diff --git a/buf/registry/module/v1beta1/commit_service.proto b/buf/registry/module/v1beta1/commit_service.proto
index c89ae2a..c3a8882 100644
--- a/buf/registry/module/v1beta1/commit_service.proto
+++ b/buf/registry/module/v1beta1/commit_service.proto
@@ -39,6 +39,8 @@ service CommitService {
   //
   // This is used by push and sync.
   //
+  // This operation is atomic. Either all Commits and associated content are created or an error is returned.
+  //
   // TODO: PushCommits? Something else? This is creating potentially a bunch of resources.
   rpc CreateCommits(CreateCommitsRequest) returns (CreateCommitsResponse) {
     option idempotency_level = IDEMPOTENT;
diff --git a/buf/registry/module/v1beta1/module_service.proto b/buf/registry/module/v1beta1/module_service.proto
index e4f596a..48297fa 100644
--- a/buf/registry/module/v1beta1/module_service.proto
+++ b/buf/registry/module/v1beta1/module_service.proto
@@ -36,14 +36,20 @@ service ModuleService {
   //
   // When a Module is created, a Branch representing the release Branch
   // is created as well.
+  //
+  // This operation is atomic. Either all Modules are created or an error is returned.
   rpc CreateModules(CreateModulesRequest) returns (CreateModulesResponse) {
     option idempotency_level = IDEMPOTENT;
   }
   // Update existing Modules.
+  //
+  // This operation is atomic. Either all Modules are updated or an error is returned.
   rpc UpdateModules(UpdateModulesRequest) returns (UpdateModulesResponse) {
     option idempotency_level = IDEMPOTENT;
   }
   // Delete existing Modules.
+  //
+  // This operation is atomic. Either all Modules are deleted or an error is returned.
   rpc DeleteModules(DeleteModulesRequest) returns (DeleteModulesResponse) {
     option idempotency_level = IDEMPOTENT;
   }
diff --git a/buf/registry/module/v1beta1/tag_service.proto b/buf/registry/module/v1beta1/tag_service.proto
index 4c8decf..ab32fdd 100644
--- a/buf/registry/module/v1beta1/tag_service.proto
+++ b/buf/registry/module/v1beta1/tag_service.proto
@@ -34,10 +34,14 @@ service TagService {
     option idempotency_level = NO_SIDE_EFFECTS;
   }
   // Create new Tags on a Module.
+  //
+  // This operation is atomic. Either all Tags are created or an error is returned.
   rpc CreateTags(CreateTagsRequest) returns (CreateTagsResponse) {
     option idempotency_level = IDEMPOTENT;
   }
   // Delete existing Tags.
+  //
+  // This operation is atomic. Either all Tags are deleted or an error is returned.
   rpc DeleteTags(DeleteTagsRequest) returns (DeleteTagsResponse) {
     option idempotency_level = IDEMPOTENT;
   }
diff --git a/buf/registry/owner/v1beta1/organization_service.proto b/buf/registry/owner/v1beta1/organization_service.proto
index 0efaf8b..e2639c0 100644
--- a/buf/registry/owner/v1beta1/organization_service.proto
+++ b/buf/registry/owner/v1beta1/organization_service.proto
@@ -33,14 +33,20 @@ service OrganizationService {
     option idempotency_level = NO_SIDE_EFFECTS;
   }
   // Create new Organizations.
+  //
+  // This operation is atomic. Either all Organizations are created or an error is returned.
   rpc CreateOrganizations(CreateOrganizationsRequest) returns (CreateOrganizationsResponse) {
     option idempotency_level = IDEMPOTENT;
   }
   // Update existing organizations.
+  //
+  // This operation is atomic. Either all Organizations are updated or an error is returned.
   rpc UpdateOrganizations(UpdateOrganizationsRequest) returns (UpdateOrganizationsResponse) {
     option idempotency_level = IDEMPOTENT;
   }
   // Delete existsing organizations.
+  //
+  // This operation is atomic. Either all Organizations are deleted or an error is returned.
   rpc DeleteOrganizations(DeleteOrganizationsRequest) returns (DeleteOrganizationsResponse) {
     option idempotency_level = IDEMPOTENT;
   }
diff --git a/buf/registry/owner/v1beta1/user_service.proto b/buf/registry/owner/v1beta1/user_service.proto
index 4e8ca36..a32cb52 100644
--- a/buf/registry/owner/v1beta1/user_service.proto
+++ b/buf/registry/owner/v1beta1/user_service.proto
@@ -33,14 +33,20 @@ service UserService {
     option idempotency_level = NO_SIDE_EFFECTS;
   }
   // Create new Users.
+  //
+  // This operation is atomic. Either all Users are created or an error is returned.
   rpc CreateUsers(CreateUsersRequest) returns (CreateUsersResponse) {
     option idempotency_level = IDEMPOTENT;
   }
   // Update existing Users.
+  //
+  // This operation is atomic. Either all Users are updated or an error is returned.
   rpc UpdateUsers(UpdateUsersRequest) returns (UpdateUsersResponse) {
     option idempotency_level = IDEMPOTENT;
   }
   // Delete existing Users.
+  //
+  // This operation is atomic. Either all Users are deleted or an error is returned.
   rpc DeleteUsers(DeleteUsersRequest) returns (DeleteUsersResponse) {
     option idempotency_level = IDEMPOTENT;
   }