -91,8 +81,8 @@ func (o FontSizeConfig) MarshalJSON() ([]byte, error) {
 
 func (o FontSizeConfig) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Base.IsSet() {
-		toSerialize["base"] = o.Base.Get()
+	if !IsNil(o.Base) {
+		toSerialize["base"] = o.Base
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_incoming_webhook_payload_out.go b/go/internal/openapi/model_incoming_webhook_payload_out.go
index f585d224c..ff3cd3cba 100644
--- a/go/internal/openapi/model_incoming_webhook_payload_out.go
+++ b/go/internal/openapi/model_incoming_webhook_payload_out.go
@@ -19,9 +19,9 @@ var _ MappedNullable = &IncomingWebhookPayloadOut{}
 
 // IncomingWebhookPayloadOut struct for IncomingWebhookPayloadOut
 type IncomingWebhookPayloadOut struct {
-	Channel NullableString `json:"channel,omitempty"`
-	Error NullableString `json:"error,omitempty"`
-	IncomingWebhookUrl NullableString `json:"incomingWebhookUrl,omitempty"`
+	Channel *string `json:"channel,omitempty"`
+	Error *string `json:"error,omitempty"`
+	IncomingWebhookUrl *string `json:"incomingWebhookUrl,omitempty"`
 }
 
 // NewIncomingWebhookPayloadOut instantiates a new IncomingWebhookPayloadOut object
@@ -41,130 +41,100 @@ func NewIncomingWebhookPayloadOutWithDefaults() *IncomingWebhookPayloadOut {
 	return &this
 }
 
-// GetChannel returns the Channel field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannel returns the Channel field value if set, zero value otherwise.
 func (o *IncomingWebhookPayloadOut) GetChannel() string {
-	if o == nil || IsNil(o.Channel.Get()) {
+	if o == nil || IsNil(o.Channel) {
 		var ret string
 		return ret
 	}
-	return *o.Channel.Get()
+	return *o.Channel
 }
 
 // GetChannelOk returns a tuple with the Channel field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *IncomingWebhookPayloadOut) GetChannelOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Channel) {
 		return nil, false
 	}
-	return o.Channel.Get(), o.Channel.IsSet()
+	return o.Channel, true
 }
 
 // HasChannel returns a boolean if a field has been set.
 func (o *IncomingWebhookPayloadOut) HasChannel() bool {
-	if o != nil && o.Channel.IsSet() {
+	if o != nil && !IsNil(o.Channel) {
 		return true
 	}
 
 	return false
 }
 
-// SetChannel gets a reference to the given NullableString and assigns it to the Channel field.
+// SetChannel gets a reference to the given string and assigns it to the Channel field.
 func (o *IncomingWebhookPayloadOut) SetChannel(v string) {
-	o.Channel.Set(&v)
-}
-// SetChannelNil sets the value for Channel to be an explicit nil
-func (o *IncomingWebhookPayloadOut) SetChannelNil() {
-	o.Channel.Set(nil)
-}
-
-// UnsetChannel ensures that no value is present for Channel, not even an explicit nil
-func (o *IncomingWebhookPayloadOut) UnsetChannel() {
-	o.Channel.Unset()
+	o.Channel = &v
 }
 
-// GetError returns the Error field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetError returns the Error field value if set, zero value otherwise.
 func (o *IncomingWebhookPayloadOut) GetError() string {
-	if o == nil || IsNil(o.Error.Get()) {
+	if o == nil || IsNil(o.Error) {
 		var ret string
 		return ret
 	}
-	return *o.Error.Get()
+	return *o.Error
 }
 
 // GetErrorOk returns a tuple with the Error field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *IncomingWebhookPayloadOut) GetErrorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Error) {
 		return nil, false
 	}
-	return o.Error.Get(), o.Error.IsSet()
+	return o.Error, true
 }
 
 // HasError returns a boolean if a field has been set.
 func (o *IncomingWebhookPayloadOut) HasError() bool {
-	if o != nil && o.Error.IsSet() {
+	if o != nil && !IsNil(o.Error) {
 		return true
 	}
 
 	return false
 }
 
-// SetError gets a reference to the given NullableString and assigns it to the Error field.
+// SetError gets a reference to the given string and assigns it to the Error field.
 func (o *IncomingWebhookPayloadOut) SetError(v string) {
-	o.Error.Set(&v)
-}
-// SetErrorNil sets the value for Error to be an explicit nil
-func (o *IncomingWebhookPayloadOut) SetErrorNil() {
-	o.Error.Set(nil)
+	o.Error = &v
 }
 
-// UnsetError ensures that no value is present for Error, not even an explicit nil
-func (o *IncomingWebhookPayloadOut) UnsetError() {
-	o.Error.Unset()
-}
-
-// GetIncomingWebhookUrl returns the IncomingWebhookUrl field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetIncomingWebhookUrl returns the IncomingWebhookUrl field value if set, zero value otherwise.
 func (o *IncomingWebhookPayloadOut) GetIncomingWebhookUrl() string {
-	if o == nil || IsNil(o.IncomingWebhookUrl.Get()) {
+	if o == nil || IsNil(o.IncomingWebhookUrl) {
 		var ret string
 		return ret
 	}
-	return *o.IncomingWebhookUrl.Get()
+	return *o.IncomingWebhookUrl
 }
 
 // GetIncomingWebhookUrlOk returns a tuple with the IncomingWebhookUrl field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *IncomingWebhookPayloadOut) GetIncomingWebhookUrlOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.IncomingWebhookUrl) {
 		return nil, false
 	}
-	return o.IncomingWebhookUrl.Get(), o.IncomingWebhookUrl.IsSet()
+	return o.IncomingWebhookUrl, true
 }
 
 // HasIncomingWebhookUrl returns a boolean if a field has been set.
 func (o *IncomingWebhookPayloadOut) HasIncomingWebhookUrl() bool {
-	if o != nil && o.IncomingWebhookUrl.IsSet() {
+	if o != nil && !IsNil(o.IncomingWebhookUrl) {
 		return true
 	}
 
 	return false
 }
 
-// SetIncomingWebhookUrl gets a reference to the given NullableString and assigns it to the IncomingWebhookUrl field.
+// SetIncomingWebhookUrl gets a reference to the given string and assigns it to the IncomingWebhookUrl field.
 func (o *IncomingWebhookPayloadOut) SetIncomingWebhookUrl(v string) {
-	o.IncomingWebhookUrl.Set(&v)
-}
-// SetIncomingWebhookUrlNil sets the value for IncomingWebhookUrl to be an explicit nil
-func (o *IncomingWebhookPayloadOut) SetIncomingWebhookUrlNil() {
-	o.IncomingWebhookUrl.Set(nil)
-}
-
-// UnsetIncomingWebhookUrl ensures that no value is present for IncomingWebhookUrl, not even an explicit nil
-func (o *IncomingWebhookPayloadOut) UnsetIncomingWebhookUrl() {
-	o.IncomingWebhookUrl.Unset()
+	o.IncomingWebhookUrl = &v
 }
 
 func (o IncomingWebhookPayloadOut) MarshalJSON() ([]byte, error) {
@@ -177,14 +147,14 @@ func (o IncomingWebhookPayloadOut) MarshalJSON() ([]byte, error) {
 
 func (o IncomingWebhookPayloadOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Channel.IsSet() {
-		toSerialize["channel"] = o.Channel.Get()
+	if !IsNil(o.Channel) {
+		toSerialize["channel"] = o.Channel
 	}
-	if o.Error.IsSet() {
-		toSerialize["error"] = o.Error.Get()
+	if !IsNil(o.Error) {
+		toSerialize["error"] = o.Error
 	}
-	if o.IncomingWebhookUrl.IsSet() {
-		toSerialize["incomingWebhookUrl"] = o.IncomingWebhookUrl.Get()
+	if !IsNil(o.IncomingWebhookUrl) {
+		toSerialize["incomingWebhookUrl"] = o.IncomingWebhookUrl
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_application_out_.go b/go/internal/openapi/model_list_response_application_out_.go
index 293fd123e..7467e595b 100644
--- a/go/internal/openapi/model_list_response_application_out_.go
+++ b/go/internal/openapi/model_list_response_application_out_.go
@@ -24,7 +24,7 @@ type ListResponseApplicationOut struct {
 	Data []ApplicationOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseApplicationOut ListResponseApplicationOut
@@ -123,46 +123,36 @@ func (o *ListResponseApplicationOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseApplicationOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseApplicationOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseApplicationOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseApplicationOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseApplicationOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseApplicationOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseApplicationOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseApplicationOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_application_stats_.go b/go/internal/openapi/model_list_response_application_stats_.go
index a143249ad..be731cb9d 100644
--- a/go/internal/openapi/model_list_response_application_stats_.go
+++ b/go/internal/openapi/model_list_response_application_stats_.go
@@ -24,7 +24,7 @@ type ListResponseApplicationStats struct {
 	Data []ApplicationStats `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseApplicationStats ListResponseApplicationStats
@@ -123,46 +123,36 @@ func (o *ListResponseApplicationStats) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseApplicationStats) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseApplicationStats) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseApplicationStats) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseApplicationStats) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseApplicationStats) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseApplicationStats) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseApplicationStats) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseApplicationStats) ToMap() (map[string]interface{}, error) {
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_background_task_out_.go b/go/internal/openapi/model_list_response_background_task_out_.go
index 007c7978f..c42ddbfb8 100644
--- a/go/internal/openapi/model_list_response_background_task_out_.go
+++ b/go/internal/openapi/model_list_response_background_task_out_.go
@@ -24,7 +24,7 @@ type ListResponseBackgroundTaskOut struct {
 	Data []BackgroundTaskOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseBackgroundTaskOut ListResponseBackgroundTaskOut
@@ -123,46 +123,36 @@ func (o *ListResponseBackgroundTaskOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseBackgroundTaskOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseBackgroundTaskOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseBackgroundTaskOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseBackgroundTaskOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseBackgroundTaskOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseBackgroundTaskOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseBackgroundTaskOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseBackgroundTaskOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_endpoint_message_out_.go b/go/internal/openapi/model_list_response_endpoint_message_out_.go
index f5a5466cf..de2930729 100644
--- a/go/internal/openapi/model_list_response_endpoint_message_out_.go
+++ b/go/internal/openapi/model_list_response_endpoint_message_out_.go
@@ -24,7 +24,7 @@ type ListResponseEndpointMessageOut struct {
 	Data []EndpointMessageOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseEndpointMessageOut ListResponseEndpointMessageOut
@@ -123,46 +123,36 @@ func (o *ListResponseEndpointMessageOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseEndpointMessageOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseEndpointMessageOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseEndpointMessageOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseEndpointMessageOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseEndpointMessageOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseEndpointMessageOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseEndpointMessageOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseEndpointMessageOut) ToMap() (map[string]interface{}, error)
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_endpoint_out_.go b/go/internal/openapi/model_list_response_endpoint_out_.go
index a49850468..de0eb4951 100644
--- a/go/internal/openapi/model_list_response_endpoint_out_.go
+++ b/go/internal/openapi/model_list_response_endpoint_out_.go
@@ -24,7 +24,7 @@ type ListResponseEndpointOut struct {
 	Data []EndpointOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseEndpointOut ListResponseEndpointOut
@@ -123,46 +123,36 @@ func (o *ListResponseEndpointOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseEndpointOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseEndpointOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseEndpointOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseEndpointOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseEndpointOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseEndpointOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseEndpointOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseEndpointOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_event_type_out_.go b/go/internal/openapi/model_list_response_event_type_out_.go
index 5ecd90eb4..68762285d 100644
--- a/go/internal/openapi/model_list_response_event_type_out_.go
+++ b/go/internal/openapi/model_list_response_event_type_out_.go
@@ -24,7 +24,7 @@ type ListResponseEventTypeOut struct {
 	Data []EventTypeOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseEventTypeOut ListResponseEventTypeOut
@@ -123,46 +123,36 @@ func (o *ListResponseEventTypeOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseEventTypeOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseEventTypeOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseEventTypeOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseEventTypeOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseEventTypeOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseEventTypeOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseEventTypeOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseEventTypeOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_integration_out_.go b/go/internal/openapi/model_list_response_integration_out_.go
index 90d222012..f1743ee91 100644
--- a/go/internal/openapi/model_list_response_integration_out_.go
+++ b/go/internal/openapi/model_list_response_integration_out_.go
@@ -24,7 +24,7 @@ type ListResponseIntegrationOut struct {
 	Data []IntegrationOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseIntegrationOut ListResponseIntegrationOut
@@ -123,46 +123,36 @@ func (o *ListResponseIntegrationOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseIntegrationOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseIntegrationOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseIntegrationOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseIntegrationOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseIntegrationOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseIntegrationOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseIntegrationOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseIntegrationOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_message_attempt_endpoint_out_.go b/go/internal/openapi/model_list_response_message_attempt_endpoint_out_.go
index a1345bd93..2dba424a7 100644
--- a/go/internal/openapi/model_list_response_message_attempt_endpoint_out_.go
+++ b/go/internal/openapi/model_list_response_message_attempt_endpoint_out_.go
@@ -24,7 +24,7 @@ type ListResponseMessageAttemptEndpointOut struct {
 	Data []MessageAttemptEndpointOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseMessageAttemptEndpointOut ListResponseMessageAttemptEndpointOut
@@ -123,46 +123,36 @@ func (o *ListResponseMessageAttemptEndpointOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseMessageAttemptEndpointOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseMessageAttemptEndpointOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseMessageAttemptEndpointOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseMessageAttemptEndpointOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseMessageAttemptEndpointOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseMessageAttemptEndpointOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseMessageAttemptEndpointOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseMessageAttemptEndpointOut) ToMap() (map[string]interface{},
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_message_attempt_out_.go b/go/internal/openapi/model_list_response_message_attempt_out_.go
index b17a92a98..099b0c9d3 100644
--- a/go/internal/openapi/model_list_response_message_attempt_out_.go
+++ b/go/internal/openapi/model_list_response_message_attempt_out_.go
@@ -24,7 +24,7 @@ type ListResponseMessageAttemptOut struct {
 	Data []MessageAttemptOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseMessageAttemptOut ListResponseMessageAttemptOut
@@ -123,46 +123,36 @@ func (o *ListResponseMessageAttemptOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseMessageAttemptOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseMessageAttemptOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseMessageAttemptOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseMessageAttemptOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseMessageAttemptOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseMessageAttemptOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseMessageAttemptOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseMessageAttemptOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_message_endpoint_out_.go b/go/internal/openapi/model_list_response_message_endpoint_out_.go
index d7382d6db..cd1d72780 100644
--- a/go/internal/openapi/model_list_response_message_endpoint_out_.go
+++ b/go/internal/openapi/model_list_response_message_endpoint_out_.go
@@ -24,7 +24,7 @@ type ListResponseMessageEndpointOut struct {
 	Data []MessageEndpointOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseMessageEndpointOut ListResponseMessageEndpointOut
@@ -123,46 +123,36 @@ func (o *ListResponseMessageEndpointOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseMessageEndpointOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseMessageEndpointOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseMessageEndpointOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseMessageEndpointOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseMessageEndpointOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseMessageEndpointOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseMessageEndpointOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseMessageEndpointOut) ToMap() (map[string]interface{}, error)
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_message_out_.go b/go/internal/openapi/model_list_response_message_out_.go
index f3c29cec6..b73012a1f 100644
--- a/go/internal/openapi/model_list_response_message_out_.go
+++ b/go/internal/openapi/model_list_response_message_out_.go
@@ -24,7 +24,7 @@ type ListResponseMessageOut struct {
 	Data []MessageOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseMessageOut ListResponseMessageOut
@@ -123,46 +123,36 @@ func (o *ListResponseMessageOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseMessageOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseMessageOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseMessageOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseMessageOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseMessageOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseMessageOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseMessageOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseMessageOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_operational_webhook_endpoint_out_.go b/go/internal/openapi/model_list_response_operational_webhook_endpoint_out_.go
index ae4dbd518..42bf99370 100644
--- a/go/internal/openapi/model_list_response_operational_webhook_endpoint_out_.go
+++ b/go/internal/openapi/model_list_response_operational_webhook_endpoint_out_.go
@@ -24,7 +24,7 @@ type ListResponseOperationalWebhookEndpointOut struct {
 	Data []OperationalWebhookEndpointOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseOperationalWebhookEndpointOut ListResponseOperationalWebhookEndpointOut
@@ -123,46 +123,36 @@ func (o *ListResponseOperationalWebhookEndpointOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseOperationalWebhookEndpointOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseOperationalWebhookEndpointOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseOperationalWebhookEndpointOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseOperationalWebhookEndpointOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseOperationalWebhookEndpointOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseOperationalWebhookEndpointOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseOperationalWebhookEndpointOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseOperationalWebhookEndpointOut) ToMap() (map[string]interface
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_sink_out_.go b/go/internal/openapi/model_list_response_sink_out_.go
index 3d0cc7978..f0a9aec0c 100644
--- a/go/internal/openapi/model_list_response_sink_out_.go
+++ b/go/internal/openapi/model_list_response_sink_out_.go
@@ -24,7 +24,7 @@ type ListResponseSinkOut struct {
 	Data []SinkOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseSinkOut ListResponseSinkOut
@@ -123,46 +123,36 @@ func (o *ListResponseSinkOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseSinkOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseSinkOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseSinkOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseSinkOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseSinkOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseSinkOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseSinkOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseSinkOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_stream_event_type_out_.go b/go/internal/openapi/model_list_response_stream_event_type_out_.go
index 10123ac62..46e79258a 100644
--- a/go/internal/openapi/model_list_response_stream_event_type_out_.go
+++ b/go/internal/openapi/model_list_response_stream_event_type_out_.go
@@ -24,7 +24,7 @@ type ListResponseStreamEventTypeOut struct {
 	Data []StreamEventTypeOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseStreamEventTypeOut ListResponseStreamEventTypeOut
@@ -123,46 +123,36 @@ func (o *ListResponseStreamEventTypeOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseStreamEventTypeOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseStreamEventTypeOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseStreamEventTypeOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseStreamEventTypeOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseStreamEventTypeOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseStreamEventTypeOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseStreamEventTypeOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseStreamEventTypeOut) ToMap() (map[string]interface{}, error)
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_stream_out_.go b/go/internal/openapi/model_list_response_stream_out_.go
index 22f6b7d25..b51caf037 100644
--- a/go/internal/openapi/model_list_response_stream_out_.go
+++ b/go/internal/openapi/model_list_response_stream_out_.go
@@ -24,7 +24,7 @@ type ListResponseStreamOut struct {
 	Data []StreamOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseStreamOut ListResponseStreamOut
@@ -123,46 +123,36 @@ func (o *ListResponseStreamOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseStreamOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseStreamOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseStreamOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseStreamOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseStreamOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseStreamOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseStreamOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseStreamOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_stream_sink_out_.go b/go/internal/openapi/model_list_response_stream_sink_out_.go
index 9085ec001..3e77e87f0 100644
--- a/go/internal/openapi/model_list_response_stream_sink_out_.go
+++ b/go/internal/openapi/model_list_response_stream_sink_out_.go
@@ -24,7 +24,7 @@ type ListResponseStreamSinkOut struct {
 	Data []StreamSinkOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseStreamSinkOut ListResponseStreamSinkOut
@@ -123,46 +123,36 @@ func (o *ListResponseStreamSinkOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseStreamSinkOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseStreamSinkOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseStreamSinkOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseStreamSinkOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseStreamSinkOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseStreamSinkOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseStreamSinkOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseStreamSinkOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_list_response_template_out_.go b/go/internal/openapi/model_list_response_template_out_.go
index 962c1ecf0..c9754002c 100644
--- a/go/internal/openapi/model_list_response_template_out_.go
+++ b/go/internal/openapi/model_list_response_template_out_.go
@@ -24,7 +24,7 @@ type ListResponseTemplateOut struct {
 	Data []TemplateOut `json:"data"`
 	Done bool `json:"done"`
 	Iterator NullableString `json:"iterator"`
-	PrevIterator NullableString `json:"prevIterator,omitempty"`
+	PrevIterator *string `json:"prevIterator,omitempty"`
 }
 
 type _ListResponseTemplateOut ListResponseTemplateOut
@@ -123,46 +123,36 @@ func (o *ListResponseTemplateOut) SetIterator(v string) {
 	o.Iterator.Set(&v)
 }
 
-// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPrevIterator returns the PrevIterator field value if set, zero value otherwise.
 func (o *ListResponseTemplateOut) GetPrevIterator() string {
-	if o == nil || IsNil(o.PrevIterator.Get()) {
+	if o == nil || IsNil(o.PrevIterator) {
 		var ret string
 		return ret
 	}
-	return *o.PrevIterator.Get()
+	return *o.PrevIterator
 }
 
 // GetPrevIteratorOk returns a tuple with the PrevIterator field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ListResponseTemplateOut) GetPrevIteratorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PrevIterator) {
 		return nil, false
 	}
-	return o.PrevIterator.Get(), o.PrevIterator.IsSet()
+	return o.PrevIterator, true
 }
 
 // HasPrevIterator returns a boolean if a field has been set.
 func (o *ListResponseTemplateOut) HasPrevIterator() bool {
-	if o != nil && o.PrevIterator.IsSet() {
+	if o != nil && !IsNil(o.PrevIterator) {
 		return true
 	}
 
 	return false
 }
 
-// SetPrevIterator gets a reference to the given NullableString and assigns it to the PrevIterator field.
+// SetPrevIterator gets a reference to the given string and assigns it to the PrevIterator field.
 func (o *ListResponseTemplateOut) SetPrevIterator(v string) {
-	o.PrevIterator.Set(&v)
-}
-// SetPrevIteratorNil sets the value for PrevIterator to be an explicit nil
-func (o *ListResponseTemplateOut) SetPrevIteratorNil() {
-	o.PrevIterator.Set(nil)
-}
-
-// UnsetPrevIterator ensures that no value is present for PrevIterator, not even an explicit nil
-func (o *ListResponseTemplateOut) UnsetPrevIterator() {
-	o.PrevIterator.Unset()
+	o.PrevIterator = &v
 }
 
 func (o ListResponseTemplateOut) MarshalJSON() ([]byte, error) {
@@ -178,8 +168,8 @@ func (o ListResponseTemplateOut) ToMap() (map[string]interface{}, error) {
 	toSerialize["data"] = o.Data
 	toSerialize["done"] = o.Done
 	toSerialize["iterator"] = o.Iterator.Get()
-	if o.PrevIterator.IsSet() {
-		toSerialize["prevIterator"] = o.PrevIterator.Get()
+	if !IsNil(o.PrevIterator) {
+		toSerialize["prevIterator"] = o.PrevIterator
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_message_attempt_exhausted_event_data.go b/go/internal/openapi/model_message_attempt_exhausted_event_data.go
index e1e9e57d0..d054f3dd3 100644
--- a/go/internal/openapi/model_message_attempt_exhausted_event_data.go
+++ b/go/internal/openapi/model_message_attempt_exhausted_event_data.go
@@ -24,12 +24,12 @@ type MessageAttemptExhaustedEventData struct {
 	// The app's ID
 	AppId string `json:"appId"`
 	// The app's UID
-	AppUid NullableString `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	AppUid *string `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The ep's ID
 	EndpointId string `json:"endpointId"`
 	LastAttempt MessageAttemptFailedData `json:"lastAttempt"`
 	// The msg's UID
-	MsgEventId NullableString `json:"msgEventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	MsgEventId *string `json:"msgEventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The msg's ID
 	MsgId string `json:"msgId"`
 }
@@ -81,46 +81,36 @@ func (o *MessageAttemptExhaustedEventData) SetAppId(v string) {
 	o.AppId = v
 }
 
-// GetAppUid returns the AppUid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetAppUid returns the AppUid field value if set, zero value otherwise.
 func (o *MessageAttemptExhaustedEventData) GetAppUid() string {
-	if o == nil || IsNil(o.AppUid.Get()) {
+	if o == nil || IsNil(o.AppUid) {
 		var ret string
 		return ret
 	}
-	return *o.AppUid.Get()
+	return *o.AppUid
 }
 
 // GetAppUidOk returns a tuple with the AppUid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageAttemptExhaustedEventData) GetAppUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.AppUid) {
 		return nil, false
 	}
-	return o.AppUid.Get(), o.AppUid.IsSet()
+	return o.AppUid, true
 }
 
 // HasAppUid returns a boolean if a field has been set.
 func (o *MessageAttemptExhaustedEventData) HasAppUid() bool {
-	if o != nil && o.AppUid.IsSet() {
+	if o != nil && !IsNil(o.AppUid) {
 		return true
 	}
 
 	return false
 }
 
-// SetAppUid gets a reference to the given NullableString and assigns it to the AppUid field.
+// SetAppUid gets a reference to the given string and assigns it to the AppUid field.
 func (o *MessageAttemptExhaustedEventData) SetAppUid(v string) {
-	o.AppUid.Set(&v)
-}
-// SetAppUidNil sets the value for AppUid to be an explicit nil
-func (o *MessageAttemptExhaustedEventData) SetAppUidNil() {
-	o.AppUid.Set(nil)
-}
-
-// UnsetAppUid ensures that no value is present for AppUid, not even an explicit nil
-func (o *MessageAttemptExhaustedEventData) UnsetAppUid() {
-	o.AppUid.Unset()
+	o.AppUid = &v
 }
 
 // GetEndpointId returns the EndpointId field value
@@ -171,46 +161,36 @@ func (o *MessageAttemptExhaustedEventData) SetLastAttempt(v MessageAttemptFailed
 	o.LastAttempt = v
 }
 
-// GetMsgEventId returns the MsgEventId field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetMsgEventId returns the MsgEventId field value if set, zero value otherwise.
 func (o *MessageAttemptExhaustedEventData) GetMsgEventId() string {
-	if o == nil || IsNil(o.MsgEventId.Get()) {
+	if o == nil || IsNil(o.MsgEventId) {
 		var ret string
 		return ret
 	}
-	return *o.MsgEventId.Get()
+	return *o.MsgEventId
 }
 
 // GetMsgEventIdOk returns a tuple with the MsgEventId field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageAttemptExhaustedEventData) GetMsgEventIdOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.MsgEventId) {
 		return nil, false
 	}
-	return o.MsgEventId.Get(), o.MsgEventId.IsSet()
+	return o.MsgEventId, true
 }
 
 // HasMsgEventId returns a boolean if a field has been set.
 func (o *MessageAttemptExhaustedEventData) HasMsgEventId() bool {
-	if o != nil && o.MsgEventId.IsSet() {
+	if o != nil && !IsNil(o.MsgEventId) {
 		return true
 	}
 
 	return false
 }
 
-// SetMsgEventId gets a reference to the given NullableString and assigns it to the MsgEventId field.
+// SetMsgEventId gets a reference to the given string and assigns it to the MsgEventId field.
 func (o *MessageAttemptExhaustedEventData) SetMsgEventId(v string) {
-	o.MsgEventId.Set(&v)
-}
-// SetMsgEventIdNil sets the value for MsgEventId to be an explicit nil
-func (o *MessageAttemptExhaustedEventData) SetMsgEventIdNil() {
-	o.MsgEventId.Set(nil)
-}
-
-// UnsetMsgEventId ensures that no value is present for MsgEventId, not even an explicit nil
-func (o *MessageAttemptExhaustedEventData) UnsetMsgEventId() {
-	o.MsgEventId.Unset()
+	o.MsgEventId = &v
 }
 
 // GetMsgId returns the MsgId field value
@@ -248,13 +228,13 @@ func (o MessageAttemptExhaustedEventData) MarshalJSON() ([]byte, error) {
 func (o MessageAttemptExhaustedEventData) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["appId"] = o.AppId
-	if o.AppUid.IsSet() {
-		toSerialize["appUid"] = o.AppUid.Get()
+	if !IsNil(o.AppUid) {
+		toSerialize["appUid"] = o.AppUid
 	}
 	toSerialize["endpointId"] = o.EndpointId
 	toSerialize["lastAttempt"] = o.LastAttempt
-	if o.MsgEventId.IsSet() {
-		toSerialize["msgEventId"] = o.MsgEventId.Get()
+	if !IsNil(o.MsgEventId) {
+		toSerialize["msgEventId"] = o.MsgEventId
 	}
 	toSerialize["msgId"] = o.MsgId
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_message_attempt_failing_event_data.go b/go/internal/openapi/model_message_attempt_failing_event_data.go
index 2fff96dbc..fa2c6aecd 100644
--- a/go/internal/openapi/model_message_attempt_failing_event_data.go
+++ b/go/internal/openapi/model_message_attempt_failing_event_data.go
@@ -24,12 +24,12 @@ type MessageAttemptFailingEventData struct {
 	// The app's ID
 	AppId string `json:"appId"`
 	// The app's UID
-	AppUid NullableString `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	AppUid *string `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The ep's ID
 	EndpointId string `json:"endpointId"`
 	LastAttempt MessageAttemptFailedData `json:"lastAttempt"`
 	// The msg's UID
-	MsgEventId NullableString `json:"msgEventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	MsgEventId *string `json:"msgEventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The msg's ID
 	MsgId string `json:"msgId"`
 }
@@ -81,46 +81,36 @@ func (o *MessageAttemptFailingEventData) SetAppId(v string) {
 	o.AppId = v
 }
 
-// GetAppUid returns the AppUid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetAppUid returns the AppUid field value if set, zero value otherwise.
 func (o *MessageAttemptFailingEventData) GetAppUid() string {
-	if o == nil || IsNil(o.AppUid.Get()) {
+	if o == nil || IsNil(o.AppUid) {
 		var ret string
 		return ret
 	}
-	return *o.AppUid.Get()
+	return *o.AppUid
 }
 
 // GetAppUidOk returns a tuple with the AppUid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageAttemptFailingEventData) GetAppUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.AppUid) {
 		return nil, false
 	}
-	return o.AppUid.Get(), o.AppUid.IsSet()
+	return o.AppUid, true
 }
 
 // HasAppUid returns a boolean if a field has been set.
 func (o *MessageAttemptFailingEventData) HasAppUid() bool {
-	if o != nil && o.AppUid.IsSet() {
+	if o != nil && !IsNil(o.AppUid) {
 		return true
 	}
 
 	return false
 }
 
-// SetAppUid gets a reference to the given NullableString and assigns it to the AppUid field.
+// SetAppUid gets a reference to the given string and assigns it to the AppUid field.
 func (o *MessageAttemptFailingEventData) SetAppUid(v string) {
-	o.AppUid.Set(&v)
-}
-// SetAppUidNil sets the value for AppUid to be an explicit nil
-func (o *MessageAttemptFailingEventData) SetAppUidNil() {
-	o.AppUid.Set(nil)
-}
-
-// UnsetAppUid ensures that no value is present for AppUid, not even an explicit nil
-func (o *MessageAttemptFailingEventData) UnsetAppUid() {
-	o.AppUid.Unset()
+	o.AppUid = &v
 }
 
 // GetEndpointId returns the EndpointId field value
@@ -171,46 +161,36 @@ func (o *MessageAttemptFailingEventData) SetLastAttempt(v MessageAttemptFailedDa
 	o.LastAttempt = v
 }
 
-// GetMsgEventId returns the MsgEventId field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetMsgEventId returns the MsgEventId field value if set, zero value otherwise.
 func (o *MessageAttemptFailingEventData) GetMsgEventId() string {
-	if o == nil || IsNil(o.MsgEventId.Get()) {
+	if o == nil || IsNil(o.MsgEventId) {
 		var ret string
 		return ret
 	}
-	return *o.MsgEventId.Get()
+	return *o.MsgEventId
 }
 
 // GetMsgEventIdOk returns a tuple with the MsgEventId field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageAttemptFailingEventData) GetMsgEventIdOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.MsgEventId) {
 		return nil, false
 	}
-	return o.MsgEventId.Get(), o.MsgEventId.IsSet()
+	return o.MsgEventId, true
 }
 
 // HasMsgEventId returns a boolean if a field has been set.
 func (o *MessageAttemptFailingEventData) HasMsgEventId() bool {
-	if o != nil && o.MsgEventId.IsSet() {
+	if o != nil && !IsNil(o.MsgEventId) {
 		return true
 	}
 
 	return false
 }
 
-// SetMsgEventId gets a reference to the given NullableString and assigns it to the MsgEventId field.
+// SetMsgEventId gets a reference to the given string and assigns it to the MsgEventId field.
 func (o *MessageAttemptFailingEventData) SetMsgEventId(v string) {
-	o.MsgEventId.Set(&v)
-}
-// SetMsgEventIdNil sets the value for MsgEventId to be an explicit nil
-func (o *MessageAttemptFailingEventData) SetMsgEventIdNil() {
-	o.MsgEventId.Set(nil)
-}
-
-// UnsetMsgEventId ensures that no value is present for MsgEventId, not even an explicit nil
-func (o *MessageAttemptFailingEventData) UnsetMsgEventId() {
-	o.MsgEventId.Unset()
+	o.MsgEventId = &v
 }
 
 // GetMsgId returns the MsgId field value
@@ -248,13 +228,13 @@ func (o MessageAttemptFailingEventData) MarshalJSON() ([]byte, error) {
 func (o MessageAttemptFailingEventData) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["appId"] = o.AppId
-	if o.AppUid.IsSet() {
-		toSerialize["appUid"] = o.AppUid.Get()
+	if !IsNil(o.AppUid) {
+		toSerialize["appUid"] = o.AppUid
 	}
 	toSerialize["endpointId"] = o.EndpointId
 	toSerialize["lastAttempt"] = o.LastAttempt
-	if o.MsgEventId.IsSet() {
-		toSerialize["msgEventId"] = o.MsgEventId.Get()
+	if !IsNil(o.MsgEventId) {
+		toSerialize["msgEventId"] = o.MsgEventId
 	}
 	toSerialize["msgId"] = o.MsgId
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_message_attempt_headers_out.go b/go/internal/openapi/model_message_attempt_headers_out.go
index 2b8bd8c26..fb2f69192 100644
--- a/go/internal/openapi/model_message_attempt_headers_out.go
+++ b/go/internal/openapi/model_message_attempt_headers_out.go
@@ -47,9 +47,9 @@ func NewMessageAttemptHeadersOutWithDefaults() *MessageAttemptHeadersOut {
 	return &this
 }
 
-// GetResponseHeaders returns the ResponseHeaders field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetResponseHeaders returns the ResponseHeaders field value if set, zero value otherwise.
 func (o *MessageAttemptHeadersOut) GetResponseHeaders() [][]string {
-	if o == nil {
+	if o == nil || IsNil(o.ResponseHeaders) {
 		var ret [][]string
 		return ret
 	}
@@ -58,7 +58,6 @@ func (o *MessageAttemptHeadersOut) GetResponseHeaders() [][]string {
 
 // GetResponseHeadersOk returns a tuple with the ResponseHeaders field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageAttemptHeadersOut) GetResponseHeadersOk() ([][]string, bool) {
 	if o == nil || IsNil(o.ResponseHeaders) {
 		return nil, false
@@ -138,7 +137,7 @@ func (o MessageAttemptHeadersOut) MarshalJSON() ([]byte, error) {
 
 func (o MessageAttemptHeadersOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.ResponseHeaders != nil {
+	if !IsNil(o.ResponseHeaders) {
 		toSerialize["responseHeaders"] = o.ResponseHeaders
 	}
 	toSerialize["sensitive"] = o.Sensitive
diff --git a/go/internal/openapi/model_message_attempt_recovered_event_data.go b/go/internal/openapi/model_message_attempt_recovered_event_data.go
index 1eadd5fd1..a388f7a0a 100644
--- a/go/internal/openapi/model_message_attempt_recovered_event_data.go
+++ b/go/internal/openapi/model_message_attempt_recovered_event_data.go
@@ -24,12 +24,12 @@ type MessageAttemptRecoveredEventData struct {
 	// The app's ID
 	AppId string `json:"appId"`
 	// The app's UID
-	AppUid NullableString `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	AppUid *string `json:"appUid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The ep's ID
 	EndpointId string `json:"endpointId"`
 	LastAttempt MessageAttemptFailedData `json:"lastAttempt"`
 	// The msg's UID
-	MsgEventId NullableString `json:"msgEventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	MsgEventId *string `json:"msgEventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The msg's ID
 	MsgId string `json:"msgId"`
 }
@@ -81,46 +81,36 @@ func (o *MessageAttemptRecoveredEventData) SetAppId(v string) {
 	o.AppId = v
 }
 
-// GetAppUid returns the AppUid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetAppUid returns the AppUid field value if set, zero value otherwise.
 func (o *MessageAttemptRecoveredEventData) GetAppUid() string {
-	if o == nil || IsNil(o.AppUid.Get()) {
+	if o == nil || IsNil(o.AppUid) {
 		var ret string
 		return ret
 	}
-	return *o.AppUid.Get()
+	return *o.AppUid
 }
 
 // GetAppUidOk returns a tuple with the AppUid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageAttemptRecoveredEventData) GetAppUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.AppUid) {
 		return nil, false
 	}
-	return o.AppUid.Get(), o.AppUid.IsSet()
+	return o.AppUid, true
 }
 
 // HasAppUid returns a boolean if a field has been set.
 func (o *MessageAttemptRecoveredEventData) HasAppUid() bool {
-	if o != nil && o.AppUid.IsSet() {
+	if o != nil && !IsNil(o.AppUid) {
 		return true
 	}
 
 	return false
 }
 
-// SetAppUid gets a reference to the given NullableString and assigns it to the AppUid field.
+// SetAppUid gets a reference to the given string and assigns it to the AppUid field.
 func (o *MessageAttemptRecoveredEventData) SetAppUid(v string) {
-	o.AppUid.Set(&v)
-}
-// SetAppUidNil sets the value for AppUid to be an explicit nil
-func (o *MessageAttemptRecoveredEventData) SetAppUidNil() {
-	o.AppUid.Set(nil)
-}
-
-// UnsetAppUid ensures that no value is present for AppUid, not even an explicit nil
-func (o *MessageAttemptRecoveredEventData) UnsetAppUid() {
-	o.AppUid.Unset()
+	o.AppUid = &v
 }
 
 // GetEndpointId returns the EndpointId field value
@@ -171,46 +161,36 @@ func (o *MessageAttemptRecoveredEventData) SetLastAttempt(v MessageAttemptFailed
 	o.LastAttempt = v
 }
 
-// GetMsgEventId returns the MsgEventId field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetMsgEventId returns the MsgEventId field value if set, zero value otherwise.
 func (o *MessageAttemptRecoveredEventData) GetMsgEventId() string {
-	if o == nil || IsNil(o.MsgEventId.Get()) {
+	if o == nil || IsNil(o.MsgEventId) {
 		var ret string
 		return ret
 	}
-	return *o.MsgEventId.Get()
+	return *o.MsgEventId
 }
 
 // GetMsgEventIdOk returns a tuple with the MsgEventId field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageAttemptRecoveredEventData) GetMsgEventIdOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.MsgEventId) {
 		return nil, false
 	}
-	return o.MsgEventId.Get(), o.MsgEventId.IsSet()
+	return o.MsgEventId, true
 }
 
 // HasMsgEventId returns a boolean if a field has been set.
 func (o *MessageAttemptRecoveredEventData) HasMsgEventId() bool {
-	if o != nil && o.MsgEventId.IsSet() {
+	if o != nil && !IsNil(o.MsgEventId) {
 		return true
 	}
 
 	return false
 }
 
-// SetMsgEventId gets a reference to the given NullableString and assigns it to the MsgEventId field.
+// SetMsgEventId gets a reference to the given string and assigns it to the MsgEventId field.
 func (o *MessageAttemptRecoveredEventData) SetMsgEventId(v string) {
-	o.MsgEventId.Set(&v)
-}
-// SetMsgEventIdNil sets the value for MsgEventId to be an explicit nil
-func (o *MessageAttemptRecoveredEventData) SetMsgEventIdNil() {
-	o.MsgEventId.Set(nil)
-}
-
-// UnsetMsgEventId ensures that no value is present for MsgEventId, not even an explicit nil
-func (o *MessageAttemptRecoveredEventData) UnsetMsgEventId() {
-	o.MsgEventId.Unset()
+	o.MsgEventId = &v
 }
 
 // GetMsgId returns the MsgId field value
@@ -248,13 +228,13 @@ func (o MessageAttemptRecoveredEventData) MarshalJSON() ([]byte, error) {
 func (o MessageAttemptRecoveredEventData) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["appId"] = o.AppId
-	if o.AppUid.IsSet() {
-		toSerialize["appUid"] = o.AppUid.Get()
+	if !IsNil(o.AppUid) {
+		toSerialize["appUid"] = o.AppUid
 	}
 	toSerialize["endpointId"] = o.EndpointId
 	toSerialize["lastAttempt"] = o.LastAttempt
-	if o.MsgEventId.IsSet() {
-		toSerialize["msgEventId"] = o.MsgEventId.Get()
+	if !IsNil(o.MsgEventId) {
+		toSerialize["msgEventId"] = o.MsgEventId
 	}
 	toSerialize["msgId"] = o.MsgId
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_message_broadcast_in.go b/go/internal/openapi/model_message_broadcast_in.go
index 69936588e..67610bddc 100644
--- a/go/internal/openapi/model_message_broadcast_in.go
+++ b/go/internal/openapi/model_message_broadcast_in.go
@@ -24,14 +24,14 @@ type MessageBroadcastIn struct {
 	// List of free-form identifiers that endpoints can filter by
 	Channels []string `json:"channels,omitempty"`
 	// Optional unique identifier for the message
-	EventId NullableString `json:"eventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	EventId *string `json:"eventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The event type's name
 	EventType string `json:"eventType" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	Payload map[string]interface{} `json:"payload"`
 	// Optional number of hours to retain the message payload. Note that this is mutually exclusive with `payloadRetentionPeriod`.
-	PayloadRetentionHours NullableInt64 `json:"payloadRetentionHours,omitempty"`
+	PayloadRetentionHours *int64 `json:"payloadRetentionHours,omitempty"`
 	// Optional number of days to retain the message payload. Defaults to 90. Note that this is mutually exclusive with `payloadRetentionHours`.
-	PayloadRetentionPeriod NullableInt64 `json:"payloadRetentionPeriod,omitempty"`
+	PayloadRetentionPeriod *int64 `json:"payloadRetentionPeriod,omitempty"`
 }
 
 type _MessageBroadcastIn MessageBroadcastIn
@@ -45,7 +45,7 @@ func NewMessageBroadcastIn(eventType string, payload map[string]interface{}) *Me
 	this.EventType = eventType
 	this.Payload = payload
 	var payloadRetentionPeriod int64 = 90
-	this.PayloadRetentionPeriod = *NewNullableInt64(&payloadRetentionPeriod)
+	this.PayloadRetentionPeriod = &payloadRetentionPeriod
 	return &this
 }
 
@@ -55,13 +55,13 @@ func NewMessageBroadcastIn(eventType string, payload map[string]interface{}) *Me
 func NewMessageBroadcastInWithDefaults() *MessageBroadcastIn {
 	this := MessageBroadcastIn{}
 	var payloadRetentionPeriod int64 = 90
-	this.PayloadRetentionPeriod = *NewNullableInt64(&payloadRetentionPeriod)
+	this.PayloadRetentionPeriod = &payloadRetentionPeriod
 	return &this
 }
 
-// GetChannels returns the Channels field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannels returns the Channels field value if set, zero value otherwise.
 func (o *MessageBroadcastIn) GetChannels() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Channels) {
 		var ret []string
 		return ret
 	}
@@ -70,7 +70,6 @@ func (o *MessageBroadcastIn) GetChannels() []string {
 
 // GetChannelsOk returns a tuple with the Channels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageBroadcastIn) GetChannelsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Channels) {
 		return nil, false
@@ -92,46 +91,36 @@ func (o *MessageBroadcastIn) SetChannels(v []string) {
 	o.Channels = v
 }
 
-// GetEventId returns the EventId field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetEventId returns the EventId field value if set, zero value otherwise.
 func (o *MessageBroadcastIn) GetEventId() string {
-	if o == nil || IsNil(o.EventId.Get()) {
+	if o == nil || IsNil(o.EventId) {
 		var ret string
 		return ret
 	}
-	return *o.EventId.Get()
+	return *o.EventId
 }
 
 // GetEventIdOk returns a tuple with the EventId field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageBroadcastIn) GetEventIdOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.EventId) {
 		return nil, false
 	}
-	return o.EventId.Get(), o.EventId.IsSet()
+	return o.EventId, true
 }
 
 // HasEventId returns a boolean if a field has been set.
 func (o *MessageBroadcastIn) HasEventId() bool {
-	if o != nil && o.EventId.IsSet() {
+	if o != nil && !IsNil(o.EventId) {
 		return true
 	}
 
 	return false
 }
 
-// SetEventId gets a reference to the given NullableString and assigns it to the EventId field.
+// SetEventId gets a reference to the given string and assigns it to the EventId field.
 func (o *MessageBroadcastIn) SetEventId(v string) {
-	o.EventId.Set(&v)
-}
-// SetEventIdNil sets the value for EventId to be an explicit nil
-func (o *MessageBroadcastIn) SetEventIdNil() {
-	o.EventId.Set(nil)
-}
-
-// UnsetEventId ensures that no value is present for EventId, not even an explicit nil
-func (o *MessageBroadcastIn) UnsetEventId() {
-	o.EventId.Unset()
+	o.EventId = &v
 }
 
 // GetEventType returns the EventType field value
@@ -182,88 +171,68 @@ func (o *MessageBroadcastIn) SetPayload(v map[string]interface{}) {
 	o.Payload = v
 }
 
-// GetPayloadRetentionHours returns the PayloadRetentionHours field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPayloadRetentionHours returns the PayloadRetentionHours field value if set, zero value otherwise.
 func (o *MessageBroadcastIn) GetPayloadRetentionHours() int64 {
-	if o == nil || IsNil(o.PayloadRetentionHours.Get()) {
+	if o == nil || IsNil(o.PayloadRetentionHours) {
 		var ret int64
 		return ret
 	}
-	return *o.PayloadRetentionHours.Get()
+	return *o.PayloadRetentionHours
 }
 
 // GetPayloadRetentionHoursOk returns a tuple with the PayloadRetentionHours field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageBroadcastIn) GetPayloadRetentionHoursOk() (*int64, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PayloadRetentionHours) {
 		return nil, false
 	}
-	return o.PayloadRetentionHours.Get(), o.PayloadRetentionHours.IsSet()
+	return o.PayloadRetentionHours, true
 }
 
 // HasPayloadRetentionHours returns a boolean if a field has been set.
 func (o *MessageBroadcastIn) HasPayloadRetentionHours() bool {
-	if o != nil && o.PayloadRetentionHours.IsSet() {
+	if o != nil && !IsNil(o.PayloadRetentionHours) {
 		return true
 	}
 
 	return false
 }
 
-// SetPayloadRetentionHours gets a reference to the given NullableInt64 and assigns it to the PayloadRetentionHours field.
+// SetPayloadRetentionHours gets a reference to the given int64 and assigns it to the PayloadRetentionHours field.
 func (o *MessageBroadcastIn) SetPayloadRetentionHours(v int64) {
-	o.PayloadRetentionHours.Set(&v)
-}
-// SetPayloadRetentionHoursNil sets the value for PayloadRetentionHours to be an explicit nil
-func (o *MessageBroadcastIn) SetPayloadRetentionHoursNil() {
-	o.PayloadRetentionHours.Set(nil)
-}
-
-// UnsetPayloadRetentionHours ensures that no value is present for PayloadRetentionHours, not even an explicit nil
-func (o *MessageBroadcastIn) UnsetPayloadRetentionHours() {
-	o.PayloadRetentionHours.Unset()
+	o.PayloadRetentionHours = &v
 }
 
-// GetPayloadRetentionPeriod returns the PayloadRetentionPeriod field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPayloadRetentionPeriod returns the PayloadRetentionPeriod field value if set, zero value otherwise.
 func (o *MessageBroadcastIn) GetPayloadRetentionPeriod() int64 {
-	if o == nil || IsNil(o.PayloadRetentionPeriod.Get()) {
+	if o == nil || IsNil(o.PayloadRetentionPeriod) {
 		var ret int64
 		return ret
 	}
-	return *o.PayloadRetentionPeriod.Get()
+	return *o.PayloadRetentionPeriod
 }
 
 // GetPayloadRetentionPeriodOk returns a tuple with the PayloadRetentionPeriod field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageBroadcastIn) GetPayloadRetentionPeriodOk() (*int64, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PayloadRetentionPeriod) {
 		return nil, false
 	}
-	return o.PayloadRetentionPeriod.Get(), o.PayloadRetentionPeriod.IsSet()
+	return o.PayloadRetentionPeriod, true
 }
 
 // HasPayloadRetentionPeriod returns a boolean if a field has been set.
 func (o *MessageBroadcastIn) HasPayloadRetentionPeriod() bool {
-	if o != nil && o.PayloadRetentionPeriod.IsSet() {
+	if o != nil && !IsNil(o.PayloadRetentionPeriod) {
 		return true
 	}
 
 	return false
 }
 
-// SetPayloadRetentionPeriod gets a reference to the given NullableInt64 and assigns it to the PayloadRetentionPeriod field.
+// SetPayloadRetentionPeriod gets a reference to the given int64 and assigns it to the PayloadRetentionPeriod field.
 func (o *MessageBroadcastIn) SetPayloadRetentionPeriod(v int64) {
-	o.PayloadRetentionPeriod.Set(&v)
-}
-// SetPayloadRetentionPeriodNil sets the value for PayloadRetentionPeriod to be an explicit nil
-func (o *MessageBroadcastIn) SetPayloadRetentionPeriodNil() {
-	o.PayloadRetentionPeriod.Set(nil)
-}
-
-// UnsetPayloadRetentionPeriod ensures that no value is present for PayloadRetentionPeriod, not even an explicit nil
-func (o *MessageBroadcastIn) UnsetPayloadRetentionPeriod() {
-	o.PayloadRetentionPeriod.Unset()
+	o.PayloadRetentionPeriod = &v
 }
 
 func (o MessageBroadcastIn) MarshalJSON() ([]byte, error) {
@@ -276,19 +245,19 @@ func (o MessageBroadcastIn) MarshalJSON() ([]byte, error) {
 
 func (o MessageBroadcastIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Channels != nil {
+	if !IsNil(o.Channels) {
 		toSerialize["channels"] = o.Channels
 	}
-	if o.EventId.IsSet() {
-		toSerialize["eventId"] = o.EventId.Get()
+	if !IsNil(o.EventId) {
+		toSerialize["eventId"] = o.EventId
 	}
 	toSerialize["eventType"] = o.EventType
 	toSerialize["payload"] = o.Payload
-	if o.PayloadRetentionHours.IsSet() {
-		toSerialize["payloadRetentionHours"] = o.PayloadRetentionHours.Get()
+	if !IsNil(o.PayloadRetentionHours) {
+		toSerialize["payloadRetentionHours"] = o.PayloadRetentionHours
 	}
-	if o.PayloadRetentionPeriod.IsSet() {
-		toSerialize["payloadRetentionPeriod"] = o.PayloadRetentionPeriod.Get()
+	if !IsNil(o.PayloadRetentionPeriod) {
+		toSerialize["payloadRetentionPeriod"] = o.PayloadRetentionPeriod
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_message_endpoint_out.go b/go/internal/openapi/model_message_endpoint_out.go
index 50ca28f59..b8a4d736e 100644
--- a/go/internal/openapi/model_message_endpoint_out.go
+++ b/go/internal/openapi/model_message_endpoint_out.go
@@ -31,11 +31,11 @@ type MessageEndpointOut struct {
 	FilterTypes []string `json:"filterTypes,omitempty"`
 	// The ep's ID
 	Id string `json:"id"`
-	NextAttempt NullableTime `json:"nextAttempt,omitempty"`
-	RateLimit NullableInt32 `json:"rateLimit,omitempty"`
+	NextAttempt *time.Time `json:"nextAttempt,omitempty"`
+	RateLimit *int32 `json:"rateLimit,omitempty"`
 	Status MessageStatus `json:"status"`
 	// Optional unique identifier for the endpoint
-	Uid NullableString `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	Uid *string `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	UpdatedAt time.Time `json:"updatedAt"`
 	Url string `json:"url"`
 	// Deprecated
@@ -72,9 +72,9 @@ func NewMessageEndpointOutWithDefaults() *MessageEndpointOut {
 	return &this
 }
 
-// GetChannels returns the Channels field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannels returns the Channels field value if set, zero value otherwise.
 func (o *MessageEndpointOut) GetChannels() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Channels) {
 		var ret []string
 		return ret
 	}
@@ -83,7 +83,6 @@ func (o *MessageEndpointOut) GetChannels() []string {
 
 // GetChannelsOk returns a tuple with the Channels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageEndpointOut) GetChannelsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Channels) {
 		return nil, false
@@ -185,9 +184,9 @@ func (o *MessageEndpointOut) SetDisabled(v bool) {
 	o.Disabled = &v
 }
 
-// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise.
 func (o *MessageEndpointOut) GetFilterTypes() []string {
-	if o == nil {
+	if o == nil || IsNil(o.FilterTypes) {
 		var ret []string
 		return ret
 	}
@@ -196,7 +195,6 @@ func (o *MessageEndpointOut) GetFilterTypes() []string {
 
 // GetFilterTypesOk returns a tuple with the FilterTypes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageEndpointOut) GetFilterTypesOk() ([]string, bool) {
 	if o == nil || IsNil(o.FilterTypes) {
 		return nil, false
@@ -242,88 +240,68 @@ func (o *MessageEndpointOut) SetId(v string) {
 	o.Id = v
 }
 
-// GetNextAttempt returns the NextAttempt field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetNextAttempt returns the NextAttempt field value if set, zero value otherwise.
 func (o *MessageEndpointOut) GetNextAttempt() time.Time {
-	if o == nil || IsNil(o.NextAttempt.Get()) {
+	if o == nil || IsNil(o.NextAttempt) {
 		var ret time.Time
 		return ret
 	}
-	return *o.NextAttempt.Get()
+	return *o.NextAttempt
 }
 
 // GetNextAttemptOk returns a tuple with the NextAttempt field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageEndpointOut) GetNextAttemptOk() (*time.Time, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.NextAttempt) {
 		return nil, false
 	}
-	return o.NextAttempt.Get(), o.NextAttempt.IsSet()
+	return o.NextAttempt, true
 }
 
 // HasNextAttempt returns a boolean if a field has been set.
 func (o *MessageEndpointOut) HasNextAttempt() bool {
-	if o != nil && o.NextAttempt.IsSet() {
+	if o != nil && !IsNil(o.NextAttempt) {
 		return true
 	}
 
 	return false
 }
 
-// SetNextAttempt gets a reference to the given NullableTime and assigns it to the NextAttempt field.
+// SetNextAttempt gets a reference to the given time.Time and assigns it to the NextAttempt field.
 func (o *MessageEndpointOut) SetNextAttempt(v time.Time) {
-	o.NextAttempt.Set(&v)
-}
-// SetNextAttemptNil sets the value for NextAttempt to be an explicit nil
-func (o *MessageEndpointOut) SetNextAttemptNil() {
-	o.NextAttempt.Set(nil)
-}
-
-// UnsetNextAttempt ensures that no value is present for NextAttempt, not even an explicit nil
-func (o *MessageEndpointOut) UnsetNextAttempt() {
-	o.NextAttempt.Unset()
+	o.NextAttempt = &v
 }
 
-// GetRateLimit returns the RateLimit field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetRateLimit returns the RateLimit field value if set, zero value otherwise.
 func (o *MessageEndpointOut) GetRateLimit() int32 {
-	if o == nil || IsNil(o.RateLimit.Get()) {
+	if o == nil || IsNil(o.RateLimit) {
 		var ret int32
 		return ret
 	}
-	return *o.RateLimit.Get()
+	return *o.RateLimit
 }
 
 // GetRateLimitOk returns a tuple with the RateLimit field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageEndpointOut) GetRateLimitOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.RateLimit) {
 		return nil, false
 	}
-	return o.RateLimit.Get(), o.RateLimit.IsSet()
+	return o.RateLimit, true
 }
 
 // HasRateLimit returns a boolean if a field has been set.
 func (o *MessageEndpointOut) HasRateLimit() bool {
-	if o != nil && o.RateLimit.IsSet() {
+	if o != nil && !IsNil(o.RateLimit) {
 		return true
 	}
 
 	return false
 }
 
-// SetRateLimit gets a reference to the given NullableInt32 and assigns it to the RateLimit field.
+// SetRateLimit gets a reference to the given int32 and assigns it to the RateLimit field.
 func (o *MessageEndpointOut) SetRateLimit(v int32) {
-	o.RateLimit.Set(&v)
-}
-// SetRateLimitNil sets the value for RateLimit to be an explicit nil
-func (o *MessageEndpointOut) SetRateLimitNil() {
-	o.RateLimit.Set(nil)
-}
-
-// UnsetRateLimit ensures that no value is present for RateLimit, not even an explicit nil
-func (o *MessageEndpointOut) UnsetRateLimit() {
-	o.RateLimit.Unset()
+	o.RateLimit = &v
 }
 
 // GetStatus returns the Status field value
@@ -350,46 +328,36 @@ func (o *MessageEndpointOut) SetStatus(v MessageStatus) {
 	o.Status = v
 }
 
-// GetUid returns the Uid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetUid returns the Uid field value if set, zero value otherwise.
 func (o *MessageEndpointOut) GetUid() string {
-	if o == nil || IsNil(o.Uid.Get()) {
+	if o == nil || IsNil(o.Uid) {
 		var ret string
 		return ret
 	}
-	return *o.Uid.Get()
+	return *o.Uid
 }
 
 // GetUidOk returns a tuple with the Uid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageEndpointOut) GetUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Uid) {
 		return nil, false
 	}
-	return o.Uid.Get(), o.Uid.IsSet()
+	return o.Uid, true
 }
 
 // HasUid returns a boolean if a field has been set.
 func (o *MessageEndpointOut) HasUid() bool {
-	if o != nil && o.Uid.IsSet() {
+	if o != nil && !IsNil(o.Uid) {
 		return true
 	}
 
 	return false
 }
 
-// SetUid gets a reference to the given NullableString and assigns it to the Uid field.
+// SetUid gets a reference to the given string and assigns it to the Uid field.
 func (o *MessageEndpointOut) SetUid(v string) {
-	o.Uid.Set(&v)
-}
-// SetUidNil sets the value for Uid to be an explicit nil
-func (o *MessageEndpointOut) SetUidNil() {
-	o.Uid.Set(nil)
-}
-
-// UnsetUid ensures that no value is present for Uid, not even an explicit nil
-func (o *MessageEndpointOut) UnsetUid() {
-	o.Uid.Unset()
+	o.Uid = &v
 }
 
 // GetUpdatedAt returns the UpdatedAt field value
@@ -477,7 +445,7 @@ func (o MessageEndpointOut) MarshalJSON() ([]byte, error) {
 
 func (o MessageEndpointOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Channels != nil {
+	if !IsNil(o.Channels) {
 		toSerialize["channels"] = o.Channels
 	}
 	toSerialize["createdAt"] = o.CreatedAt
@@ -485,19 +453,19 @@ func (o MessageEndpointOut) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Disabled) {
 		toSerialize["disabled"] = o.Disabled
 	}
-	if o.FilterTypes != nil {
+	if !IsNil(o.FilterTypes) {
 		toSerialize["filterTypes"] = o.FilterTypes
 	}
 	toSerialize["id"] = o.Id
-	if o.NextAttempt.IsSet() {
-		toSerialize["nextAttempt"] = o.NextAttempt.Get()
+	if !IsNil(o.NextAttempt) {
+		toSerialize["nextAttempt"] = o.NextAttempt
 	}
-	if o.RateLimit.IsSet() {
-		toSerialize["rateLimit"] = o.RateLimit.Get()
+	if !IsNil(o.RateLimit) {
+		toSerialize["rateLimit"] = o.RateLimit
 	}
 	toSerialize["status"] = o.Status
-	if o.Uid.IsSet() {
-		toSerialize["uid"] = o.Uid.Get()
+	if !IsNil(o.Uid) {
+		toSerialize["uid"] = o.Uid
 	}
 	toSerialize["updatedAt"] = o.UpdatedAt
 	toSerialize["url"] = o.Url
diff --git a/go/internal/openapi/model_message_in.go b/go/internal/openapi/model_message_in.go
index 438eed8fb..bd6779638 100644
--- a/go/internal/openapi/model_message_in.go
+++ b/go/internal/openapi/model_message_in.go
@@ -25,15 +25,15 @@ type MessageIn struct {
 	// List of free-form identifiers that endpoints can filter by
 	Channels []string `json:"channels,omitempty"`
 	// Optional unique identifier for the message
-	EventId NullableString `json:"eventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	EventId *string `json:"eventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The event type's name
 	EventType string `json:"eventType" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// JSON payload to send as the request body of the webhook.  We also support sending non-JSON payloads. Please contact us for more information.
 	Payload map[string]interface{} `json:"payload"`
 	// Optional number of hours to retain the message payload. Note that this is mutually exclusive with `payloadRetentionPeriod`.
-	PayloadRetentionHours NullableInt64 `json:"payloadRetentionHours,omitempty"`
+	PayloadRetentionHours *int64 `json:"payloadRetentionHours,omitempty"`
 	// Optional number of days to retain the message payload. Defaults to 90. Note that this is mutually exclusive with `payloadRetentionHours`.
-	PayloadRetentionPeriod NullableInt64 `json:"payloadRetentionPeriod,omitempty"`
+	PayloadRetentionPeriod *int64 `json:"payloadRetentionPeriod,omitempty"`
 	// List of free-form tags that can be filtered by when listing messages
 	Tags []string `json:"tags,omitempty"`
 	// Extra parameters to pass to Transformations (for future use)
@@ -51,7 +51,7 @@ func NewMessageIn(eventType string, payload map[string]interface{}) *MessageIn {
 	this.EventType = eventType
 	this.Payload = payload
 	var payloadRetentionPeriod int64 = 90
-	this.PayloadRetentionPeriod = *NewNullableInt64(&payloadRetentionPeriod)
+	this.PayloadRetentionPeriod = &payloadRetentionPeriod
 	return &this
 }
 
@@ -61,7 +61,7 @@ func NewMessageIn(eventType string, payload map[string]interface{}) *MessageIn {
 func NewMessageInWithDefaults() *MessageIn {
 	this := MessageIn{}
 	var payloadRetentionPeriod int64 = 90
-	this.PayloadRetentionPeriod = *NewNullableInt64(&payloadRetentionPeriod)
+	this.PayloadRetentionPeriod = &payloadRetentionPeriod
 	return &this
 }
 
@@ -97,9 +97,9 @@ func (o *MessageIn) SetApplication(v ApplicationIn) {
 	o.Application = &v
 }
 
-// GetChannels returns the Channels field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannels returns the Channels field value if set, zero value otherwise.
 func (o *MessageIn) GetChannels() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Channels) {
 		var ret []string
 		return ret
 	}
@@ -108,7 +108,6 @@ func (o *MessageIn) GetChannels() []string {
 
 // GetChannelsOk returns a tuple with the Channels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageIn) GetChannelsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Channels) {
 		return nil, false
@@ -130,46 +129,36 @@ func (o *MessageIn) SetChannels(v []string) {
 	o.Channels = v
 }
 
-// GetEventId returns the EventId field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetEventId returns the EventId field value if set, zero value otherwise.
 func (o *MessageIn) GetEventId() string {
-	if o == nil || IsNil(o.EventId.Get()) {
+	if o == nil || IsNil(o.EventId) {
 		var ret string
 		return ret
 	}
-	return *o.EventId.Get()
+	return *o.EventId
 }
 
 // GetEventIdOk returns a tuple with the EventId field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageIn) GetEventIdOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.EventId) {
 		return nil, false
 	}
-	return o.EventId.Get(), o.EventId.IsSet()
+	return o.EventId, true
 }
 
 // HasEventId returns a boolean if a field has been set.
 func (o *MessageIn) HasEventId() bool {
-	if o != nil && o.EventId.IsSet() {
+	if o != nil && !IsNil(o.EventId) {
 		return true
 	}
 
 	return false
 }
 
-// SetEventId gets a reference to the given NullableString and assigns it to the EventId field.
+// SetEventId gets a reference to the given string and assigns it to the EventId field.
 func (o *MessageIn) SetEventId(v string) {
-	o.EventId.Set(&v)
-}
-// SetEventIdNil sets the value for EventId to be an explicit nil
-func (o *MessageIn) SetEventIdNil() {
-	o.EventId.Set(nil)
-}
-
-// UnsetEventId ensures that no value is present for EventId, not even an explicit nil
-func (o *MessageIn) UnsetEventId() {
-	o.EventId.Unset()
+	o.EventId = &v
 }
 
 // GetEventType returns the EventType field value
@@ -220,93 +209,73 @@ func (o *MessageIn) SetPayload(v map[string]interface{}) {
 	o.Payload = v
 }
 
-// GetPayloadRetentionHours returns the PayloadRetentionHours field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPayloadRetentionHours returns the PayloadRetentionHours field value if set, zero value otherwise.
 func (o *MessageIn) GetPayloadRetentionHours() int64 {
-	if o == nil || IsNil(o.PayloadRetentionHours.Get()) {
+	if o == nil || IsNil(o.PayloadRetentionHours) {
 		var ret int64
 		return ret
 	}
-	return *o.PayloadRetentionHours.Get()
+	return *o.PayloadRetentionHours
 }
 
 // GetPayloadRetentionHoursOk returns a tuple with the PayloadRetentionHours field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageIn) GetPayloadRetentionHoursOk() (*int64, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PayloadRetentionHours) {
 		return nil, false
 	}
-	return o.PayloadRetentionHours.Get(), o.PayloadRetentionHours.IsSet()
+	return o.PayloadRetentionHours, true
 }
 
 // HasPayloadRetentionHours returns a boolean if a field has been set.
 func (o *MessageIn) HasPayloadRetentionHours() bool {
-	if o != nil && o.PayloadRetentionHours.IsSet() {
+	if o != nil && !IsNil(o.PayloadRetentionHours) {
 		return true
 	}
 
 	return false
 }
 
-// SetPayloadRetentionHours gets a reference to the given NullableInt64 and assigns it to the PayloadRetentionHours field.
+// SetPayloadRetentionHours gets a reference to the given int64 and assigns it to the PayloadRetentionHours field.
 func (o *MessageIn) SetPayloadRetentionHours(v int64) {
-	o.PayloadRetentionHours.Set(&v)
-}
-// SetPayloadRetentionHoursNil sets the value for PayloadRetentionHours to be an explicit nil
-func (o *MessageIn) SetPayloadRetentionHoursNil() {
-	o.PayloadRetentionHours.Set(nil)
-}
-
-// UnsetPayloadRetentionHours ensures that no value is present for PayloadRetentionHours, not even an explicit nil
-func (o *MessageIn) UnsetPayloadRetentionHours() {
-	o.PayloadRetentionHours.Unset()
+	o.PayloadRetentionHours = &v
 }
 
-// GetPayloadRetentionPeriod returns the PayloadRetentionPeriod field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetPayloadRetentionPeriod returns the PayloadRetentionPeriod field value if set, zero value otherwise.
 func (o *MessageIn) GetPayloadRetentionPeriod() int64 {
-	if o == nil || IsNil(o.PayloadRetentionPeriod.Get()) {
+	if o == nil || IsNil(o.PayloadRetentionPeriod) {
 		var ret int64
 		return ret
 	}
-	return *o.PayloadRetentionPeriod.Get()
+	return *o.PayloadRetentionPeriod
 }
 
 // GetPayloadRetentionPeriodOk returns a tuple with the PayloadRetentionPeriod field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageIn) GetPayloadRetentionPeriodOk() (*int64, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.PayloadRetentionPeriod) {
 		return nil, false
 	}
-	return o.PayloadRetentionPeriod.Get(), o.PayloadRetentionPeriod.IsSet()
+	return o.PayloadRetentionPeriod, true
 }
 
 // HasPayloadRetentionPeriod returns a boolean if a field has been set.
 func (o *MessageIn) HasPayloadRetentionPeriod() bool {
-	if o != nil && o.PayloadRetentionPeriod.IsSet() {
+	if o != nil && !IsNil(o.PayloadRetentionPeriod) {
 		return true
 	}
 
 	return false
 }
 
-// SetPayloadRetentionPeriod gets a reference to the given NullableInt64 and assigns it to the PayloadRetentionPeriod field.
+// SetPayloadRetentionPeriod gets a reference to the given int64 and assigns it to the PayloadRetentionPeriod field.
 func (o *MessageIn) SetPayloadRetentionPeriod(v int64) {
-	o.PayloadRetentionPeriod.Set(&v)
-}
-// SetPayloadRetentionPeriodNil sets the value for PayloadRetentionPeriod to be an explicit nil
-func (o *MessageIn) SetPayloadRetentionPeriodNil() {
-	o.PayloadRetentionPeriod.Set(nil)
-}
-
-// UnsetPayloadRetentionPeriod ensures that no value is present for PayloadRetentionPeriod, not even an explicit nil
-func (o *MessageIn) UnsetPayloadRetentionPeriod() {
-	o.PayloadRetentionPeriod.Unset()
+	o.PayloadRetentionPeriod = &v
 }
 
-// GetTags returns the Tags field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetTags returns the Tags field value if set, zero value otherwise.
 func (o *MessageIn) GetTags() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Tags) {
 		var ret []string
 		return ret
 	}
@@ -315,7 +284,6 @@ func (o *MessageIn) GetTags() []string {
 
 // GetTagsOk returns a tuple with the Tags field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageIn) GetTagsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Tags) {
 		return nil, false
@@ -337,9 +305,9 @@ func (o *MessageIn) SetTags(v []string) {
 	o.Tags = v
 }
 
-// GetTransformationsParams returns the TransformationsParams field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetTransformationsParams returns the TransformationsParams field value if set, zero value otherwise.
 func (o *MessageIn) GetTransformationsParams() map[string]interface{} {
-	if o == nil {
+	if o == nil || IsNil(o.TransformationsParams) {
 		var ret map[string]interface{}
 		return ret
 	}
@@ -348,7 +316,6 @@ func (o *MessageIn) GetTransformationsParams() map[string]interface{} {
 
 // GetTransformationsParamsOk returns a tuple with the TransformationsParams field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageIn) GetTransformationsParamsOk() (map[string]interface{}, bool) {
 	if o == nil || IsNil(o.TransformationsParams) {
 		return map[string]interface{}{}, false
@@ -383,24 +350,24 @@ func (o MessageIn) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Application) {
 		toSerialize["application"] = o.Application
 	}
-	if o.Channels != nil {
+	if !IsNil(o.Channels) {
 		toSerialize["channels"] = o.Channels
 	}
-	if o.EventId.IsSet() {
-		toSerialize["eventId"] = o.EventId.Get()
+	if !IsNil(o.EventId) {
+		toSerialize["eventId"] = o.EventId
 	}
 	toSerialize["eventType"] = o.EventType
 	toSerialize["payload"] = o.Payload
-	if o.PayloadRetentionHours.IsSet() {
-		toSerialize["payloadRetentionHours"] = o.PayloadRetentionHours.Get()
+	if !IsNil(o.PayloadRetentionHours) {
+		toSerialize["payloadRetentionHours"] = o.PayloadRetentionHours
 	}
-	if o.PayloadRetentionPeriod.IsSet() {
-		toSerialize["payloadRetentionPeriod"] = o.PayloadRetentionPeriod.Get()
+	if !IsNil(o.PayloadRetentionPeriod) {
+		toSerialize["payloadRetentionPeriod"] = o.PayloadRetentionPeriod
 	}
-	if o.Tags != nil {
+	if !IsNil(o.Tags) {
 		toSerialize["tags"] = o.Tags
 	}
-	if o.TransformationsParams != nil {
+	if !IsNil(o.TransformationsParams) {
 		toSerialize["transformationsParams"] = o.TransformationsParams
 	}
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_message_out.go b/go/internal/openapi/model_message_out.go
index 9bd42f3a6..7c11c1d57 100644
--- a/go/internal/openapi/model_message_out.go
+++ b/go/internal/openapi/model_message_out.go
@@ -25,7 +25,7 @@ type MessageOut struct {
 	// List of free-form identifiers that endpoints can filter by
 	Channels []string `json:"channels,omitempty"`
 	// Optional unique identifier for the message
-	EventId NullableString `json:"eventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	EventId *string `json:"eventId,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The event type's name
 	EventType string `json:"eventType" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	// The msg's ID
@@ -58,9 +58,9 @@ func NewMessageOutWithDefaults() *MessageOut {
 	return &this
 }
 
-// GetChannels returns the Channels field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannels returns the Channels field value if set, zero value otherwise.
 func (o *MessageOut) GetChannels() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Channels) {
 		var ret []string
 		return ret
 	}
@@ -69,7 +69,6 @@ func (o *MessageOut) GetChannels() []string {
 
 // GetChannelsOk returns a tuple with the Channels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageOut) GetChannelsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Channels) {
 		return nil, false
@@ -91,46 +90,36 @@ func (o *MessageOut) SetChannels(v []string) {
 	o.Channels = v
 }
 
-// GetEventId returns the EventId field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetEventId returns the EventId field value if set, zero value otherwise.
 func (o *MessageOut) GetEventId() string {
-	if o == nil || IsNil(o.EventId.Get()) {
+	if o == nil || IsNil(o.EventId) {
 		var ret string
 		return ret
 	}
-	return *o.EventId.Get()
+	return *o.EventId
 }
 
 // GetEventIdOk returns a tuple with the EventId field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageOut) GetEventIdOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.EventId) {
 		return nil, false
 	}
-	return o.EventId.Get(), o.EventId.IsSet()
+	return o.EventId, true
 }
 
 // HasEventId returns a boolean if a field has been set.
 func (o *MessageOut) HasEventId() bool {
-	if o != nil && o.EventId.IsSet() {
+	if o != nil && !IsNil(o.EventId) {
 		return true
 	}
 
 	return false
 }
 
-// SetEventId gets a reference to the given NullableString and assigns it to the EventId field.
+// SetEventId gets a reference to the given string and assigns it to the EventId field.
 func (o *MessageOut) SetEventId(v string) {
-	o.EventId.Set(&v)
-}
-// SetEventIdNil sets the value for EventId to be an explicit nil
-func (o *MessageOut) SetEventIdNil() {
-	o.EventId.Set(nil)
-}
-
-// UnsetEventId ensures that no value is present for EventId, not even an explicit nil
-func (o *MessageOut) UnsetEventId() {
-	o.EventId.Unset()
+	o.EventId = &v
 }
 
 // GetEventType returns the EventType field value
@@ -205,9 +194,9 @@ func (o *MessageOut) SetPayload(v map[string]interface{}) {
 	o.Payload = v
 }
 
-// GetTags returns the Tags field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetTags returns the Tags field value if set, zero value otherwise.
 func (o *MessageOut) GetTags() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Tags) {
 		var ret []string
 		return ret
 	}
@@ -216,7 +205,6 @@ func (o *MessageOut) GetTags() []string {
 
 // GetTagsOk returns a tuple with the Tags field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *MessageOut) GetTagsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Tags) {
 		return nil, false
@@ -272,16 +260,16 @@ func (o MessageOut) MarshalJSON() ([]byte, error) {
 
 func (o MessageOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Channels != nil {
+	if !IsNil(o.Channels) {
 		toSerialize["channels"] = o.Channels
 	}
-	if o.EventId.IsSet() {
-		toSerialize["eventId"] = o.EventId.Get()
+	if !IsNil(o.EventId) {
+		toSerialize["eventId"] = o.EventId
 	}
 	toSerialize["eventType"] = o.EventType
 	toSerialize["id"] = o.Id
 	toSerialize["payload"] = o.Payload
-	if o.Tags != nil {
+	if !IsNil(o.Tags) {
 		toSerialize["tags"] = o.Tags
 	}
 	toSerialize["timestamp"] = o.Timestamp
diff --git a/go/internal/openapi/model_o_auth_payload_out.go b/go/internal/openapi/model_o_auth_payload_out.go
index 09d30765e..0d31d88ba 100644
--- a/go/internal/openapi/model_o_auth_payload_out.go
+++ b/go/internal/openapi/model_o_auth_payload_out.go
@@ -19,9 +19,9 @@ var _ MappedNullable = &OAuthPayloadOut{}
 
 // OAuthPayloadOut struct for OAuthPayloadOut
 type OAuthPayloadOut struct {
-	AccessToken NullableString `json:"accessToken,omitempty"`
-	Error NullableString `json:"error,omitempty"`
-	RefreshToken NullableString `json:"refreshToken,omitempty"`
+	AccessToken *string `json:"accessToken,omitempty"`
+	Error *string `json:"error,omitempty"`
+	RefreshToken *string `json:"refreshToken,omitempty"`
 }
 
 // NewOAuthPayloadOut instantiates a new OAuthPayloadOut object
@@ -41,130 +41,100 @@ func NewOAuthPayloadOutWithDefaults() *OAuthPayloadOut {
 	return &this
 }
 
-// GetAccessToken returns the AccessToken field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetAccessToken returns the AccessToken field value if set, zero value otherwise.
 func (o *OAuthPayloadOut) GetAccessToken() string {
-	if o == nil || IsNil(o.AccessToken.Get()) {
+	if o == nil || IsNil(o.AccessToken) {
 		var ret string
 		return ret
 	}
-	return *o.AccessToken.Get()
+	return *o.AccessToken
 }
 
 // GetAccessTokenOk returns a tuple with the AccessToken field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OAuthPayloadOut) GetAccessTokenOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.AccessToken) {
 		return nil, false
 	}
-	return o.AccessToken.Get(), o.AccessToken.IsSet()
+	return o.AccessToken, true
 }
 
 // HasAccessToken returns a boolean if a field has been set.
 func (o *OAuthPayloadOut) HasAccessToken() bool {
-	if o != nil && o.AccessToken.IsSet() {
+	if o != nil && !IsNil(o.AccessToken) {
 		return true
 	}
 
 	return false
 }
 
-// SetAccessToken gets a reference to the given NullableString and assigns it to the AccessToken field.
+// SetAccessToken gets a reference to the given string and assigns it to the AccessToken field.
 func (o *OAuthPayloadOut) SetAccessToken(v string) {
-	o.AccessToken.Set(&v)
-}
-// SetAccessTokenNil sets the value for AccessToken to be an explicit nil
-func (o *OAuthPayloadOut) SetAccessTokenNil() {
-	o.AccessToken.Set(nil)
-}
-
-// UnsetAccessToken ensures that no value is present for AccessToken, not even an explicit nil
-func (o *OAuthPayloadOut) UnsetAccessToken() {
-	o.AccessToken.Unset()
+	o.AccessToken = &v
 }
 
-// GetError returns the Error field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetError returns the Error field value if set, zero value otherwise.
 func (o *OAuthPayloadOut) GetError() string {
-	if o == nil || IsNil(o.Error.Get()) {
+	if o == nil || IsNil(o.Error) {
 		var ret string
 		return ret
 	}
-	return *o.Error.Get()
+	return *o.Error
 }
 
 // GetErrorOk returns a tuple with the Error field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OAuthPayloadOut) GetErrorOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Error) {
 		return nil, false
 	}
-	return o.Error.Get(), o.Error.IsSet()
+	return o.Error, true
 }
 
 // HasError returns a boolean if a field has been set.
 func (o *OAuthPayloadOut) HasError() bool {
-	if o != nil && o.Error.IsSet() {
+	if o != nil && !IsNil(o.Error) {
 		return true
 	}
 
 	return false
 }
 
-// SetError gets a reference to the given NullableString and assigns it to the Error field.
+// SetError gets a reference to the given string and assigns it to the Error field.
 func (o *OAuthPayloadOut) SetError(v string) {
-	o.Error.Set(&v)
-}
-// SetErrorNil sets the value for Error to be an explicit nil
-func (o *OAuthPayloadOut) SetErrorNil() {
-	o.Error.Set(nil)
+	o.Error = &v
 }
 
-// UnsetError ensures that no value is present for Error, not even an explicit nil
-func (o *OAuthPayloadOut) UnsetError() {
-	o.Error.Unset()
-}
-
-// GetRefreshToken returns the RefreshToken field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetRefreshToken returns the RefreshToken field value if set, zero value otherwise.
 func (o *OAuthPayloadOut) GetRefreshToken() string {
-	if o == nil || IsNil(o.RefreshToken.Get()) {
+	if o == nil || IsNil(o.RefreshToken) {
 		var ret string
 		return ret
 	}
-	return *o.RefreshToken.Get()
+	return *o.RefreshToken
 }
 
 // GetRefreshTokenOk returns a tuple with the RefreshToken field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OAuthPayloadOut) GetRefreshTokenOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.RefreshToken) {
 		return nil, false
 	}
-	return o.RefreshToken.Get(), o.RefreshToken.IsSet()
+	return o.RefreshToken, true
 }
 
 // HasRefreshToken returns a boolean if a field has been set.
 func (o *OAuthPayloadOut) HasRefreshToken() bool {
-	if o != nil && o.RefreshToken.IsSet() {
+	if o != nil && !IsNil(o.RefreshToken) {
 		return true
 	}
 
 	return false
 }
 
-// SetRefreshToken gets a reference to the given NullableString and assigns it to the RefreshToken field.
+// SetRefreshToken gets a reference to the given string and assigns it to the RefreshToken field.
 func (o *OAuthPayloadOut) SetRefreshToken(v string) {
-	o.RefreshToken.Set(&v)
-}
-// SetRefreshTokenNil sets the value for RefreshToken to be an explicit nil
-func (o *OAuthPayloadOut) SetRefreshTokenNil() {
-	o.RefreshToken.Set(nil)
-}
-
-// UnsetRefreshToken ensures that no value is present for RefreshToken, not even an explicit nil
-func (o *OAuthPayloadOut) UnsetRefreshToken() {
-	o.RefreshToken.Unset()
+	o.RefreshToken = &v
 }
 
 func (o OAuthPayloadOut) MarshalJSON() ([]byte, error) {
@@ -177,14 +147,14 @@ func (o OAuthPayloadOut) MarshalJSON() ([]byte, error) {
 
 func (o OAuthPayloadOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.AccessToken.IsSet() {
-		toSerialize["accessToken"] = o.AccessToken.Get()
+	if !IsNil(o.AccessToken) {
+		toSerialize["accessToken"] = o.AccessToken
 	}
-	if o.Error.IsSet() {
-		toSerialize["error"] = o.Error.Get()
+	if !IsNil(o.Error) {
+		toSerialize["error"] = o.Error
 	}
-	if o.RefreshToken.IsSet() {
-		toSerialize["refreshToken"] = o.RefreshToken.Get()
+	if !IsNil(o.RefreshToken) {
+		toSerialize["refreshToken"] = o.RefreshToken
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_operational_webhook_endpoint_in.go b/go/internal/openapi/model_operational_webhook_endpoint_in.go
index c0ad246c1..2e0fffeea 100644
--- a/go/internal/openapi/model_operational_webhook_endpoint_in.go
+++ b/go/internal/openapi/model_operational_webhook_endpoint_in.go
@@ -25,11 +25,11 @@ type OperationalWebhookEndpointIn struct {
 	Disabled *bool `json:"disabled,omitempty"`
 	FilterTypes []string `json:"filterTypes,omitempty"`
 	Metadata *map[string]string `json:"metadata,omitempty"`
-	RateLimit NullableInt32 `json:"rateLimit,omitempty"`
+	RateLimit *int32 `json:"rateLimit,omitempty"`
 	// The endpoint's verification secret. If `null` is passed, a secret is automatically generated. Format: `base64` encoded random bytes optionally prefixed with `whsec_`. Recommended size: 24.
-	Secret NullableString `json:"secret,omitempty" validate:"regexp=^(whsec_)?[a-zA-Z0-9+\\/=]{32,100}$"`
+	Secret *string `json:"secret,omitempty" validate:"regexp=^(whsec_)?[a-zA-Z0-9+\\/=]{32,100}$"`
 	// Optional unique identifier for the endpoint
-	Uid NullableString `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	Uid *string `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	Url string `json:"url"`
 }
 
@@ -125,9 +125,9 @@ func (o *OperationalWebhookEndpointIn) SetDisabled(v bool) {
 	o.Disabled = &v
 }
 
-// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise.
 func (o *OperationalWebhookEndpointIn) GetFilterTypes() []string {
-	if o == nil {
+	if o == nil || IsNil(o.FilterTypes) {
 		var ret []string
 		return ret
 	}
@@ -136,7 +136,6 @@ func (o *OperationalWebhookEndpointIn) GetFilterTypes() []string {
 
 // GetFilterTypesOk returns a tuple with the FilterTypes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OperationalWebhookEndpointIn) GetFilterTypesOk() ([]string, bool) {
 	if o == nil || IsNil(o.FilterTypes) {
 		return nil, false
@@ -190,130 +189,100 @@ func (o *OperationalWebhookEndpointIn) SetMetadata(v map[string]string) {
 	o.Metadata = &v
 }
 
-// GetRateLimit returns the RateLimit field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetRateLimit returns the RateLimit field value if set, zero value otherwise.
 func (o *OperationalWebhookEndpointIn) GetRateLimit() int32 {
-	if o == nil || IsNil(o.RateLimit.Get()) {
+	if o == nil || IsNil(o.RateLimit) {
 		var ret int32
 		return ret
 	}
-	return *o.RateLimit.Get()
+	return *o.RateLimit
 }
 
 // GetRateLimitOk returns a tuple with the RateLimit field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OperationalWebhookEndpointIn) GetRateLimitOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.RateLimit) {
 		return nil, false
 	}
-	return o.RateLimit.Get(), o.RateLimit.IsSet()
+	return o.RateLimit, true
 }
 
 // HasRateLimit returns a boolean if a field has been set.
 func (o *OperationalWebhookEndpointIn) HasRateLimit() bool {
-	if o != nil && o.RateLimit.IsSet() {
+	if o != nil && !IsNil(o.RateLimit) {
 		return true
 	}
 
 	return false
 }
 
-// SetRateLimit gets a reference to the given NullableInt32 and assigns it to the RateLimit field.
+// SetRateLimit gets a reference to the given int32 and assigns it to the RateLimit field.
 func (o *OperationalWebhookEndpointIn) SetRateLimit(v int32) {
-	o.RateLimit.Set(&v)
-}
-// SetRateLimitNil sets the value for RateLimit to be an explicit nil
-func (o *OperationalWebhookEndpointIn) SetRateLimitNil() {
-	o.RateLimit.Set(nil)
+	o.RateLimit = &v
 }
 
-// UnsetRateLimit ensures that no value is present for RateLimit, not even an explicit nil
-func (o *OperationalWebhookEndpointIn) UnsetRateLimit() {
-	o.RateLimit.Unset()
-}
-
-// GetSecret returns the Secret field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetSecret returns the Secret field value if set, zero value otherwise.
 func (o *OperationalWebhookEndpointIn) GetSecret() string {
-	if o == nil || IsNil(o.Secret.Get()) {
+	if o == nil || IsNil(o.Secret) {
 		var ret string
 		return ret
 	}
-	return *o.Secret.Get()
+	return *o.Secret
 }
 
 // GetSecretOk returns a tuple with the Secret field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OperationalWebhookEndpointIn) GetSecretOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Secret) {
 		return nil, false
 	}
-	return o.Secret.Get(), o.Secret.IsSet()
+	return o.Secret, true
 }
 
 // HasSecret returns a boolean if a field has been set.
 func (o *OperationalWebhookEndpointIn) HasSecret() bool {
-	if o != nil && o.Secret.IsSet() {
+	if o != nil && !IsNil(o.Secret) {
 		return true
 	}
 
 	return false
 }
 
-// SetSecret gets a reference to the given NullableString and assigns it to the Secret field.
+// SetSecret gets a reference to the given string and assigns it to the Secret field.
 func (o *OperationalWebhookEndpointIn) SetSecret(v string) {
-	o.Secret.Set(&v)
-}
-// SetSecretNil sets the value for Secret to be an explicit nil
-func (o *OperationalWebhookEndpointIn) SetSecretNil() {
-	o.Secret.Set(nil)
-}
-
-// UnsetSecret ensures that no value is present for Secret, not even an explicit nil
-func (o *OperationalWebhookEndpointIn) UnsetSecret() {
-	o.Secret.Unset()
+	o.Secret = &v
 }
 
-// GetUid returns the Uid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetUid returns the Uid field value if set, zero value otherwise.
 func (o *OperationalWebhookEndpointIn) GetUid() string {
-	if o == nil || IsNil(o.Uid.Get()) {
+	if o == nil || IsNil(o.Uid) {
 		var ret string
 		return ret
 	}
-	return *o.Uid.Get()
+	return *o.Uid
 }
 
 // GetUidOk returns a tuple with the Uid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OperationalWebhookEndpointIn) GetUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Uid) {
 		return nil, false
 	}
-	return o.Uid.Get(), o.Uid.IsSet()
+	return o.Uid, true
 }
 
 // HasUid returns a boolean if a field has been set.
 func (o *OperationalWebhookEndpointIn) HasUid() bool {
-	if o != nil && o.Uid.IsSet() {
+	if o != nil && !IsNil(o.Uid) {
 		return true
 	}
 
 	return false
 }
 
-// SetUid gets a reference to the given NullableString and assigns it to the Uid field.
+// SetUid gets a reference to the given string and assigns it to the Uid field.
 func (o *OperationalWebhookEndpointIn) SetUid(v string) {
-	o.Uid.Set(&v)
-}
-// SetUidNil sets the value for Uid to be an explicit nil
-func (o *OperationalWebhookEndpointIn) SetUidNil() {
-	o.Uid.Set(nil)
-}
-
-// UnsetUid ensures that no value is present for Uid, not even an explicit nil
-func (o *OperationalWebhookEndpointIn) UnsetUid() {
-	o.Uid.Unset()
+	o.Uid = &v
 }
 
 // GetUrl returns the Url field value
@@ -356,20 +325,20 @@ func (o OperationalWebhookEndpointIn) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Disabled) {
 		toSerialize["disabled"] = o.Disabled
 	}
-	if o.FilterTypes != nil {
+	if !IsNil(o.FilterTypes) {
 		toSerialize["filterTypes"] = o.FilterTypes
 	}
 	if !IsNil(o.Metadata) {
 		toSerialize["metadata"] = o.Metadata
 	}
-	if o.RateLimit.IsSet() {
-		toSerialize["rateLimit"] = o.RateLimit.Get()
+	if !IsNil(o.RateLimit) {
+		toSerialize["rateLimit"] = o.RateLimit
 	}
-	if o.Secret.IsSet() {
-		toSerialize["secret"] = o.Secret.Get()
+	if !IsNil(o.Secret) {
+		toSerialize["secret"] = o.Secret
 	}
-	if o.Uid.IsSet() {
-		toSerialize["uid"] = o.Uid.Get()
+	if !IsNil(o.Uid) {
+		toSerialize["uid"] = o.Uid
 	}
 	toSerialize["url"] = o.Url
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_operational_webhook_endpoint_out.go b/go/internal/openapi/model_operational_webhook_endpoint_out.go
index 88d240ee9..5871a8ef3 100644
--- a/go/internal/openapi/model_operational_webhook_endpoint_out.go
+++ b/go/internal/openapi/model_operational_webhook_endpoint_out.go
@@ -30,9 +30,9 @@ type OperationalWebhookEndpointOut struct {
 	// The ep's ID
 	Id string `json:"id"`
 	Metadata map[string]string `json:"metadata"`
-	RateLimit NullableInt32 `json:"rateLimit,omitempty"`
+	RateLimit *int32 `json:"rateLimit,omitempty"`
 	// Optional unique identifier for the endpoint
-	Uid NullableString `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	Uid *string `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	UpdatedAt time.Time `json:"updatedAt"`
 	Url string `json:"url"`
 }
@@ -146,9 +146,9 @@ func (o *OperationalWebhookEndpointOut) SetDisabled(v bool) {
 	o.Disabled = &v
 }
 
-// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise.
 func (o *OperationalWebhookEndpointOut) GetFilterTypes() []string {
-	if o == nil {
+	if o == nil || IsNil(o.FilterTypes) {
 		var ret []string
 		return ret
 	}
@@ -157,7 +157,6 @@ func (o *OperationalWebhookEndpointOut) GetFilterTypes() []string {
 
 // GetFilterTypesOk returns a tuple with the FilterTypes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OperationalWebhookEndpointOut) GetFilterTypesOk() ([]string, bool) {
 	if o == nil || IsNil(o.FilterTypes) {
 		return nil, false
@@ -227,88 +226,68 @@ func (o *OperationalWebhookEndpointOut) SetMetadata(v map[string]string) {
 	o.Metadata = v
 }
 
-// GetRateLimit returns the RateLimit field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetRateLimit returns the RateLimit field value if set, zero value otherwise.
 func (o *OperationalWebhookEndpointOut) GetRateLimit() int32 {
-	if o == nil || IsNil(o.RateLimit.Get()) {
+	if o == nil || IsNil(o.RateLimit) {
 		var ret int32
 		return ret
 	}
-	return *o.RateLimit.Get()
+	return *o.RateLimit
 }
 
 // GetRateLimitOk returns a tuple with the RateLimit field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OperationalWebhookEndpointOut) GetRateLimitOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.RateLimit) {
 		return nil, false
 	}
-	return o.RateLimit.Get(), o.RateLimit.IsSet()
+	return o.RateLimit, true
 }
 
 // HasRateLimit returns a boolean if a field has been set.
 func (o *OperationalWebhookEndpointOut) HasRateLimit() bool {
-	if o != nil && o.RateLimit.IsSet() {
+	if o != nil && !IsNil(o.RateLimit) {
 		return true
 	}
 
 	return false
 }
 
-// SetRateLimit gets a reference to the given NullableInt32 and assigns it to the RateLimit field.
+// SetRateLimit gets a reference to the given int32 and assigns it to the RateLimit field.
 func (o *OperationalWebhookEndpointOut) SetRateLimit(v int32) {
-	o.RateLimit.Set(&v)
-}
-// SetRateLimitNil sets the value for RateLimit to be an explicit nil
-func (o *OperationalWebhookEndpointOut) SetRateLimitNil() {
-	o.RateLimit.Set(nil)
-}
-
-// UnsetRateLimit ensures that no value is present for RateLimit, not even an explicit nil
-func (o *OperationalWebhookEndpointOut) UnsetRateLimit() {
-	o.RateLimit.Unset()
+	o.RateLimit = &v
 }
 
-// GetUid returns the Uid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetUid returns the Uid field value if set, zero value otherwise.
 func (o *OperationalWebhookEndpointOut) GetUid() string {
-	if o == nil || IsNil(o.Uid.Get()) {
+	if o == nil || IsNil(o.Uid) {
 		var ret string
 		return ret
 	}
-	return *o.Uid.Get()
+	return *o.Uid
 }
 
 // GetUidOk returns a tuple with the Uid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OperationalWebhookEndpointOut) GetUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Uid) {
 		return nil, false
 	}
-	return o.Uid.Get(), o.Uid.IsSet()
+	return o.Uid, true
 }
 
 // HasUid returns a boolean if a field has been set.
 func (o *OperationalWebhookEndpointOut) HasUid() bool {
-	if o != nil && o.Uid.IsSet() {
+	if o != nil && !IsNil(o.Uid) {
 		return true
 	}
 
 	return false
 }
 
-// SetUid gets a reference to the given NullableString and assigns it to the Uid field.
+// SetUid gets a reference to the given string and assigns it to the Uid field.
 func (o *OperationalWebhookEndpointOut) SetUid(v string) {
-	o.Uid.Set(&v)
-}
-// SetUidNil sets the value for Uid to be an explicit nil
-func (o *OperationalWebhookEndpointOut) SetUidNil() {
-	o.Uid.Set(nil)
-}
-
-// UnsetUid ensures that no value is present for Uid, not even an explicit nil
-func (o *OperationalWebhookEndpointOut) UnsetUid() {
-	o.Uid.Unset()
+	o.Uid = &v
 }
 
 // GetUpdatedAt returns the UpdatedAt field value
@@ -374,16 +353,16 @@ func (o OperationalWebhookEndpointOut) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Disabled) {
 		toSerialize["disabled"] = o.Disabled
 	}
-	if o.FilterTypes != nil {
+	if !IsNil(o.FilterTypes) {
 		toSerialize["filterTypes"] = o.FilterTypes
 	}
 	toSerialize["id"] = o.Id
 	toSerialize["metadata"] = o.Metadata
-	if o.RateLimit.IsSet() {
-		toSerialize["rateLimit"] = o.RateLimit.Get()
+	if !IsNil(o.RateLimit) {
+		toSerialize["rateLimit"] = o.RateLimit
 	}
-	if o.Uid.IsSet() {
-		toSerialize["uid"] = o.Uid.Get()
+	if !IsNil(o.Uid) {
+		toSerialize["uid"] = o.Uid
 	}
 	toSerialize["updatedAt"] = o.UpdatedAt
 	toSerialize["url"] = o.Url
diff --git a/go/internal/openapi/model_operational_webhook_endpoint_secret_in.go b/go/internal/openapi/model_operational_webhook_endpoint_secret_in.go
index c72128ec2..2e3a5985b 100644
--- a/go/internal/openapi/model_operational_webhook_endpoint_secret_in.go
+++ b/go/internal/openapi/model_operational_webhook_endpoint_secret_in.go
@@ -20,7 +20,7 @@ var _ MappedNullable = &OperationalWebhookEndpointSecretIn{}
 // OperationalWebhookEndpointSecretIn struct for OperationalWebhookEndpointSecretIn
 type OperationalWebhookEndpointSecretIn struct {
 	// The endpoint's verification secret. If `null` is passed, a secret is automatically generated. Format: `base64` encoded random bytes optionally prefixed with `whsec_`. Recommended size: 24.
-	Key NullableString `json:"key,omitempty" validate:"regexp=^(whsec_)?[a-zA-Z0-9+\\/=]{32,100}$"`
+	Key *string `json:"key,omitempty" validate:"regexp=^(whsec_)?[a-zA-Z0-9+\\/=]{32,100}$"`
 }
 
 // NewOperationalWebhookEndpointSecretIn instantiates a new OperationalWebhookEndpointSecretIn object
@@ -40,46 +40,36 @@ func NewOperationalWebhookEndpointSecretInWithDefaults() *OperationalWebhookEndp
 	return &this
 }
 
-// GetKey returns the Key field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetKey returns the Key field value if set, zero value otherwise.
 func (o *OperationalWebhookEndpointSecretIn) GetKey() string {
-	if o == nil || IsNil(o.Key.Get()) {
+	if o == nil || IsNil(o.Key) {
 		var ret string
 		return ret
 	}
-	return *o.Key.Get()
+	return *o.Key
 }
 
 // GetKeyOk returns a tuple with the Key field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OperationalWebhookEndpointSecretIn) GetKeyOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Key) {
 		return nil, false
 	}
-	return o.Key.Get(), o.Key.IsSet()
+	return o.Key, true
 }
 
 // HasKey returns a boolean if a field has been set.
 func (o *OperationalWebhookEndpointSecretIn) HasKey() bool {
-	if o != nil && o.Key.IsSet() {
+	if o != nil && !IsNil(o.Key) {
 		return true
 	}
 
 	return false
 }
 
-// SetKey gets a reference to the given NullableString and assigns it to the Key field.
+// SetKey gets a reference to the given string and assigns it to the Key field.
 func (o *OperationalWebhookEndpointSecretIn) SetKey(v string) {
-	o.Key.Set(&v)
-}
-// SetKeyNil sets the value for Key to be an explicit nil
-func (o *OperationalWebhookEndpointSecretIn) SetKeyNil() {
-	o.Key.Set(nil)
-}
-
-// UnsetKey ensures that no value is present for Key, not even an explicit nil
-func (o *OperationalWebhookEndpointSecretIn) UnsetKey() {
-	o.Key.Unset()
+	o.Key = &v
 }
 
 func (o OperationalWebhookEndpointSecretIn) MarshalJSON() ([]byte, error) {
@@ -92,8 +82,8 @@ func (o OperationalWebhookEndpointSecretIn) MarshalJSON() ([]byte, error) {
 
 func (o OperationalWebhookEndpointSecretIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Key.IsSet() {
-		toSerialize["key"] = o.Key.Get()
+	if !IsNil(o.Key) {
+		toSerialize["key"] = o.Key
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_operational_webhook_endpoint_update.go b/go/internal/openapi/model_operational_webhook_endpoint_update.go
index a14925059..f9a4774d6 100644
--- a/go/internal/openapi/model_operational_webhook_endpoint_update.go
+++ b/go/internal/openapi/model_operational_webhook_endpoint_update.go
@@ -25,9 +25,9 @@ type OperationalWebhookEndpointUpdate struct {
 	Disabled *bool `json:"disabled,omitempty"`
 	FilterTypes []string `json:"filterTypes,omitempty"`
 	Metadata *map[string]string `json:"metadata,omitempty"`
-	RateLimit NullableInt32 `json:"rateLimit,omitempty"`
+	RateLimit *int32 `json:"rateLimit,omitempty"`
 	// Optional unique identifier for the endpoint
-	Uid NullableString `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	Uid *string `json:"uid,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	Url string `json:"url"`
 }
 
@@ -123,9 +123,9 @@ func (o *OperationalWebhookEndpointUpdate) SetDisabled(v bool) {
 	o.Disabled = &v
 }
 
-// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise.
 func (o *OperationalWebhookEndpointUpdate) GetFilterTypes() []string {
-	if o == nil {
+	if o == nil || IsNil(o.FilterTypes) {
 		var ret []string
 		return ret
 	}
@@ -134,7 +134,6 @@ func (o *OperationalWebhookEndpointUpdate) GetFilterTypes() []string {
 
 // GetFilterTypesOk returns a tuple with the FilterTypes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OperationalWebhookEndpointUpdate) GetFilterTypesOk() ([]string, bool) {
 	if o == nil || IsNil(o.FilterTypes) {
 		return nil, false
@@ -188,88 +187,68 @@ func (o *OperationalWebhookEndpointUpdate) SetMetadata(v map[string]string) {
 	o.Metadata = &v
 }
 
-// GetRateLimit returns the RateLimit field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetRateLimit returns the RateLimit field value if set, zero value otherwise.
 func (o *OperationalWebhookEndpointUpdate) GetRateLimit() int32 {
-	if o == nil || IsNil(o.RateLimit.Get()) {
+	if o == nil || IsNil(o.RateLimit) {
 		var ret int32
 		return ret
 	}
-	return *o.RateLimit.Get()
+	return *o.RateLimit
 }
 
 // GetRateLimitOk returns a tuple with the RateLimit field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OperationalWebhookEndpointUpdate) GetRateLimitOk() (*int32, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.RateLimit) {
 		return nil, false
 	}
-	return o.RateLimit.Get(), o.RateLimit.IsSet()
+	return o.RateLimit, true
 }
 
 // HasRateLimit returns a boolean if a field has been set.
 func (o *OperationalWebhookEndpointUpdate) HasRateLimit() bool {
-	if o != nil && o.RateLimit.IsSet() {
+	if o != nil && !IsNil(o.RateLimit) {
 		return true
 	}
 
 	return false
 }
 
-// SetRateLimit gets a reference to the given NullableInt32 and assigns it to the RateLimit field.
+// SetRateLimit gets a reference to the given int32 and assigns it to the RateLimit field.
 func (o *OperationalWebhookEndpointUpdate) SetRateLimit(v int32) {
-	o.RateLimit.Set(&v)
-}
-// SetRateLimitNil sets the value for RateLimit to be an explicit nil
-func (o *OperationalWebhookEndpointUpdate) SetRateLimitNil() {
-	o.RateLimit.Set(nil)
-}
-
-// UnsetRateLimit ensures that no value is present for RateLimit, not even an explicit nil
-func (o *OperationalWebhookEndpointUpdate) UnsetRateLimit() {
-	o.RateLimit.Unset()
+	o.RateLimit = &v
 }
 
-// GetUid returns the Uid field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetUid returns the Uid field value if set, zero value otherwise.
 func (o *OperationalWebhookEndpointUpdate) GetUid() string {
-	if o == nil || IsNil(o.Uid.Get()) {
+	if o == nil || IsNil(o.Uid) {
 		var ret string
 		return ret
 	}
-	return *o.Uid.Get()
+	return *o.Uid
 }
 
 // GetUidOk returns a tuple with the Uid field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *OperationalWebhookEndpointUpdate) GetUidOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Uid) {
 		return nil, false
 	}
-	return o.Uid.Get(), o.Uid.IsSet()
+	return o.Uid, true
 }
 
 // HasUid returns a boolean if a field has been set.
 func (o *OperationalWebhookEndpointUpdate) HasUid() bool {
-	if o != nil && o.Uid.IsSet() {
+	if o != nil && !IsNil(o.Uid) {
 		return true
 	}
 
 	return false
 }
 
-// SetUid gets a reference to the given NullableString and assigns it to the Uid field.
+// SetUid gets a reference to the given string and assigns it to the Uid field.
 func (o *OperationalWebhookEndpointUpdate) SetUid(v string) {
-	o.Uid.Set(&v)
-}
-// SetUidNil sets the value for Uid to be an explicit nil
-func (o *OperationalWebhookEndpointUpdate) SetUidNil() {
-	o.Uid.Set(nil)
-}
-
-// UnsetUid ensures that no value is present for Uid, not even an explicit nil
-func (o *OperationalWebhookEndpointUpdate) UnsetUid() {
-	o.Uid.Unset()
+	o.Uid = &v
 }
 
 // GetUrl returns the Url field value
@@ -312,17 +291,17 @@ func (o OperationalWebhookEndpointUpdate) ToMap() (map[string]interface{}, error
 	if !IsNil(o.Disabled) {
 		toSerialize["disabled"] = o.Disabled
 	}
-	if o.FilterTypes != nil {
+	if !IsNil(o.FilterTypes) {
 		toSerialize["filterTypes"] = o.FilterTypes
 	}
 	if !IsNil(o.Metadata) {
 		toSerialize["metadata"] = o.Metadata
 	}
-	if o.RateLimit.IsSet() {
-		toSerialize["rateLimit"] = o.RateLimit.Get()
+	if !IsNil(o.RateLimit) {
+		toSerialize["rateLimit"] = o.RateLimit
 	}
-	if o.Uid.IsSet() {
-		toSerialize["uid"] = o.Uid.Get()
+	if !IsNil(o.Uid) {
+		toSerialize["uid"] = o.Uid
 	}
 	toSerialize["url"] = o.Url
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_recover_in.go b/go/internal/openapi/model_recover_in.go
index 11531bf27..5cf4e1ab3 100644
--- a/go/internal/openapi/model_recover_in.go
+++ b/go/internal/openapi/model_recover_in.go
@@ -23,7 +23,7 @@ var _ MappedNullable = &RecoverIn{}
 // RecoverIn struct for RecoverIn
 type RecoverIn struct {
 	Since time.Time `json:"since"`
-	Until NullableTime `json:"until,omitempty"`
+	Until *time.Time `json:"until,omitempty"`
 }
 
 type _RecoverIn RecoverIn
@@ -70,46 +70,36 @@ func (o *RecoverIn) SetSince(v time.Time) {
 	o.Since = v
 }
 
-// GetUntil returns the Until field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetUntil returns the Until field value if set, zero value otherwise.
 func (o *RecoverIn) GetUntil() time.Time {
-	if o == nil || IsNil(o.Until.Get()) {
+	if o == nil || IsNil(o.Until) {
 		var ret time.Time
 		return ret
 	}
-	return *o.Until.Get()
+	return *o.Until
 }
 
 // GetUntilOk returns a tuple with the Until field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *RecoverIn) GetUntilOk() (*time.Time, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Until) {
 		return nil, false
 	}
-	return o.Until.Get(), o.Until.IsSet()
+	return o.Until, true
 }
 
 // HasUntil returns a boolean if a field has been set.
 func (o *RecoverIn) HasUntil() bool {
-	if o != nil && o.Until.IsSet() {
+	if o != nil && !IsNil(o.Until) {
 		return true
 	}
 
 	return false
 }
 
-// SetUntil gets a reference to the given NullableTime and assigns it to the Until field.
+// SetUntil gets a reference to the given time.Time and assigns it to the Until field.
 func (o *RecoverIn) SetUntil(v time.Time) {
-	o.Until.Set(&v)
-}
-// SetUntilNil sets the value for Until to be an explicit nil
-func (o *RecoverIn) SetUntilNil() {
-	o.Until.Set(nil)
-}
-
-// UnsetUntil ensures that no value is present for Until, not even an explicit nil
-func (o *RecoverIn) UnsetUntil() {
-	o.Until.Unset()
+	o.Until = &v
 }
 
 func (o RecoverIn) MarshalJSON() ([]byte, error) {
@@ -123,8 +113,8 @@ func (o RecoverIn) MarshalJSON() ([]byte, error) {
 func (o RecoverIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["since"] = o.Since
-	if o.Until.IsSet() {
-		toSerialize["until"] = o.Until.Get()
+	if !IsNil(o.Until) {
+		toSerialize["until"] = o.Until
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_redshift_config.go b/go/internal/openapi/model_redshift_config.go
index 8cfb7b34d..c2ffb580b 100644
--- a/go/internal/openapi/model_redshift_config.go
+++ b/go/internal/openapi/model_redshift_config.go
@@ -28,7 +28,7 @@ type RedshiftConfig struct {
 	DbUser string `json:"dbUser"`
 	Region string `json:"region"`
 	// Schema name.  Only used if not using transformations.
-	SchemaName NullableString `json:"schemaName,omitempty"`
+	SchemaName *string `json:"schemaName,omitempty"`
 	SecretAccessKey string `json:"secretAccessKey"`
 	// Table name.  Only required if not using transformations.
 	TableName *string `json:"tableName,omitempty"`
@@ -186,46 +186,36 @@ func (o *RedshiftConfig) SetRegion(v string) {
 	o.Region = v
 }
 
-// GetSchemaName returns the SchemaName field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetSchemaName returns the SchemaName field value if set, zero value otherwise.
 func (o *RedshiftConfig) GetSchemaName() string {
-	if o == nil || IsNil(o.SchemaName.Get()) {
+	if o == nil || IsNil(o.SchemaName) {
 		var ret string
 		return ret
 	}
-	return *o.SchemaName.Get()
+	return *o.SchemaName
 }
 
 // GetSchemaNameOk returns a tuple with the SchemaName field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *RedshiftConfig) GetSchemaNameOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.SchemaName) {
 		return nil, false
 	}
-	return o.SchemaName.Get(), o.SchemaName.IsSet()
+	return o.SchemaName, true
 }
 
 // HasSchemaName returns a boolean if a field has been set.
 func (o *RedshiftConfig) HasSchemaName() bool {
-	if o != nil && o.SchemaName.IsSet() {
+	if o != nil && !IsNil(o.SchemaName) {
 		return true
 	}
 
 	return false
 }
 
-// SetSchemaName gets a reference to the given NullableString and assigns it to the SchemaName field.
+// SetSchemaName gets a reference to the given string and assigns it to the SchemaName field.
 func (o *RedshiftConfig) SetSchemaName(v string) {
-	o.SchemaName.Set(&v)
-}
-// SetSchemaNameNil sets the value for SchemaName to be an explicit nil
-func (o *RedshiftConfig) SetSchemaNameNil() {
-	o.SchemaName.Set(nil)
-}
-
-// UnsetSchemaName ensures that no value is present for SchemaName, not even an explicit nil
-func (o *RedshiftConfig) UnsetSchemaName() {
-	o.SchemaName.Unset()
+	o.SchemaName = &v
 }
 
 // GetSecretAccessKey returns the SecretAccessKey field value
@@ -301,8 +291,8 @@ func (o RedshiftConfig) ToMap() (map[string]interface{}, error) {
 	}
 	toSerialize["dbUser"] = o.DbUser
 	toSerialize["region"] = o.Region
-	if o.SchemaName.IsSet() {
-		toSerialize["schemaName"] = o.SchemaName.Get()
+	if !IsNil(o.SchemaName) {
+		toSerialize["schemaName"] = o.SchemaName
 	}
 	toSerialize["secretAccessKey"] = o.SecretAccessKey
 	if !IsNil(o.TableName) {
diff --git a/go/internal/openapi/model_replay_in.go b/go/internal/openapi/model_replay_in.go
index 6cb791d47..a9bcd6d2a 100644
--- a/go/internal/openapi/model_replay_in.go
+++ b/go/internal/openapi/model_replay_in.go
@@ -23,7 +23,7 @@ var _ MappedNullable = &ReplayIn{}
 // ReplayIn struct for ReplayIn
 type ReplayIn struct {
 	Since time.Time `json:"since"`
-	Until NullableTime `json:"until,omitempty"`
+	Until *time.Time `json:"until,omitempty"`
 }
 
 type _ReplayIn ReplayIn
@@ -70,46 +70,36 @@ func (o *ReplayIn) SetSince(v time.Time) {
 	o.Since = v
 }
 
-// GetUntil returns the Until field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetUntil returns the Until field value if set, zero value otherwise.
 func (o *ReplayIn) GetUntil() time.Time {
-	if o == nil || IsNil(o.Until.Get()) {
+	if o == nil || IsNil(o.Until) {
 		var ret time.Time
 		return ret
 	}
-	return *o.Until.Get()
+	return *o.Until
 }
 
 // GetUntilOk returns a tuple with the Until field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *ReplayIn) GetUntilOk() (*time.Time, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Until) {
 		return nil, false
 	}
-	return o.Until.Get(), o.Until.IsSet()
+	return o.Until, true
 }
 
 // HasUntil returns a boolean if a field has been set.
 func (o *ReplayIn) HasUntil() bool {
-	if o != nil && o.Until.IsSet() {
+	if o != nil && !IsNil(o.Until) {
 		return true
 	}
 
 	return false
 }
 
-// SetUntil gets a reference to the given NullableTime and assigns it to the Until field.
+// SetUntil gets a reference to the given time.Time and assigns it to the Until field.
 func (o *ReplayIn) SetUntil(v time.Time) {
-	o.Until.Set(&v)
-}
-// SetUntilNil sets the value for Until to be an explicit nil
-func (o *ReplayIn) SetUntilNil() {
-	o.Until.Set(nil)
-}
-
-// UnsetUntil ensures that no value is present for Until, not even an explicit nil
-func (o *ReplayIn) UnsetUntil() {
-	o.Until.Unset()
+	o.Until = &v
 }
 
 func (o ReplayIn) MarshalJSON() ([]byte, error) {
@@ -123,8 +113,8 @@ func (o ReplayIn) MarshalJSON() ([]byte, error) {
 func (o ReplayIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["since"] = o.Since
-	if o.Until.IsSet() {
-		toSerialize["until"] = o.Until.Get()
+	if !IsNil(o.Until) {
+		toSerialize["until"] = o.Until
 	}
 	return toSerialize, nil
 }
diff --git a/go/internal/openapi/model_sink_http_config.go b/go/internal/openapi/model_sink_http_config.go
index cb79631ad..beb02c654 100644
--- a/go/internal/openapi/model_sink_http_config.go
+++ b/go/internal/openapi/model_sink_http_config.go
@@ -22,7 +22,7 @@ var _ MappedNullable = &SinkHttpConfig{}
 // SinkHttpConfig struct for SinkHttpConfig
 type SinkHttpConfig struct {
 	Headers *map[string]string `json:"headers,omitempty"`
-	Key NullableString `json:"key,omitempty"`
+	Key *string `json:"key,omitempty"`
 	Url string `json:"url"`
 }
 
@@ -78,46 +78,36 @@ func (o *SinkHttpConfig) SetHeaders(v map[string]string) {
 	o.Headers = &v
 }
 
-// GetKey returns the Key field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetKey returns the Key field value if set, zero value otherwise.
 func (o *SinkHttpConfig) GetKey() string {
-	if o == nil || IsNil(o.Key.Get()) {
+	if o == nil || IsNil(o.Key) {
 		var ret string
 		return ret
 	}
-	return *o.Key.Get()
+	return *o.Key
 }
 
 // GetKeyOk returns a tuple with the Key field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *SinkHttpConfig) GetKeyOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Key) {
 		return nil, false
 	}
-	return o.Key.Get(), o.Key.IsSet()
+	return o.Key, true
 }
 
 // HasKey returns a boolean if a field has been set.
 func (o *SinkHttpConfig) HasKey() bool {
-	if o != nil && o.Key.IsSet() {
+	if o != nil && !IsNil(o.Key) {
 		return true
 	}
 
 	return false
 }
 
-// SetKey gets a reference to the given NullableString and assigns it to the Key field.
+// SetKey gets a reference to the given string and assigns it to the Key field.
 func (o *SinkHttpConfig) SetKey(v string) {
-	o.Key.Set(&v)
-}
-// SetKeyNil sets the value for Key to be an explicit nil
-func (o *SinkHttpConfig) SetKeyNil() {
-	o.Key.Set(nil)
-}
-
-// UnsetKey ensures that no value is present for Key, not even an explicit nil
-func (o *SinkHttpConfig) UnsetKey() {
-	o.Key.Unset()
+	o.Key = &v
 }
 
 // GetUrl returns the Url field value
@@ -157,8 +147,8 @@ func (o SinkHttpConfig) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Headers) {
 		toSerialize["headers"] = o.Headers
 	}
-	if o.Key.IsSet() {
-		toSerialize["key"] = o.Key.Get()
+	if !IsNil(o.Key) {
+		toSerialize["key"] = o.Key
 	}
 	toSerialize["url"] = o.Url
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_sink_transform_in.go b/go/internal/openapi/model_sink_transform_in.go
index 0134ef07b..97c366900 100644
--- a/go/internal/openapi/model_sink_transform_in.go
+++ b/go/internal/openapi/model_sink_transform_in.go
@@ -19,7 +19,7 @@ var _ MappedNullable = &SinkTransformIn{}
 
 // SinkTransformIn struct for SinkTransformIn
 type SinkTransformIn struct {
-	Code NullableString `json:"code,omitempty"`
+	Code *string `json:"code,omitempty"`
 	Enabled *bool `json:"enabled,omitempty"`
 }
 
@@ -40,46 +40,36 @@ func NewSinkTransformInWithDefaults() *SinkTransformIn {
 	return &this
 }
 
-// GetCode returns the Code field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetCode returns the Code field value if set, zero value otherwise.
 func (o *SinkTransformIn) GetCode() string {
-	if o == nil || IsNil(o.Code.Get()) {
+	if o == nil || IsNil(o.Code) {
 		var ret string
 		return ret
 	}
-	return *o.Code.Get()
+	return *o.Code
 }
 
 // GetCodeOk returns a tuple with the Code field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *SinkTransformIn) GetCodeOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Code) {
 		return nil, false
 	}
-	return o.Code.Get(), o.Code.IsSet()
+	return o.Code, true
 }
 
 // HasCode returns a boolean if a field has been set.
 func (o *SinkTransformIn) HasCode() bool {
-	if o != nil && o.Code.IsSet() {
+	if o != nil && !IsNil(o.Code) {
 		return true
 	}
 
 	return false
 }
 
-// SetCode gets a reference to the given NullableString and assigns it to the Code field.
+// SetCode gets a reference to the given string and assigns it to the Code field.
 func (o *SinkTransformIn) SetCode(v string) {
-	o.Code.Set(&v)
-}
-// SetCodeNil sets the value for Code to be an explicit nil
-func (o *SinkTransformIn) SetCodeNil() {
-	o.Code.Set(nil)
-}
-
-// UnsetCode ensures that no value is present for Code, not even an explicit nil
-func (o *SinkTransformIn) UnsetCode() {
-	o.Code.Unset()
+	o.Code = &v
 }
 
 // GetEnabled returns the Enabled field value if set, zero value otherwise.
@@ -124,8 +114,8 @@ func (o SinkTransformIn) MarshalJSON() ([]byte, error) {
 
 func (o SinkTransformIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Code.IsSet() {
-		toSerialize["code"] = o.Code.Get()
+	if !IsNil(o.Code) {
+		toSerialize["code"] = o.Code
 	}
 	if !IsNil(o.Enabled) {
 		toSerialize["enabled"] = o.Enabled
diff --git a/go/internal/openapi/model_sink_transformation_out.go b/go/internal/openapi/model_sink_transformation_out.go
index 99c30b8e1..85661009f 100644
--- a/go/internal/openapi/model_sink_transformation_out.go
+++ b/go/internal/openapi/model_sink_transformation_out.go
@@ -19,7 +19,7 @@ var _ MappedNullable = &SinkTransformationOut{}
 
 // SinkTransformationOut struct for SinkTransformationOut
 type SinkTransformationOut struct {
-	Code NullableString `json:"code,omitempty"`
+	Code *string `json:"code,omitempty"`
 	Enabled *bool `json:"enabled,omitempty"`
 }
 
@@ -44,46 +44,36 @@ func NewSinkTransformationOutWithDefaults() *SinkTransformationOut {
 	return &this
 }
 
-// GetCode returns the Code field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetCode returns the Code field value if set, zero value otherwise.
 func (o *SinkTransformationOut) GetCode() string {
-	if o == nil || IsNil(o.Code.Get()) {
+	if o == nil || IsNil(o.Code) {
 		var ret string
 		return ret
 	}
-	return *o.Code.Get()
+	return *o.Code
 }
 
 // GetCodeOk returns a tuple with the Code field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *SinkTransformationOut) GetCodeOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Code) {
 		return nil, false
 	}
-	return o.Code.Get(), o.Code.IsSet()
+	return o.Code, true
 }
 
 // HasCode returns a boolean if a field has been set.
 func (o *SinkTransformationOut) HasCode() bool {
-	if o != nil && o.Code.IsSet() {
+	if o != nil && !IsNil(o.Code) {
 		return true
 	}
 
 	return false
 }
 
-// SetCode gets a reference to the given NullableString and assigns it to the Code field.
+// SetCode gets a reference to the given string and assigns it to the Code field.
 func (o *SinkTransformationOut) SetCode(v string) {
-	o.Code.Set(&v)
-}
-// SetCodeNil sets the value for Code to be an explicit nil
-func (o *SinkTransformationOut) SetCodeNil() {
-	o.Code.Set(nil)
-}
-
-// UnsetCode ensures that no value is present for Code, not even an explicit nil
-func (o *SinkTransformationOut) UnsetCode() {
-	o.Code.Unset()
+	o.Code = &v
 }
 
 // GetEnabled returns the Enabled field value if set, zero value otherwise.
@@ -128,8 +118,8 @@ func (o SinkTransformationOut) MarshalJSON() ([]byte, error) {
 
 func (o SinkTransformationOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Code.IsSet() {
-		toSerialize["code"] = o.Code.Get()
+	if !IsNil(o.Code) {
+		toSerialize["code"] = o.Code
 	}
 	if !IsNil(o.Enabled) {
 		toSerialize["enabled"] = o.Enabled
diff --git a/go/internal/openapi/model_stream_event_type_in.go b/go/internal/openapi/model_stream_event_type_in.go
index 709882920..e53120182 100644
--- a/go/internal/openapi/model_stream_event_type_in.go
+++ b/go/internal/openapi/model_stream_event_type_in.go
@@ -21,7 +21,7 @@ var _ MappedNullable = &StreamEventTypeIn{}
 
 // StreamEventTypeIn struct for StreamEventTypeIn
 type StreamEventTypeIn struct {
-	Description NullableString `json:"description,omitempty"`
+	Description *string `json:"description,omitempty"`
 	// The event type's name
 	Name string `json:"name" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 }
@@ -46,46 +46,36 @@ func NewStreamEventTypeInWithDefaults() *StreamEventTypeIn {
 	return &this
 }
 
-// GetDescription returns the Description field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetDescription returns the Description field value if set, zero value otherwise.
 func (o *StreamEventTypeIn) GetDescription() string {
-	if o == nil || IsNil(o.Description.Get()) {
+	if o == nil || IsNil(o.Description) {
 		var ret string
 		return ret
 	}
-	return *o.Description.Get()
+	return *o.Description
 }
 
 // GetDescriptionOk returns a tuple with the Description field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *StreamEventTypeIn) GetDescriptionOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Description) {
 		return nil, false
 	}
-	return o.Description.Get(), o.Description.IsSet()
+	return o.Description, true
 }
 
 // HasDescription returns a boolean if a field has been set.
 func (o *StreamEventTypeIn) HasDescription() bool {
-	if o != nil && o.Description.IsSet() {
+	if o != nil && !IsNil(o.Description) {
 		return true
 	}
 
 	return false
 }
 
-// SetDescription gets a reference to the given NullableString and assigns it to the Description field.
+// SetDescription gets a reference to the given string and assigns it to the Description field.
 func (o *StreamEventTypeIn) SetDescription(v string) {
-	o.Description.Set(&v)
-}
-// SetDescriptionNil sets the value for Description to be an explicit nil
-func (o *StreamEventTypeIn) SetDescriptionNil() {
-	o.Description.Set(nil)
-}
-
-// UnsetDescription ensures that no value is present for Description, not even an explicit nil
-func (o *StreamEventTypeIn) UnsetDescription() {
-	o.Description.Unset()
+	o.Description = &v
 }
 
 // GetName returns the Name field value
@@ -122,8 +112,8 @@ func (o StreamEventTypeIn) MarshalJSON() ([]byte, error) {
 
 func (o StreamEventTypeIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Description.IsSet() {
-		toSerialize["description"] = o.Description.Get()
+	if !IsNil(o.Description) {
+		toSerialize["description"] = o.Description
 	}
 	toSerialize["name"] = o.Name
 	return toSerialize, nil
diff --git a/go/internal/openapi/model_stream_event_type_out.go b/go/internal/openapi/model_stream_event_type_out.go
index e415bad01..74fdb730a 100644
--- a/go/internal/openapi/model_stream_event_type_out.go
+++ b/go/internal/openapi/model_stream_event_type_out.go
@@ -23,7 +23,7 @@ var _ MappedNullable = &StreamEventTypeOut{}
 // StreamEventTypeOut struct for StreamEventTypeOut
 type StreamEventTypeOut struct {
 	CreatedAt time.Time `json:"createdAt"`
-	Description NullableString `json:"description,omitempty"`
+	Description *string `json:"description,omitempty"`
 	// The event type's name
 	Name string `json:"name" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	UpdatedAt time.Time `json:"updatedAt"`
@@ -75,46 +75,36 @@ func (o *StreamEventTypeOut) SetCreatedAt(v time.Time) {
 	o.CreatedAt = v
 }
 
-// GetDescription returns the Description field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetDescription returns the Description field value if set, zero value otherwise.
 func (o *StreamEventTypeOut) GetDescription() string {
-	if o == nil || IsNil(o.Description.Get()) {
+	if o == nil || IsNil(o.Description) {
 		var ret string
 		return ret
 	}
-	return *o.Description.Get()
+	return *o.Description
 }
 
 // GetDescriptionOk returns a tuple with the Description field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *StreamEventTypeOut) GetDescriptionOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Description) {
 		return nil, false
 	}
-	return o.Description.Get(), o.Description.IsSet()
+	return o.Description, true
 }
 
 // HasDescription returns a boolean if a field has been set.
 func (o *StreamEventTypeOut) HasDescription() bool {
-	if o != nil && o.Description.IsSet() {
+	if o != nil && !IsNil(o.Description) {
 		return true
 	}
 
 	return false
 }
 
-// SetDescription gets a reference to the given NullableString and assigns it to the Description field.
+// SetDescription gets a reference to the given string and assigns it to the Description field.
 func (o *StreamEventTypeOut) SetDescription(v string) {
-	o.Description.Set(&v)
-}
-// SetDescriptionNil sets the value for Description to be an explicit nil
-func (o *StreamEventTypeOut) SetDescriptionNil() {
-	o.Description.Set(nil)
-}
-
-// UnsetDescription ensures that no value is present for Description, not even an explicit nil
-func (o *StreamEventTypeOut) UnsetDescription() {
-	o.Description.Unset()
+	o.Description = &v
 }
 
 // GetName returns the Name field value
@@ -176,8 +166,8 @@ func (o StreamEventTypeOut) MarshalJSON() ([]byte, error) {
 func (o StreamEventTypeOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["createdAt"] = o.CreatedAt
-	if o.Description.IsSet() {
-		toSerialize["description"] = o.Description.Get()
+	if !IsNil(o.Description) {
+		toSerialize["description"] = o.Description
 	}
 	toSerialize["name"] = o.Name
 	toSerialize["updatedAt"] = o.UpdatedAt
diff --git a/go/internal/openapi/model_stream_out.go b/go/internal/openapi/model_stream_out.go
index 4b96e18e6..771355de1 100644
--- a/go/internal/openapi/model_stream_out.go
+++ b/go/internal/openapi/model_stream_out.go
@@ -23,7 +23,7 @@ var _ MappedNullable = &StreamOut{}
 // StreamOut struct for StreamOut
 type StreamOut struct {
 	CreatedAt time.Time `json:"createdAt"`
-	Description NullableString `json:"description,omitempty"`
+	Description *string `json:"description,omitempty"`
 	Id string `json:"id"`
 	Uid *string `json:"uid,omitempty" validate:"regexp=^(?!strm_)[a-zA-Z0-9_-]+$"`
 	UpdatedAt time.Time `json:"updatedAt"`
@@ -75,46 +75,36 @@ func (o *StreamOut) SetCreatedAt(v time.Time) {
 	o.CreatedAt = v
 }
 
-// GetDescription returns the Description field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetDescription returns the Description field value if set, zero value otherwise.
 func (o *StreamOut) GetDescription() string {
-	if o == nil || IsNil(o.Description.Get()) {
+	if o == nil || IsNil(o.Description) {
 		var ret string
 		return ret
 	}
-	return *o.Description.Get()
+	return *o.Description
 }
 
 // GetDescriptionOk returns a tuple with the Description field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *StreamOut) GetDescriptionOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.Description) {
 		return nil, false
 	}
-	return o.Description.Get(), o.Description.IsSet()
+	return o.Description, true
 }
 
 // HasDescription returns a boolean if a field has been set.
 func (o *StreamOut) HasDescription() bool {
-	if o != nil && o.Description.IsSet() {
+	if o != nil && !IsNil(o.Description) {
 		return true
 	}
 
 	return false
 }
 
-// SetDescription gets a reference to the given NullableString and assigns it to the Description field.
+// SetDescription gets a reference to the given string and assigns it to the Description field.
 func (o *StreamOut) SetDescription(v string) {
-	o.Description.Set(&v)
-}
-// SetDescriptionNil sets the value for Description to be an explicit nil
-func (o *StreamOut) SetDescriptionNil() {
-	o.Description.Set(nil)
-}
-
-// UnsetDescription ensures that no value is present for Description, not even an explicit nil
-func (o *StreamOut) UnsetDescription() {
-	o.Description.Unset()
+	o.Description = &v
 }
 
 // GetId returns the Id field value
@@ -208,8 +198,8 @@ func (o StreamOut) MarshalJSON() ([]byte, error) {
 func (o StreamOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["createdAt"] = o.CreatedAt
-	if o.Description.IsSet() {
-		toSerialize["description"] = o.Description.Get()
+	if !IsNil(o.Description) {
+		toSerialize["description"] = o.Description
 	}
 	toSerialize["id"] = o.Id
 	if !IsNil(o.Uid) {
diff --git a/go/internal/openapi/model_template_in.go b/go/internal/openapi/model_template_in.go
index 5e73e95a1..b969c2404 100644
--- a/go/internal/openapi/model_template_in.go
+++ b/go/internal/openapi/model_template_in.go
@@ -22,10 +22,10 @@ var _ MappedNullable = &TemplateIn{}
 // TemplateIn struct for TemplateIn
 type TemplateIn struct {
 	Description *string `json:"description,omitempty"`
-	FeatureFlag NullableString `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	FeatureFlag *string `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	FilterTypes []string `json:"filterTypes,omitempty"`
 	Instructions *string `json:"instructions,omitempty"`
-	InstructionsLink NullableString `json:"instructionsLink,omitempty"`
+	InstructionsLink *string `json:"instructionsLink,omitempty"`
 	Kind *TransformationTemplateKind `json:"kind,omitempty"`
 	Logo string `json:"logo"`
 	Name string `json:"name"`
@@ -94,51 +94,41 @@ func (o *TemplateIn) SetDescription(v string) {
 	o.Description = &v
 }
 
-// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise.
 func (o *TemplateIn) GetFeatureFlag() string {
-	if o == nil || IsNil(o.FeatureFlag.Get()) {
+	if o == nil || IsNil(o.FeatureFlag) {
 		var ret string
 		return ret
 	}
-	return *o.FeatureFlag.Get()
+	return *o.FeatureFlag
 }
 
 // GetFeatureFlagOk returns a tuple with the FeatureFlag field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *TemplateIn) GetFeatureFlagOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.FeatureFlag) {
 		return nil, false
 	}
-	return o.FeatureFlag.Get(), o.FeatureFlag.IsSet()
+	return o.FeatureFlag, true
 }
 
 // HasFeatureFlag returns a boolean if a field has been set.
 func (o *TemplateIn) HasFeatureFlag() bool {
-	if o != nil && o.FeatureFlag.IsSet() {
+	if o != nil && !IsNil(o.FeatureFlag) {
 		return true
 	}
 
 	return false
 }
 
-// SetFeatureFlag gets a reference to the given NullableString and assigns it to the FeatureFlag field.
+// SetFeatureFlag gets a reference to the given string and assigns it to the FeatureFlag field.
 func (o *TemplateIn) SetFeatureFlag(v string) {
-	o.FeatureFlag.Set(&v)
-}
-// SetFeatureFlagNil sets the value for FeatureFlag to be an explicit nil
-func (o *TemplateIn) SetFeatureFlagNil() {
-	o.FeatureFlag.Set(nil)
+	o.FeatureFlag = &v
 }
 
-// UnsetFeatureFlag ensures that no value is present for FeatureFlag, not even an explicit nil
-func (o *TemplateIn) UnsetFeatureFlag() {
-	o.FeatureFlag.Unset()
-}
-
-// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise.
 func (o *TemplateIn) GetFilterTypes() []string {
-	if o == nil {
+	if o == nil || IsNil(o.FilterTypes) {
 		var ret []string
 		return ret
 	}
@@ -147,7 +137,6 @@ func (o *TemplateIn) GetFilterTypes() []string {
 
 // GetFilterTypesOk returns a tuple with the FilterTypes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *TemplateIn) GetFilterTypesOk() ([]string, bool) {
 	if o == nil || IsNil(o.FilterTypes) {
 		return nil, false
@@ -201,46 +190,36 @@ func (o *TemplateIn) SetInstructions(v string) {
 	o.Instructions = &v
 }
 
-// GetInstructionsLink returns the InstructionsLink field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetInstructionsLink returns the InstructionsLink field value if set, zero value otherwise.
 func (o *TemplateIn) GetInstructionsLink() string {
-	if o == nil || IsNil(o.InstructionsLink.Get()) {
+	if o == nil || IsNil(o.InstructionsLink) {
 		var ret string
 		return ret
 	}
-	return *o.InstructionsLink.Get()
+	return *o.InstructionsLink
 }
 
 // GetInstructionsLinkOk returns a tuple with the InstructionsLink field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *TemplateIn) GetInstructionsLinkOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.InstructionsLink) {
 		return nil, false
 	}
-	return o.InstructionsLink.Get(), o.InstructionsLink.IsSet()
+	return o.InstructionsLink, true
 }
 
 // HasInstructionsLink returns a boolean if a field has been set.
 func (o *TemplateIn) HasInstructionsLink() bool {
-	if o != nil && o.InstructionsLink.IsSet() {
+	if o != nil && !IsNil(o.InstructionsLink) {
 		return true
 	}
 
 	return false
 }
 
-// SetInstructionsLink gets a reference to the given NullableString and assigns it to the InstructionsLink field.
+// SetInstructionsLink gets a reference to the given string and assigns it to the InstructionsLink field.
 func (o *TemplateIn) SetInstructionsLink(v string) {
-	o.InstructionsLink.Set(&v)
-}
-// SetInstructionsLinkNil sets the value for InstructionsLink to be an explicit nil
-func (o *TemplateIn) SetInstructionsLinkNil() {
-	o.InstructionsLink.Set(nil)
-}
-
-// UnsetInstructionsLink ensures that no value is present for InstructionsLink, not even an explicit nil
-func (o *TemplateIn) UnsetInstructionsLink() {
-	o.InstructionsLink.Unset()
+	o.InstructionsLink = &v
 }
 
 // GetKind returns the Kind field value if set, zero value otherwise.
@@ -360,17 +339,17 @@ func (o TemplateIn) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Description) {
 		toSerialize["description"] = o.Description
 	}
-	if o.FeatureFlag.IsSet() {
-		toSerialize["featureFlag"] = o.FeatureFlag.Get()
+	if !IsNil(o.FeatureFlag) {
+		toSerialize["featureFlag"] = o.FeatureFlag
 	}
-	if o.FilterTypes != nil {
+	if !IsNil(o.FilterTypes) {
 		toSerialize["filterTypes"] = o.FilterTypes
 	}
 	if !IsNil(o.Instructions) {
 		toSerialize["instructions"] = o.Instructions
 	}
-	if o.InstructionsLink.IsSet() {
-		toSerialize["instructionsLink"] = o.InstructionsLink.Get()
+	if !IsNil(o.InstructionsLink) {
+		toSerialize["instructionsLink"] = o.InstructionsLink
 	}
 	if !IsNil(o.Kind) {
 		toSerialize["kind"] = o.Kind
diff --git a/go/internal/openapi/model_template_out.go b/go/internal/openapi/model_template_out.go
index fa0417af3..d2231da1c 100644
--- a/go/internal/openapi/model_template_out.go
+++ b/go/internal/openapi/model_template_out.go
@@ -24,11 +24,11 @@ var _ MappedNullable = &TemplateOut{}
 type TemplateOut struct {
 	CreatedAt time.Time `json:"createdAt"`
 	Description string `json:"description"`
-	FeatureFlag NullableString `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	FeatureFlag *string `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	FilterTypes []string `json:"filterTypes,omitempty"`
 	Id string `json:"id"`
 	Instructions string `json:"instructions"`
-	InstructionsLink NullableString `json:"instructionsLink,omitempty"`
+	InstructionsLink *string `json:"instructionsLink,omitempty"`
 	Kind TransformationTemplateKind `json:"kind"`
 	Logo string `json:"logo"`
 	Name string `json:"name"`
@@ -114,51 +114,41 @@ func (o *TemplateOut) SetDescription(v string) {
 	o.Description = v
 }
 
-// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise.
 func (o *TemplateOut) GetFeatureFlag() string {
-	if o == nil || IsNil(o.FeatureFlag.Get()) {
+	if o == nil || IsNil(o.FeatureFlag) {
 		var ret string
 		return ret
 	}
-	return *o.FeatureFlag.Get()
+	return *o.FeatureFlag
 }
 
 // GetFeatureFlagOk returns a tuple with the FeatureFlag field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *TemplateOut) GetFeatureFlagOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.FeatureFlag) {
 		return nil, false
 	}
-	return o.FeatureFlag.Get(), o.FeatureFlag.IsSet()
+	return o.FeatureFlag, true
 }
 
 // HasFeatureFlag returns a boolean if a field has been set.
 func (o *TemplateOut) HasFeatureFlag() bool {
-	if o != nil && o.FeatureFlag.IsSet() {
+	if o != nil && !IsNil(o.FeatureFlag) {
 		return true
 	}
 
 	return false
 }
 
-// SetFeatureFlag gets a reference to the given NullableString and assigns it to the FeatureFlag field.
+// SetFeatureFlag gets a reference to the given string and assigns it to the FeatureFlag field.
 func (o *TemplateOut) SetFeatureFlag(v string) {
-	o.FeatureFlag.Set(&v)
-}
-// SetFeatureFlagNil sets the value for FeatureFlag to be an explicit nil
-func (o *TemplateOut) SetFeatureFlagNil() {
-	o.FeatureFlag.Set(nil)
+	o.FeatureFlag = &v
 }
 
-// UnsetFeatureFlag ensures that no value is present for FeatureFlag, not even an explicit nil
-func (o *TemplateOut) UnsetFeatureFlag() {
-	o.FeatureFlag.Unset()
-}
-
-// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise.
 func (o *TemplateOut) GetFilterTypes() []string {
-	if o == nil {
+	if o == nil || IsNil(o.FilterTypes) {
 		var ret []string
 		return ret
 	}
@@ -167,7 +157,6 @@ func (o *TemplateOut) GetFilterTypes() []string {
 
 // GetFilterTypesOk returns a tuple with the FilterTypes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *TemplateOut) GetFilterTypesOk() ([]string, bool) {
 	if o == nil || IsNil(o.FilterTypes) {
 		return nil, false
@@ -237,46 +226,36 @@ func (o *TemplateOut) SetInstructions(v string) {
 	o.Instructions = v
 }
 
-// GetInstructionsLink returns the InstructionsLink field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetInstructionsLink returns the InstructionsLink field value if set, zero value otherwise.
 func (o *TemplateOut) GetInstructionsLink() string {
-	if o == nil || IsNil(o.InstructionsLink.Get()) {
+	if o == nil || IsNil(o.InstructionsLink) {
 		var ret string
 		return ret
 	}
-	return *o.InstructionsLink.Get()
+	return *o.InstructionsLink
 }
 
 // GetInstructionsLinkOk returns a tuple with the InstructionsLink field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *TemplateOut) GetInstructionsLinkOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.InstructionsLink) {
 		return nil, false
 	}
-	return o.InstructionsLink.Get(), o.InstructionsLink.IsSet()
+	return o.InstructionsLink, true
 }
 
 // HasInstructionsLink returns a boolean if a field has been set.
 func (o *TemplateOut) HasInstructionsLink() bool {
-	if o != nil && o.InstructionsLink.IsSet() {
+	if o != nil && !IsNil(o.InstructionsLink) {
 		return true
 	}
 
 	return false
 }
 
-// SetInstructionsLink gets a reference to the given NullableString and assigns it to the InstructionsLink field.
+// SetInstructionsLink gets a reference to the given string and assigns it to the InstructionsLink field.
 func (o *TemplateOut) SetInstructionsLink(v string) {
-	o.InstructionsLink.Set(&v)
-}
-// SetInstructionsLinkNil sets the value for InstructionsLink to be an explicit nil
-func (o *TemplateOut) SetInstructionsLinkNil() {
-	o.InstructionsLink.Set(nil)
-}
-
-// UnsetInstructionsLink ensures that no value is present for InstructionsLink, not even an explicit nil
-func (o *TemplateOut) UnsetInstructionsLink() {
-	o.InstructionsLink.Unset()
+	o.InstructionsLink = &v
 }
 
 // GetKind returns the Kind field value
@@ -435,16 +414,16 @@ func (o TemplateOut) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
 	toSerialize["createdAt"] = o.CreatedAt
 	toSerialize["description"] = o.Description
-	if o.FeatureFlag.IsSet() {
-		toSerialize["featureFlag"] = o.FeatureFlag.Get()
+	if !IsNil(o.FeatureFlag) {
+		toSerialize["featureFlag"] = o.FeatureFlag
 	}
-	if o.FilterTypes != nil {
+	if !IsNil(o.FilterTypes) {
 		toSerialize["filterTypes"] = o.FilterTypes
 	}
 	toSerialize["id"] = o.Id
 	toSerialize["instructions"] = o.Instructions
-	if o.InstructionsLink.IsSet() {
-		toSerialize["instructionsLink"] = o.InstructionsLink.Get()
+	if !IsNil(o.InstructionsLink) {
+		toSerialize["instructionsLink"] = o.InstructionsLink
 	}
 	toSerialize["kind"] = o.Kind
 	toSerialize["logo"] = o.Logo
diff --git a/go/internal/openapi/model_template_update.go b/go/internal/openapi/model_template_update.go
index a150c011f..9001fd1f1 100644
--- a/go/internal/openapi/model_template_update.go
+++ b/go/internal/openapi/model_template_update.go
@@ -22,10 +22,10 @@ var _ MappedNullable = &TemplateUpdate{}
 // TemplateUpdate struct for TemplateUpdate
 type TemplateUpdate struct {
 	Description *string `json:"description,omitempty"`
-	FeatureFlag NullableString `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
+	FeatureFlag *string `json:"featureFlag,omitempty" validate:"regexp=^[a-zA-Z0-9\\\\-_.]+$"`
 	FilterTypes []string `json:"filterTypes,omitempty"`
 	Instructions *string `json:"instructions,omitempty"`
-	InstructionsLink NullableString `json:"instructionsLink,omitempty"`
+	InstructionsLink *string `json:"instructionsLink,omitempty"`
 	Kind *TransformationTemplateKind `json:"kind,omitempty"`
 	Logo string `json:"logo"`
 	Name *string `json:"name,omitempty"`
@@ -97,51 +97,41 @@ func (o *TemplateUpdate) SetDescription(v string) {
 	o.Description = &v
 }
 
-// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFeatureFlag returns the FeatureFlag field value if set, zero value otherwise.
 func (o *TemplateUpdate) GetFeatureFlag() string {
-	if o == nil || IsNil(o.FeatureFlag.Get()) {
+	if o == nil || IsNil(o.FeatureFlag) {
 		var ret string
 		return ret
 	}
-	return *o.FeatureFlag.Get()
+	return *o.FeatureFlag
 }
 
 // GetFeatureFlagOk returns a tuple with the FeatureFlag field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *TemplateUpdate) GetFeatureFlagOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.FeatureFlag) {
 		return nil, false
 	}
-	return o.FeatureFlag.Get(), o.FeatureFlag.IsSet()
+	return o.FeatureFlag, true
 }
 
 // HasFeatureFlag returns a boolean if a field has been set.
 func (o *TemplateUpdate) HasFeatureFlag() bool {
-	if o != nil && o.FeatureFlag.IsSet() {
+	if o != nil && !IsNil(o.FeatureFlag) {
 		return true
 	}
 
 	return false
 }
 
-// SetFeatureFlag gets a reference to the given NullableString and assigns it to the FeatureFlag field.
+// SetFeatureFlag gets a reference to the given string and assigns it to the FeatureFlag field.
 func (o *TemplateUpdate) SetFeatureFlag(v string) {
-	o.FeatureFlag.Set(&v)
-}
-// SetFeatureFlagNil sets the value for FeatureFlag to be an explicit nil
-func (o *TemplateUpdate) SetFeatureFlagNil() {
-	o.FeatureFlag.Set(nil)
+	o.FeatureFlag = &v
 }
 
-// UnsetFeatureFlag ensures that no value is present for FeatureFlag, not even an explicit nil
-func (o *TemplateUpdate) UnsetFeatureFlag() {
-	o.FeatureFlag.Unset()
-}
-
-// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetFilterTypes returns the FilterTypes field value if set, zero value otherwise.
 func (o *TemplateUpdate) GetFilterTypes() []string {
-	if o == nil {
+	if o == nil || IsNil(o.FilterTypes) {
 		var ret []string
 		return ret
 	}
@@ -150,7 +140,6 @@ func (o *TemplateUpdate) GetFilterTypes() []string {
 
 // GetFilterTypesOk returns a tuple with the FilterTypes field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *TemplateUpdate) GetFilterTypesOk() ([]string, bool) {
 	if o == nil || IsNil(o.FilterTypes) {
 		return nil, false
@@ -204,46 +193,36 @@ func (o *TemplateUpdate) SetInstructions(v string) {
 	o.Instructions = &v
 }
 
-// GetInstructionsLink returns the InstructionsLink field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetInstructionsLink returns the InstructionsLink field value if set, zero value otherwise.
 func (o *TemplateUpdate) GetInstructionsLink() string {
-	if o == nil || IsNil(o.InstructionsLink.Get()) {
+	if o == nil || IsNil(o.InstructionsLink) {
 		var ret string
 		return ret
 	}
-	return *o.InstructionsLink.Get()
+	return *o.InstructionsLink
 }
 
 // GetInstructionsLinkOk returns a tuple with the InstructionsLink field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *TemplateUpdate) GetInstructionsLinkOk() (*string, bool) {
-	if o == nil {
+	if o == nil || IsNil(o.InstructionsLink) {
 		return nil, false
 	}
-	return o.InstructionsLink.Get(), o.InstructionsLink.IsSet()
+	return o.InstructionsLink, true
 }
 
 // HasInstructionsLink returns a boolean if a field has been set.
 func (o *TemplateUpdate) HasInstructionsLink() bool {
-	if o != nil && o.InstructionsLink.IsSet() {
+	if o != nil && !IsNil(o.InstructionsLink) {
 		return true
 	}
 
 	return false
 }
 
-// SetInstructionsLink gets a reference to the given NullableString and assigns it to the InstructionsLink field.
+// SetInstructionsLink gets a reference to the given string and assigns it to the InstructionsLink field.
 func (o *TemplateUpdate) SetInstructionsLink(v string) {
-	o.InstructionsLink.Set(&v)
-}
-// SetInstructionsLinkNil sets the value for InstructionsLink to be an explicit nil
-func (o *TemplateUpdate) SetInstructionsLinkNil() {
-	o.InstructionsLink.Set(nil)
-}
-
-// UnsetInstructionsLink ensures that no value is present for InstructionsLink, not even an explicit nil
-func (o *TemplateUpdate) UnsetInstructionsLink() {
-	o.InstructionsLink.Unset()
+	o.InstructionsLink = &v
 }
 
 // GetKind returns the Kind field value if set, zero value otherwise.
@@ -371,17 +350,17 @@ func (o TemplateUpdate) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Description) {
 		toSerialize["description"] = o.Description
 	}
-	if o.FeatureFlag.IsSet() {
-		toSerialize["featureFlag"] = o.FeatureFlag.Get()
+	if !IsNil(o.FeatureFlag) {
+		toSerialize["featureFlag"] = o.FeatureFlag
 	}
-	if o.FilterTypes != nil {
+	if !IsNil(o.FilterTypes) {
 		toSerialize["filterTypes"] = o.FilterTypes
 	}
 	if !IsNil(o.Instructions) {
 		toSerialize["instructions"] = o.Instructions
 	}
-	if o.InstructionsLink.IsSet() {
-		toSerialize["instructionsLink"] = o.InstructionsLink.Get()
+	if !IsNil(o.InstructionsLink) {
+		toSerialize["instructionsLink"] = o.InstructionsLink
 	}
 	if !IsNil(o.Kind) {
 		toSerialize["kind"] = o.Kind
diff --git a/go/internal/openapi/model_transformation_simulate_in.go b/go/internal/openapi/model_transformation_simulate_in.go
index 6a0314f93..1fcdf39b1 100644
--- a/go/internal/openapi/model_transformation_simulate_in.go
+++ b/go/internal/openapi/model_transformation_simulate_in.go
@@ -50,9 +50,9 @@ func NewTransformationSimulateInWithDefaults() *TransformationSimulateIn {
 	return &this
 }
 
-// GetChannels returns the Channels field value if set, zero value otherwise (both if not set or set to explicit null).
+// GetChannels returns the Channels field value if set, zero value otherwise.
 func (o *TransformationSimulateIn) GetChannels() []string {
-	if o == nil {
+	if o == nil || IsNil(o.Channels) {
 		var ret []string
 		return ret
 	}
@@ -61,7 +61,6 @@ func (o *TransformationSimulateIn) GetChannels() []string {
 
 // GetChannelsOk returns a tuple with the Channels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-// NOTE: If the value is an explicit nil, `nil, true` will be returned
 func (o *TransformationSimulateIn) GetChannelsOk() ([]string, bool) {
 	if o == nil || IsNil(o.Channels) {
 		return nil, false
@@ -165,7 +164,7 @@ func (o TransformationSimulateIn) MarshalJSON() ([]byte, error) {
 
 func (o TransformationSimulateIn) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
-	if o.Channels != nil {
+	if !IsNil(o.Channels) {
 		toSerialize["channels"] = o.Channels
 	}
 	toSerialize["code"] = o.Code
diff --git a/go/svix_test.go b/go/svix_test.go
index ceabe6e98..5e9d06ab8 100644
--- a/go/svix_test.go
+++ b/go/svix_test.go
@@ -3,11 +3,12 @@ package svix_test
 import (
 	"context"
 	"errors"
-	svix "github.com/svix/svix-webhooks/go"
 	"net/http"
 	"net/url"
 	"os"
 	"testing"
+
+	svix "github.com/svix/svix-webhooks/go"
 )
 
 // Builds an API client for testing against an arbitrary API server with an arbitrary token.
@@ -96,9 +97,8 @@ func TestKitchenSink(t *testing.T) {
 }
 
 func TestStaticNullableString(t *testing.T) {
-	app := &svix.ApplicationIn{
-		Name: "test",
-		Uid:  svix.StaticNullableString("my-uid"),
+	app := &svix.ApplicationPatch{
+		Uid: svix.StaticNullableString("my-uid"),
 	}
 
 	if !app.Uid.IsSet() {
diff --git a/regen_openapi.sh b/regen_openapi.sh
index 0cc3b0be1..2482513f5 100755
--- a/regen_openapi.sh
+++ b/regen_openapi.sh
@@ -6,28 +6,13 @@ if [ -n "$1" ]; then
     curl "$1" | python -m json.tool > openapi.json
 fi
 
-yarn openapi-generator-cli generate -i openapi.json -g typescript -o javascript/src/openapi -c javascript/openapi-generator-config.json --type-mappings=set=Array -t javascript/templates
-
-# Cleanup previous codegen, allowing us to spot removals.
-# If the removals are expected, stage them eg. `git add -u`, then commit them.
-rm -f go/internal/openapi/*.go
-yarn openapi-generator-cli generate -i openapi.json -g go -o go/internal/openapi -c go/openapi-generator-config.json -t go/templates
-
-
-yarn openapi-generator-cli generate -i openapi.json -g java -o java/lib/generated/openapi -c java/openapi-generator-config.json -t java/templates
-
-yarn openapi-generator-cli generate -i openapi.json -g kotlin -o kotlin/lib/generated/openapi -c kotlin/openapi-generator-config.json -t kotlin/templates
-
-yarn openapi-generator-cli generate -i openapi.json -g ruby -o ruby -c ruby/openapi-generator-config.json -t ruby/templates
-
-yarn openapi-generator-cli generate -i openapi.json -g csharp -o csharp/ -c csharp/openapi-generator-config.json --global-property apis,models,supportingFiles,apiTests=false,apiDocs=false,modelTests=false,modelDocs=false
-
-# For Rust, write a separate OpenAPI spec file where optional fields of
-# non-`Patch` schemas are set to not be nullable, so the codegen doesn't wrap
-# the Rust struct fields in double options.
-# serde will respect both in deserialization anyways, but this frees users from
-# having to think about the difference between absence of the field or setting
-# it to `null` (which is only significant for patch request bodies).
+# For some languages, write a separate OpenAPI spec file where optional fields
+# of non-`Patch` schemas are set to not be nullable, so the codegen doesn't wrap
+# the struct fields in double options.
+# Rust's serde and Go's encoding/json will respect both in deserialization
+# anyways, but this frees users from having to think about the difference
+# between absence of the field or setting it to `null` (which is only
+# significant for patch request bodies).
 jq --indent 4 '.components.schemas |= with_entries(
         if .key | endswith("Patch") then .
         else
@@ -43,7 +28,24 @@ jq --indent 4 '.components.schemas |= with_entries(
         end
     )' \
     < openapi.json \
+    | tee go/openapi.json \
     > rust/openapi.json
+
+yarn openapi-generator-cli generate -i openapi.json -g typescript -o javascript/src/openapi -c javascript/openapi-generator-config.json --type-mappings=set=Array -t javascript/templates
+
+# Cleanup previous codegen, allowing us to spot removals.
+# If the removals are expected, stage them eg. `git add -u`, then commit them.
+rm -f go/internal/openapi/*.go
+yarn openapi-generator-cli generate -i go/openapi.json -g go -o go/internal/openapi -c go/openapi-generator-config.json -t go/templates
+
+yarn openapi-generator-cli generate -i openapi.json -g java -o java/lib/generated/openapi -c java/openapi-generator-config.json -t java/templates
+
+yarn openapi-generator-cli generate -i openapi.json -g kotlin -o kotlin/lib/generated/openapi -c kotlin/openapi-generator-config.json -t kotlin/templates
+
+yarn openapi-generator-cli generate -i openapi.json -g ruby -o ruby -c ruby/openapi-generator-config.json -t ruby/templates
+
+yarn openapi-generator-cli generate -i openapi.json -g csharp -o csharp/ -c csharp/openapi-generator-config.json --global-property apis,models,supportingFiles,apiTests=false,apiDocs=false,modelTests=false,modelDocs=false
+
 yarn openapi-generator-cli generate -i rust/openapi.json -g rust -o rust/ -c rust/openapi-generator-config.json -t rust/templates
 
 echo Note: Python generation is not executed automatically.

From 2e61b0a7b260f91d06ae99e794386d26f1206e7a Mon Sep 17 00:00:00 2001
From: Jonas Platte <jplatte@svix.com>
Date: Thu, 5 Dec 2024 14:43:45 +0100
Subject: [PATCH 2/2] go: Add tests for JSON (de)serialization

---
 go/svix_test.go | 239 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 239 insertions(+)

diff --git a/go/svix_test.go b/go/svix_test.go
index 5e9d06ab8..09f908e7b 100644
--- a/go/svix_test.go
+++ b/go/svix_test.go
@@ -2,6 +2,7 @@ package svix_test
 
 import (
 	"context"
+	"encoding/json"
 	"errors"
 	"net/http"
 	"net/url"
@@ -114,3 +115,241 @@ func TestStaticNullableString(t *testing.T) {
 		t.Fatalf("app.Uid is set but shouldn't be")
 	}
 }
+
+func assertMarshalEq(v any, expected string, t *testing.T) {
+	bytes, err := json.Marshal(v)
+	if err != nil {
+		t.Error("JSON serialization failed", err)
+		return
+	}
+
+	s := string(bytes)
+	if s != expected {
+		t.Error("Unexpected serialization", s)
+	}
+}
+
+func TestModelSerialization(t *testing.T) {
+	ep_in := svix.EndpointIn{
+		Url: "http://example.local",
+	}
+	assertMarshalEq(ep_in, `{"url":"http://example.local"}`, t)
+
+	uid := "test"
+	ep_in.Uid = &uid
+	assertMarshalEq(ep_in, `{"uid":"test","url":"http://example.local"}`, t)
+
+	uid = ""
+	ep_in.Uid = &uid
+	assertMarshalEq(ep_in, `{"uid":"","url":"http://example.local"}`, t)
+
+	metadata := make(map[string]string)
+	ep_in.Uid = nil
+	ep_in.Metadata = &metadata
+	assertMarshalEq(ep_in, `{"metadata":{},"url":"http://example.local"}`, t)
+
+	ep_patch := svix.EndpointPatch{}
+	assertMarshalEq(ep_patch, `{}`, t)
+
+	// FIXME: setting channels to `null` not currently possible
+	ep_patch.Channels = []string{}
+	assertMarshalEq(ep_patch, `{"channels":[]}`, t)
+
+	ep_patch.Channels = []string{"foo"}
+	assertMarshalEq(ep_patch, `{"channels":["foo"]}`, t)
+
+	ep_patch.Channels = nil
+	disabled := false
+	ep_patch.Disabled = &disabled
+	assertMarshalEq(ep_patch, `{"disabled":false}`, t)
+
+	ep_patch.Disabled = nil
+	ep_patch.Uid = *svix.NullableString(nil)
+	assertMarshalEq(ep_patch, `{"uid":null}`, t)
+}
+
+func TestModelDeserialization(t *testing.T) {
+	var ep_out svix.EndpointOut
+
+	// only required properties
+	err := json.Unmarshal(
+		[]byte(`{
+			"id": "ep_foo",
+			"metadata": {"foo": "bar"},
+			"description": "x",
+			"url": "http://example.local",
+			"version": 1,
+			"createdAt": "2019-08-24T14:15:22Z",
+			"updatedAt": "2019-08-24T14:15:22Z"
+		}`),
+		&ep_out,
+	)
+	if err != nil {
+		t.Fatal("JSON deserialization failed", err)
+	}
+	if len(ep_out.Channels) != 0 {
+		t.Error("unexpected value for channels", ep_out.Channels)
+	}
+	if ep_out.Id != "ep_foo" {
+		t.Error("unexpected value for id", ep_out.Id)
+	}
+	if len(ep_out.Metadata) != 1 {
+		t.Error("unexpected value for metadata", ep_out.Metadata)
+	}
+	if ep_out.Metadata["foo"] != "bar" {
+		t.Error("unexpected value for metadata", ep_out.Metadata)
+	}
+	if ep_out.Description != "x" {
+		t.Error("unexpected value for description", ep_out.Description)
+	}
+	if ep_out.Disabled != nil {
+		t.Error("unexpected value for disabled", ep_out.Disabled)
+	}
+	if len(ep_out.FilterTypes) != 0 {
+		t.Error("unexpected value for filterTypes", ep_out.FilterTypes)
+	}
+	if ep_out.RateLimit != nil {
+		t.Error("unexpected value for rateLimit", ep_out.RateLimit)
+	}
+	if ep_out.Uid != nil {
+		t.Error("unexpected value for uid", ep_out.Uid)
+	}
+	if ep_out.Url != "http://example.local" {
+		t.Error("unexpected value for url", ep_out.Url)
+	}
+	if ep_out.Version != 1 {
+		t.Error("unexpected value for version", ep_out.Version)
+	}
+
+	// full example from API docs
+	err = json.Unmarshal(
+		[]byte(`{
+			"id": "ep_1srOrx2ZWZBpBUvZwXKQmoEYga2",
+			"metadata": {
+				"property1": "string",
+				"property2": "string"
+			},
+			"description": "string",
+			"rateLimit": 0,
+			"uid": "unique-ep-identifier",
+			"url": "https://example.com/webhook/",
+			"version": 1,
+			"disabled": false,
+			"filterTypes": [
+				"user.signup",
+				"user.deleted"
+			],
+			"channels": [
+				"project_123",
+				"group_2"
+			],
+			"createdAt": "2019-08-24T14:15:22Z",
+			"updatedAt": "2019-08-24T14:15:22Z"
+		}`),
+		&ep_out,
+	)
+	if err != nil {
+		t.Fatal("JSON deserialization failed", err)
+	}
+	if ep_out.Id != "ep_1srOrx2ZWZBpBUvZwXKQmoEYga2" {
+		t.Error("unexpected value for id", ep_out.Id)
+	}
+	if len(ep_out.Metadata) != 2 {
+		t.Error("unexpected value for metadata", ep_out.Metadata)
+	}
+	if ep_out.Metadata["property1"] != "string" {
+		t.Error("unexpected value for metadata", ep_out.Metadata)
+	}
+	if ep_out.Metadata["property2"] != "string" {
+		t.Error("unexpected value for metadata", ep_out.Metadata)
+	}
+	if ep_out.Description != "string" {
+		t.Error("unexpected value for description", ep_out.Description)
+	}
+	if *ep_out.RateLimit != 0 {
+		t.Error("unexpected value for rateLimit", ep_out.RateLimit)
+	}
+	if *ep_out.Uid != "unique-ep-identifier" {
+		t.Error("unexpected value for uid", ep_out.Uid)
+	}
+	if ep_out.Url != "https://example.com/webhook/" {
+		t.Error("unexpected value for url", ep_out.Url)
+	}
+	if ep_out.Version != 1 {
+		t.Error("unexpected value for version", ep_out.Version)
+	}
+	if *ep_out.Disabled != false {
+		t.Error("unexpected value for disabled", ep_out.Disabled)
+	}
+	if len(ep_out.FilterTypes) != 2 {
+		t.Error("unexpected value for filterTypes", ep_out.FilterTypes)
+	}
+	if ep_out.FilterTypes[0] != "user.signup" {
+		t.Error("unexpected value for filterTypes", ep_out.FilterTypes)
+	}
+	if ep_out.FilterTypes[1] != "user.deleted" {
+		t.Error("unexpected value for filterTypes", ep_out.FilterTypes)
+	}
+	if len(ep_out.Channels) != 2 {
+		t.Error("unexpected value for channels", ep_out.Channels)
+	}
+	if ep_out.Channels[0] != "project_123" {
+		t.Error("unexpected value for channels", ep_out.Channels)
+	}
+	if ep_out.Channels[1] != "group_2" {
+		t.Error("unexpected value for channels", ep_out.Channels)
+	}
+
+	// same example with optional / nullable fields set to null explicitly
+	// (and empty metadata)
+	err = json.Unmarshal(
+		[]byte(`{
+			"id": "ep_1srOrx2ZWZBpBUvZwXKQmoEYga2",
+			"metadata": {},
+			"description": "string",
+			"rateLimit": null,
+			"uid": null,
+			"url": "https://example.com/webhook/",
+			"version": 1,
+			"disabled": null,
+			"filterTypes": null,
+			"channels": null,
+			"createdAt": "2019-08-24T14:15:22Z",
+			"updatedAt": "2019-08-24T14:15:22Z"
+		}`),
+		&ep_out,
+	)
+	if err != nil {
+		t.Fatal("JSON deserialization failed", err)
+	}
+	if ep_out.Id != "ep_1srOrx2ZWZBpBUvZwXKQmoEYga2" {
+		t.Error("unexpected value for id", ep_out.Id)
+	}
+	if len(ep_out.Metadata) != 0 {
+		t.Error("unexpected value for metadata", ep_out.Metadata)
+	}
+	if ep_out.Description != "string" {
+		t.Error("unexpected value for description", ep_out.Description)
+	}
+	if ep_out.RateLimit != nil {
+		t.Error("unexpected value for rateLimit", ep_out.RateLimit)
+	}
+	if ep_out.Uid != nil {
+		t.Error("unexpected value for uid", ep_out.Uid)
+	}
+	if ep_out.Url != "https://example.com/webhook/" {
+		t.Error("unexpected value for url", ep_out.Url)
+	}
+	if ep_out.Version != 1 {
+		t.Error("unexpected value for version", ep_out.Version)
+	}
+	if ep_out.Disabled != nil {
+		t.Error("unexpected value for disabled", ep_out.Disabled)
+	}
+	if len(ep_out.FilterTypes) != 0 {
+		t.Error("unexpected value for filterTypes", ep_out.FilterTypes)
+	}
+	if len(ep_out.Channels) != 0 {
+		t.Error("unexpected value for channels", ep_out.Channels)
+	}
+}