Changes to Create a batch of email messages

added the new expired enum value to the data/items/events/items/type response property for the response status 207

added the new gw_reject enum value to the data/items/events/items/type response property for the response status 207

added the new injection_timeout enum value to the data/items/events/items/type response property for the response status 207

added the new quarantine_expired enum value to the data/items/events/items/type response property for the response status 207

added the new quarantine_rejected enum value to the data/items/events/items/type response property for the response status 207

added the new quarantine_release_dispatched enum value to the data/items/events/items/type response property for the response status 207

added the new quarantine_released enum value to the data/items/events/items/type response property for the response status 207

added the new quarantined enum value to the data/items/events/items/type response property for the response status 207

added the new scan_deferred enum value to the data/items/events/items/type response property for the response status 207

added the new suppressed enum value to the data/items/events/items/type response property for the response status 207

added the required property data/items/metadata to the response with the 207 status

added the required property data/items/tags to the response with the 207 status

added DailySendLimitError DomainGraduationLimitExceededError ReputationSuspendedError to the response body oneOf list for the response status 429

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

removed the optional property errors from the response with the 429 status

added the new 10011 enum value to the errors/items/code response property for the response status 400

added the new 10011 enum value to the errors/items/code response property for the response status 401

added the new 10011 enum value to the errors/items/code response property for the response status 409

added the new 10011 enum value to the errors/items/code response property for the response status 413

added the new 10011 enum value to the errors/items/code response property for the response status 422

added the new 10011 enum value to the errors/items/code response property for the response status 503

added the new domain_graduation_limit_exceeded enum value to the errors/items/code response property for the response status 400

added the new domain_graduation_limit_exceeded enum value to the errors/items/code response property for the response status 401

added the new domain_graduation_limit_exceeded enum value to the errors/items/code response property for the response status 409

added the new domain_graduation_limit_exceeded enum value to the errors/items/code response property for the response status 413

added the new domain_graduation_limit_exceeded enum value to the errors/items/code response property for the response status 422

added the new domain_graduation_limit_exceeded enum value to the errors/items/code response property for the response status 503

added the new unprocessable_entity enum value to the errors/items/code response property for the response status 207

added the optional property data/items/suppressed to the response with the 207 status

removed the success response with the status 202

the optional response header Idempotent-Replayed removed for the status 207

removed the required property data/items/inserted_at from the response with the 202 status

removed the required property data/items/inserted_at from the response with the 207 status

removed the optional property data/items/send_at from the response with the 202 status

removed the optional property data/items/send_at from the response with the 207 status

removed the optional property data/items/suppressed from the response with the 202 status

removed the optional property data/items/suppressed from the response with the 207 status

added the new daily_limit_exceeded enum value to the data/items/events/items/type response property for the response status 202

added the new daily_limit_exceeded enum value to the data/items/events/items/type response property for the response status 207

added the new optional request property messages/items/attachments/items/content_id

added the new optional request property messages/items/attachments/items/disposition

added the new optional request property messages/items/scheduled_at

added the new optional request property messages/items/tracking_settings

the request property messages/items/group_id became nullable

request property messages/items/send_at deprecated

added the optional property data/items/recipient_statuses to the response with the 202 status

added the optional property data/items/recipient_statuses to the response with the 207 status

added the optional property data/items/scheduled_at to the response with the 202 status

added the optional property data/items/scheduled_at to the response with the 207 status

added the required property data/items/attachments/items/content_id to the response with the 202 status

added the required property data/items/attachments/items/content_id to the response with the 207 status

added the required property data/items/attachments/items/disposition to the response with the 202 status

added the required property data/items/attachments/items/disposition to the response with the 207 status

added the required property data/items/attachments/items/sha256 to the response with the 202 status

added the required property data/items/attachments/items/sha256 to the response with the 207 status

added the required property data/items/attachments/items/size_bytes to the response with the 202 status

added the required property data/items/attachments/items/size_bytes to the response with the 207 status

added the required property data/items/attachments/items/url to the response with the 202 status

added the required property data/items/attachments/items/url to the response with the 207 status

added the required property data/items/created_at to the response with the 202 status

added the required property data/items/created_at to the response with the 207 status

added the new recipient_suppressed enum value to the errors/items/code response property for the response status 400

added the new recipient_suppressed enum value to the errors/items/code response property for the response status 401

added the new recipient_suppressed enum value to the errors/items/code response property for the response status 409

added the new recipient_suppressed enum value to the errors/items/code response property for the response status 413

added the new recipient_suppressed enum value to the errors/items/code response property for the response status 422

added the new recipient_suppressed enum value to the errors/items/code response property for the response status 503

added the new reputation_suspended enum value to the errors/items/code response property for the response status 400

added the new reputation_suspended enum value to the errors/items/code response property for the response status 401

added the new reputation_suspended enum value to the errors/items/code response property for the response status 409

added the new reputation_suspended enum value to the errors/items/code response property for the response status 413

added the new reputation_suspended enum value to the errors/items/code response property for the response status 422

added the new reputation_suspended enum value to the errors/items/code response property for the response status 503

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

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

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

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

added the optional property suppressed to the response with the 422 status

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

for the header request parameter Idempotency-Key, the maxLength was decreased from 512 to 255

changed the pattern of the header request parameter Idempotency-Key from ^(?:[A-Za-z0-9_-]{1,255}|"(?:[\x20-\x21\x23-\x5B\x5D-\x7E]|\\["\\]){1,255}")$ to ^[A-Za-z0-9_-]{1,255}$

removed the required property data/items/idempotency_key from the response with the 202 status

removed the required property data/items/idempotency_key from the response with the 207 status

removed the request property messages/items/idempotency_key

added the new 10027 enum value to the errors/items/code response property for the response status 400

added the new 10027 enum value to the errors/items/code response property for the response status 401

added the new 10036 enum value to the errors/items/code response property for the response status 400

added the new 10036 enum value to the errors/items/code response property for the response status 401

added the new optional header request parameter Idempotency-Key

added the non-success response with the status 409

added the non-success response with the status 413

added the non-success response with the status 422

added the non-success response with the status 503

endpoint added

api path removed without deprecation