Changes to Get a Dream

added the enum value admin-user-sign-out-2026-10-08 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value experimental-claude-tag-2026-10-21 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value analytics-usage-cost-2026-08-24 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value message-threads-2026-08-12 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

deleted the header request parameter x-api-key

the type response property const value create_new was added for the status 200

the type response property const value dream was added for the status 200

the type response property const value memory_store was added for the status 200

the type response property const value memory_store was added for the status 200

the type response property const value sessions was added for the status 200

the type response property const value update_existing was added for the status 200

removed the create_new enum value from the output_behavior/allOf[#/components/schemas/BetaOutputBehavior]/oneOf[#/components/schemas/BetaOutputBehaviorCreateNew]/type response property for the response status 200

removed the dream enum value from the type response property for the response status 200

removed the memory_store enum value from the inputs/items/oneOf[#/components/schemas/BetaDreamMemoryStoreInput]/type response property for the response status 200

removed the memory_store enum value from the outputs/items/oneOf[#/components/schemas/BetaDreamMemoryStoreOutput]/type response property for the response status 200

removed the sessions enum value from the inputs/items/oneOf[#/components/schemas/BetaDreamSessionsInput]/type response property for the response status 200

removed the update_existing enum value from the output_behavior/allOf[#/components/schemas/BetaOutputBehavior]/oneOf[#/components/schemas/BetaOutputBehaviorUpdateExisting]/type response property for the response status 200

added the enum value webhooks-2026-10-07 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value telemetry-destinations-2026-08-11 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value spend-limit-reads-2026-09-26 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value ce-plugins-2026-09-01 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the optional property request_id to the response with the 400 status

added the optional property request_id to the response with the 401 status

added the optional property request_id to the response with the 403 status

added the optional property request_id to the response with the 404 status

added the optional property request_id to the response with the 408 status

added the optional property request_id to the response with the 409 status

added the optional property request_id to the response with the 412 status

added the optional property request_id to the response with the 413 status

added the optional property request_id to the response with the 429 status

added the optional property request_id to the response with the 431 status

added the optional property request_id to the response with the 499 status

added the optional property request_id to the response with the 500 status

added the optional property request_id to the response with the 501 status

added the optional property request_id to the response with the 503 status

added the optional property request_id to the response with the 504 status

added the enum value inline-tools-2026-09-15 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

added the enum value mcp-client-2026-09-15 to the property items/anyOf[subschema #2]/ of the header request parameter anthropic-beta

the created_at response's property type changed from string to no type, and format from date-time to no format for status 200

the output_behavior response's property type changed from object to no type for status 200

the usage response's property type changed from object to no type for status 200

removed the required property usage/cache_creation_input_tokens from the response with the 200 status

removed the required property usage/cache_read_input_tokens from the response with the 200 status

removed the required property usage/input_tokens from the response with the 200 status

removed the required property usage/output_tokens from the response with the 200 status

added BetaDreamUsage to the usage response property allOf list for the response status 200

added BetaOutputBehavior to the output_behavior response property allOf list for the response status 200

added BetaTimestamp to the created_at response property allOf list for the response status 200

removed discriminator from output_behavior response property for the response status 200

removed BetaOutputBehaviorCreateNew BetaOutputBehaviorUpdateExisting from the output_behavior response property oneOf list for the response status 200

for the header request parameter anthropic-beta, the type changed from string to array

for the header request parameter anthropic-beta, the type of property items/ changed from string to no type

added the new optional header request parameter anthropic-workspace-id

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 400

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 401

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 403

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 404

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 408

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 409

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 412

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 413

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 429

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 431

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 499

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 500

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 501

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 503

added BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError to the error response property oneOf list for the response status 504

the error response's property type changed from object to no type for status 400

the error response's property type changed from object to no type for status 401

the error response's property type changed from object to no type for status 403

the error response's property type changed from object to no type for status 404

the error response's property type changed from object to no type for status 408

the error response's property type changed from object to no type for status 409

the error response's property type changed from object to no type for status 412

the error response's property type changed from object to no type for status 413

the error response's property type changed from object to no type for status 429

the error response's property type changed from object to no type for status 431

the error response's property type changed from object to no type for status 499

the error response's property type changed from object to no type for status 500

the error response's property type changed from object to no type for status 501

the error response's property type changed from object to no type for status 503

the error response's property type changed from object to no type for status 504

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 400

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 401

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 403

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 404

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 408

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 409

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 412

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 413

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 429

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 431

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 499

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 500

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 501

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 503

added invalid_request_error authentication_error billing_error permission_error not_found_error rate_limit_error timeout_error api_error overloaded_error discriminator mapping keys to the error response property for the response status 504

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 400

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 401

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 403

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 404

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 408

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 409

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 412

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 413

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 429

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 431

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 499

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 500

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 501

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 503

added BetaTargetStoreHeldError to the error response property oneOf list for the response status 504

the error response's property type changed from no type to object for status 400

the error response's property type changed from no type to object for status 401

the error response's property type changed from no type to object for status 403

the error response's property type changed from no type to object for status 404

the error response's property type changed from no type to object for status 408

the error response's property type changed from no type to object for status 409

the error response's property type changed from no type to object for status 412

the error response's property type changed from no type to object for status 413

the error response's property type changed from no type to object for status 429

the error response's property type changed from no type to object for status 431

the error response's property type changed from no type to object for status 499

the error response's property type changed from no type to object for status 500

the error response's property type changed from no type to object for status 501

the error response's property type changed from no type to object for status 503

the error response's property type changed from no type to object for status 504

removed the required property request_id from the response with the 400 status

removed the required property request_id from the response with the 401 status

removed the required property request_id from the response with the 403 status

removed the required property request_id from the response with the 404 status

removed the required property request_id from the response with the 408 status

removed the required property request_id from the response with the 409 status

removed the required property request_id from the response with the 412 status

removed the required property request_id from the response with the 413 status

removed the required property request_id from the response with the 429 status

removed the required property request_id from the response with the 431 status

removed the required property request_id from the response with the 499 status

removed the required property request_id from the response with the 500 status

removed the required property request_id from the response with the 501 status

removed the required property request_id from the response with the 503 status

removed the required property request_id from the response with the 504 status

the type response's property default value error was removed for the status 400

the type response's property default value error was removed for the status 401

the type response's property default value error was removed for the status 403

the type response's property default value error was removed for the status 404

the type response's property default value error was removed for the status 408

the type response's property default value error was removed for the status 409

the type response's property default value error was removed for the status 412

the type response's property default value error was removed for the status 413

the type response's property default value error was removed for the status 429

the type response's property default value error was removed for the status 431

the type response's property default value error was removed for the status 499

the type response's property default value error was removed for the status 500

the type response's property default value error was removed for the status 501

the type response's property default value error was removed for the status 503

the type response's property default value error was removed for the status 504

added conflict_error discriminator mapping keys to the error response property for the response status 400

added conflict_error discriminator mapping keys to the error response property for the response status 401

added conflict_error discriminator mapping keys to the error response property for the response status 403

added conflict_error discriminator mapping keys to the error response property for the response status 404

added conflict_error discriminator mapping keys to the error response property for the response status 408

added conflict_error discriminator mapping keys to the error response property for the response status 409

added conflict_error discriminator mapping keys to the error response property for the response status 412

added conflict_error discriminator mapping keys to the error response property for the response status 413

added conflict_error discriminator mapping keys to the error response property for the response status 429

added conflict_error discriminator mapping keys to the error response property for the response status 431

added conflict_error discriminator mapping keys to the error response property for the response status 499

added conflict_error discriminator mapping keys to the error response property for the response status 500

added conflict_error discriminator mapping keys to the error response property for the response status 501

added conflict_error discriminator mapping keys to the error response property for the response status 503

added conflict_error discriminator mapping keys to the error response property for the response status 504

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 400

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 401

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 403

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 404

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 408

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 409

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 412

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 413

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 429

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 431

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 499

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 500

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 501

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 503

removed api_error authentication_error billing_error invalid_request_error not_found_error overloaded_error permission_error rate_limit_error timeout_error discriminator mapping keys from the error response property for the response status 504

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 400

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 401

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 403

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 404

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 408

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 409

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 412

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 413

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 429

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 431

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 499

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 500

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 501

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 503

removed BetaInvalidRequestError BetaAuthenticationError BetaBillingError BetaPermissionError BetaNotFoundError BetaRateLimitError BetaGatewayTimeoutError BetaAPIError BetaOverloadedError from the error response property oneOf list for the response status 504

response property instructions list-of-types was widened by adding types null to media type application/json of response 200

response property session_id list-of-types was widened by adding types null to media type application/json of response 200

the archived_at response's property type changed from string to no type, and format from date-time to no format for status 200

the ended_at response's property type changed from string to no type, and format from date-time to no format for status 200

the error response's property type changed from object to no type for status 200

removed the required property error/message from the response with the 200 status

removed the required property error/type from the response with the 200 status

added BetaDreamError subschema #2 to the error response property anyOf list for the response status 200

added BetaTimestamp subschema #2 to the archived_at response property anyOf list for the response status 200

added BetaTimestamp subschema #2 to the ended_at response property anyOf list for the response status 200

added the required property output_behavior to the response with the 200 status

endpoint added