diff --git a/CHANGELOG.md b/CHANGELOG.md
index eaef1890..595852cc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 ## 0.0.3 [unreleased]
 
+### API
+1. [#28](https://github.com/bonitoo-io/influxdb-client-python/pull/28): Updated swagger to latest version
+
 ### Features
 1. [#24](https://github.com/influxdata/influxdb-client-python/issues/24): Added possibility to write dictionary-style object
 
diff --git a/influxdb_client/__init__.py b/influxdb_client/__init__.py
index 720bfb60..a2895e90 100644
--- a/influxdb_client/__init__.py
+++ b/influxdb_client/__init__.py
@@ -93,6 +93,7 @@
 from influxdb_client.domain.date_time_literal import DateTimeLiteral
 from influxdb_client.domain.deadman_check import DeadmanCheck
 from influxdb_client.domain.decimal_places import DecimalPlaces
+from influxdb_client.domain.delete_predicate_request import DeletePredicateRequest
 from influxdb_client.domain.dialect import Dialect
 from influxdb_client.domain.document import Document
 from influxdb_client.domain.document_create import DocumentCreate
diff --git a/influxdb_client/domain/__init__.py b/influxdb_client/domain/__init__.py
index 0f0a37b1..c78a591c 100644
--- a/influxdb_client/domain/__init__.py
+++ b/influxdb_client/domain/__init__.py
@@ -61,6 +61,7 @@
 from influxdb_client.domain.date_time_literal import DateTimeLiteral
 from influxdb_client.domain.deadman_check import DeadmanCheck
 from influxdb_client.domain.decimal_places import DecimalPlaces
+from influxdb_client.domain.delete_predicate_request import DeletePredicateRequest
 from influxdb_client.domain.dialect import Dialect
 from influxdb_client.domain.document import Document
 from influxdb_client.domain.document_create import DocumentCreate
diff --git a/influxdb_client/domain/delete_predicate_request.py b/influxdb_client/domain/delete_predicate_request.py
new file mode 100644
index 00000000..7b83faa3
--- /dev/null
+++ b/influxdb_client/domain/delete_predicate_request.py
@@ -0,0 +1,172 @@
+# coding: utf-8
+
+"""
+    Influx API Service
+
+    No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
+
+    OpenAPI spec version: 0.1.0
+    Generated by: https://openapi-generator.tech
+"""
+
+
+import pprint
+import re  # noqa: F401
+
+import six
+
+
+class DeletePredicateRequest(object):
+    """NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+
+    """
+    Attributes:
+      openapi_types (dict): The key is attribute name
+                            and the value is attribute type.
+      attribute_map (dict): The key is attribute name
+                            and the value is json key in definition.
+    """
+    openapi_types = {
+        'start': 'datetime',
+        'stop': 'datetime',
+        'predicate': 'str'
+    }
+
+    attribute_map = {
+        'start': 'start',
+        'stop': 'stop',
+        'predicate': 'predicate'
+    }
+
+    def __init__(self, start=None, stop=None, predicate=None):  # noqa: E501
+        """DeletePredicateRequest - a model defined in OpenAPI"""  # noqa: E501
+
+        self._start = None
+        self._stop = None
+        self._predicate = None
+        self.discriminator = None
+
+        self.start = start
+        self.stop = stop
+        if predicate is not None:
+            self.predicate = predicate
+
+    @property
+    def start(self):
+        """Gets the start of this DeletePredicateRequest.  # noqa: E501
+
+        RFC3339Nano.  # noqa: E501
+
+        :return: The start of this DeletePredicateRequest.  # noqa: E501
+        :rtype: datetime
+        """
+        return self._start
+
+    @start.setter
+    def start(self, start):
+        """Sets the start of this DeletePredicateRequest.
+
+        RFC3339Nano.  # noqa: E501
+
+        :param start: The start of this DeletePredicateRequest.  # noqa: E501
+        :type: datetime
+        """
+        if start is None:
+            raise ValueError("Invalid value for `start`, must not be `None`")  # noqa: E501
+
+        self._start = start
+
+    @property
+    def stop(self):
+        """Gets the stop of this DeletePredicateRequest.  # noqa: E501
+
+        RFC3339Nano.  # noqa: E501
+
+        :return: The stop of this DeletePredicateRequest.  # noqa: E501
+        :rtype: datetime
+        """
+        return self._stop
+
+    @stop.setter
+    def stop(self, stop):
+        """Sets the stop of this DeletePredicateRequest.
+
+        RFC3339Nano.  # noqa: E501
+
+        :param stop: The stop of this DeletePredicateRequest.  # noqa: E501
+        :type: datetime
+        """
+        if stop is None:
+            raise ValueError("Invalid value for `stop`, must not be `None`")  # noqa: E501
+
+        self._stop = stop
+
+    @property
+    def predicate(self):
+        """Gets the predicate of this DeletePredicateRequest.  # noqa: E501
+
+        sql where like delete statement  # noqa: E501
+
+        :return: The predicate of this DeletePredicateRequest.  # noqa: E501
+        :rtype: str
+        """
+        return self._predicate
+
+    @predicate.setter
+    def predicate(self, predicate):
+        """Sets the predicate of this DeletePredicateRequest.
+
+        sql where like delete statement  # noqa: E501
+
+        :param predicate: The predicate of this DeletePredicateRequest.  # noqa: E501
+        :type: str
+        """
+
+        self._predicate = predicate
+
+    def to_dict(self):
+        """Returns the model properties as a dict"""
+        result = {}
+
+        for attr, _ in six.iteritems(self.openapi_types):
+            value = getattr(self, attr)
+            if isinstance(value, list):
+                result[attr] = list(map(
+                    lambda x: x.to_dict() if hasattr(x, "to_dict") else x,
+                    value
+                ))
+            elif hasattr(value, "to_dict"):
+                result[attr] = value.to_dict()
+            elif isinstance(value, dict):
+                result[attr] = dict(map(
+                    lambda item: (item[0], item[1].to_dict())
+                    if hasattr(item[1], "to_dict") else item,
+                    value.items()
+                ))
+            else:
+                result[attr] = value
+
+        return result
+
+    def to_str(self):
+        """Returns the string representation of the model"""
+        return pprint.pformat(self.to_dict())
+
+    def __repr__(self):
+        """For `print` and `pprint`"""
+        return self.to_str()
+
+    def __eq__(self, other):
+        """Returns true if both objects are equal"""
+        if not isinstance(other, DeletePredicateRequest):
+            return False
+
+        return self.__dict__ == other.__dict__
+
+    def __ne__(self, other):
+        """Returns true if both objects are not equal"""
+        return not self == other
diff --git a/influxdb_client/domain/http_notification_rule_base.py b/influxdb_client/domain/http_notification_rule_base.py
index 31312a85..483b6c6a 100644
--- a/influxdb_client/domain/http_notification_rule_base.py
+++ b/influxdb_client/domain/http_notification_rule_base.py
@@ -48,7 +48,8 @@ def __init__(self, type=None, url=None):  # noqa: E501
         self.discriminator = None
 
         self.type = type
-        self.url = url
+        if url is not None:
+            self.url = url
 
     @property
     def type(self):
@@ -91,8 +92,6 @@ def url(self, url):
         :param url: The url of this HTTPNotificationRuleBase.  # noqa: E501
         :type: str
         """
-        if url is None:
-            raise ValueError("Invalid value for `url`, must not be `None`")  # noqa: E501
 
         self._url = url
 
diff --git a/influxdb_client/service/default_service.py b/influxdb_client/service/default_service.py
index b1dc48f1..8599c752 100644
--- a/influxdb_client/service/default_service.py
+++ b/influxdb_client/service/default_service.py
@@ -32,6 +32,124 @@ def __init__(self, api_client=None):
             api_client = ApiClient()
         self.api_client = api_client
 
+    def delete_post(self, delete_predicate_request, **kwargs):  # noqa: E501
+        """delete Time series data from InfluxDB  # noqa: E501
+
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+        >>> thread = api.delete_post(delete_predicate_request, async_req=True)
+        >>> result = thread.get()
+
+        :param async_req bool
+        :param DeletePredicateRequest delete_predicate_request: predicate delete request (required)
+        :param str zap_trace_span: OpenTracing span context
+        :param str org: specifies the destination organization for writes
+        :param str bucket: specifies the destination bucket for writes
+        :param str org_id: specifies the organization ID of the resource
+        :param str bucket_id: specifies the destination bucket ID for writes
+        :return: None
+                 If the method is called asynchronously,
+                 returns the request thread.
+        """
+        kwargs['_return_http_data_only'] = True
+        if kwargs.get('async_req'):
+            return self.delete_post_with_http_info(delete_predicate_request, **kwargs)  # noqa: E501
+        else:
+            (data) = self.delete_post_with_http_info(delete_predicate_request, **kwargs)  # noqa: E501
+            return data
+
+    def delete_post_with_http_info(self, delete_predicate_request, **kwargs):  # noqa: E501
+        """delete Time series data from InfluxDB  # noqa: E501
+
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+        >>> thread = api.delete_post_with_http_info(delete_predicate_request, async_req=True)
+        >>> result = thread.get()
+
+        :param async_req bool
+        :param DeletePredicateRequest delete_predicate_request: predicate delete request (required)
+        :param str zap_trace_span: OpenTracing span context
+        :param str org: specifies the destination organization for writes
+        :param str bucket: specifies the destination bucket for writes
+        :param str org_id: specifies the organization ID of the resource
+        :param str bucket_id: specifies the destination bucket ID for writes
+        :return: None
+                 If the method is called asynchronously,
+                 returns the request thread.
+        """
+
+        local_var_params = locals()
+
+        all_params = ['delete_predicate_request', 'zap_trace_span', 'org', 'bucket', 'org_id', 'bucket_id']  # noqa: E501
+        all_params.append('async_req')
+        all_params.append('_return_http_data_only')
+        all_params.append('_preload_content')
+        all_params.append('_request_timeout')
+
+        for key, val in six.iteritems(local_var_params['kwargs']):
+            if key not in all_params:
+                raise TypeError(
+                    "Got an unexpected keyword argument '%s'"
+                    " to method delete_post" % key
+                )
+            local_var_params[key] = val
+        del local_var_params['kwargs']
+        # verify the required parameter 'delete_predicate_request' is set
+        if ('delete_predicate_request' not in local_var_params or
+                local_var_params['delete_predicate_request'] is None):
+            raise ValueError("Missing the required parameter `delete_predicate_request` when calling `delete_post`")  # noqa: E501
+
+        collection_formats = {}
+
+        path_params = {}
+
+        query_params = []
+        if 'org' in local_var_params:
+            query_params.append(('org', local_var_params['org']))  # noqa: E501
+        if 'bucket' in local_var_params:
+            query_params.append(('bucket', local_var_params['bucket']))  # noqa: E501
+        if 'org_id' in local_var_params:
+            query_params.append(('orgID', local_var_params['org_id']))  # noqa: E501
+        if 'bucket_id' in local_var_params:
+            query_params.append(('bucketID', local_var_params['bucket_id']))  # noqa: E501
+
+        header_params = {}
+        if 'zap_trace_span' in local_var_params:
+            header_params['Zap-Trace-Span'] = local_var_params['zap_trace_span']  # noqa: E501
+
+        form_params = []
+        local_var_files = {}
+
+        body_params = None
+        if 'delete_predicate_request' in local_var_params:
+            body_params = local_var_params['delete_predicate_request']
+        # HTTP header `Accept`
+        header_params['Accept'] = self.api_client.select_header_accept(
+            ['application/json'])  # noqa: E501
+
+        # HTTP header `Content-Type`
+        header_params['Content-Type'] = self.api_client.select_header_content_type(  # noqa: E501
+            ['application/json'])  # noqa: E501
+
+        # Authentication setting
+        auth_settings = []  # noqa: E501
+
+        return self.api_client.call_api(
+            '/api/v2/delete', 'POST',
+            path_params,
+            query_params,
+            header_params,
+            body=body_params,
+            post_params=form_params,
+            files=local_var_files,
+            response_type=None,  # noqa: E501
+            auth_settings=auth_settings,
+            async_req=local_var_params.get('async_req'),
+            _return_http_data_only=local_var_params.get('_return_http_data_only'),  # noqa: E501
+            _preload_content=local_var_params.get('_preload_content', True),
+            _request_timeout=local_var_params.get('_request_timeout'),
+            collection_formats=collection_formats)
+
     def get_routes(self, **kwargs):  # noqa: E501
         """Map of all top level routes available  # noqa: E501
 
diff --git a/scripts/swagger.yml b/scripts/swagger.yml
index a7455593..0b892ad1 100644
--- a/scripts/swagger.yml
+++ b/scripts/swagger.yml
@@ -1640,6 +1640,68 @@ paths:
             application/json:
               schema:
                 $ref: "#/components/schemas/Error"
+  /delete:
+    post:
+      summary: delete Time series data from InfluxDB
+      requestBody:
+          description: predicate delete request
+          required: true
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/DeletePredicateRequest"
+      parameters:
+        - $ref: '#/components/parameters/TraceSpan'
+        - in: query
+          name: org
+          description: specifies the destination organization for writes
+          schema:
+            type: string
+            description: all points within batch are written to this organization.
+        - in: query
+          name: bucket
+          description: specifies the destination bucket for writes
+          schema:
+            type: string
+            description: all points within batch are written to this bucket.
+        - in: query
+          name: orgID
+          description: specifies the organization ID of the resource
+          schema:
+            type: string
+        - in: query
+          name: bucketID
+          description: specifies the destination bucket ID for writes
+          schema:
+            type: string
+            description: all points within batch are written to this bucket.
+      responses:
+        '204':
+          description: delete has been accepted
+        '400':
+          description: invalid request.
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+        '404':
+          description: the bucket or organization is not found.
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+        '403':
+          description: no token was sent or does not have sufficient permissions.
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+        default:
+          description: internal server error
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
   /ready:
     servers:
         - url: /
@@ -3975,6 +4037,12 @@ paths:
             application/json:
               schema:
                 $ref: "#/components/schemas/ResourceMembers"
+        '404':
+          description: Organization not found
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
         default:
           description: Unexpected error
           content:
@@ -4067,6 +4135,12 @@ paths:
             application/json:
               schema:
                 $ref: "#/components/schemas/ResourceOwners"
+        '404':
+          description: Organization not found
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
         default:
           description: Unexpected error
           content:
@@ -6160,6 +6234,23 @@ components:
           $ref: "#/components/schemas/Identifier"
         path:
           $ref: "#/components/schemas/StringLiteral"
+    DeletePredicateRequest:
+      description: the delete predicate request
+      type: object
+      required: [start, stop]
+      properties:
+        start:
+          description: RFC3339Nano.
+          type: string
+          format: date-time
+        stop:
+          description: RFC3339Nano.
+          type: string
+          format: date-time
+        predicate:
+          description: sql where like delete statement
+          example: tag1="value1" and (tag2="value2" and tag3="value3")
+          type: string
     Node:
       oneOf:
         - $ref: "#/components/schemas/Expression"
@@ -9651,7 +9742,7 @@ components:
           type: string
     HTTPNotificationRuleBase:
       type: object
-      required: [type, url]
+      required: [type]
       properties:
         type:
           type: string
diff --git a/tests/test_TasksApi.py b/tests/test_TasksApi.py
index acab4d90..cbcc80a1 100644
--- a/tests/test_TasksApi.py
+++ b/tests/test_TasksApi.py
@@ -282,7 +282,7 @@ def test_runs(self):
         self.assertLess(run.scheduled_for, now.astimezone(tz=datetime.timezone.utc))
         self.assertLess(run.started_at, now.astimezone(tz=datetime.timezone.utc))
         self.assertLess(run.finished_at, now.astimezone(tz=datetime.timezone.utc))
-        self.assertEqual(run.requested_at, datetime.datetime(1, 1, 1, 0, 0, tzinfo=datetime.timezone.utc))
+        self.assertIsNone(run.requested_at)
         self.assertIsNotNone(run.links)
 
         self.assertEqual(run.links.logs, "/api/v2/tasks/" + task.id + "/runs/" + run.id + "/logs")