Changes to Create or send an email message

Changed in 7 of the 61 revisions of this API.▲6●33○30

1. Jul 28, 2026b1bf96d8391e▲1●3○17
2. Jul 21, 202680833e66e010▲1
3. Jul 16, 20262fb3b617430a●16○9
4. Jul 14, 2026021f0faf96df▲1●1
5. Jul 12, 2026b3c5aebde44c▲2●13○3
6. Jul 7, 20266ef0ae248bf7○1
7. Jul 2, 2026224ed0d8a5c3▲1

What changed

• Jul 28, 2026b1bf96d8391e▲1●3○17See the full diff
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    removed the required property data/inserted_at from the response with the 202 status

    response-required-property-removed

  • ●

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

    response-optional-property-removed

  • ●

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

    response-optional-property-removed

  • ●

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

    response-property-enum-value-added

  • ○

    added the new optional request property attachments/items/content_id

    new-optional-request-property

  • ○

    added the new optional request property attachments/items/disposition

    new-optional-request-property

  • ○

    added the new optional request property forward_of_message_id

    new-optional-request-property

  • ○

    added the new optional request property in_reply_to_message_id

    new-optional-request-property

  • ○

    added the new optional request property reply_to_all

    new-optional-request-property

  • ○

    added the new optional request property scheduled_at

    new-optional-request-property

  • ○

    added the new optional request property tracking_settings

    new-optional-request-property

  • ○

    the request property group_id became nullable

    request-property-became-nullable

  • ○

    request property send_at deprecated

    request-property-deprecated

  • ○

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

    response-optional-property-added

  • ○

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

    response-optional-property-added

  • ○

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

    response-required-property-added

  • ○

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

    response-required-property-added

  • ○

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

    response-required-property-added

  • ○

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

    response-required-property-added

  • ○

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

    response-required-property-added

  • ○

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

    response-required-property-added

• Jul 21, 202680833e66e010▲1See the full diff
  • ▲

    added RenderErrorResponse to the response body oneOf list for the response status 422

    response-body-one-of-added

• Jul 16, 20262fb3b617430a●16○9See the full diff
  • ●

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

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

    added the new recipient_suppressed enum value to the errors/items/code response property for the response status 403

    response-property-enum-value-added

  • ●

    added the new recipient_suppressed enum value to the errors/items/code response property for the response status 404

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

    added the new reputation_suspended enum value to the errors/items/code response property for the response status 403

    response-property-enum-value-added

  • ●

    added the new reputation_suspended enum value to the errors/items/code response property for the response status 404

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ○

    added the optional property oneOf[email_ErrorResponse]/suppressed to the response with the 422 status

    response-optional-property-added

  • ○

    added the optional property suppressed to the response with the 202 status

    response-optional-property-added

  • ○

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

    response-optional-property-added

  • ○

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

    response-optional-property-added

  • ○

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

    response-optional-property-added

  • ○

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

    response-optional-property-added

  • ○

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

    response-optional-property-added

  • ○

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

    response-optional-property-added

  • ○

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

    response-optional-property-added

• Jul 14, 2026021f0faf96df▲1●1See the full diff
  • ▲

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

    request-parameter-max-length-decreased

  • ●

    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}$

    request-parameter-pattern-changed

• Jul 12, 2026b3c5aebde44c▲2●13○3See the full diff
  • ▲

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

    response-required-property-removed

  • ▲

    removed the success response with the status 200

    response-success-status-removed

  • ●

    removed the request property idempotency_key

    request-property-removed

  • ●

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

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

    added the new 10027 enum value to the errors/items/code response property for the response status 403

    response-property-enum-value-added

  • ●

    added the new 10027 enum value to the errors/items/code response property for the response status 404

    response-property-enum-value-added

  • ●

    added the new 10027 enum value to the errors/items/code response property for the response status 503

    response-property-enum-value-added

  • ●

    added the new 10027 enum value to the oneOf[email_ErrorResponse]/errors/items/code response property for the response status 422

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

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

    response-property-enum-value-added

  • ●

    added the new 10036 enum value to the errors/items/code response property for the response status 403

    response-property-enum-value-added

  • ●

    added the new 10036 enum value to the errors/items/code response property for the response status 404

    response-property-enum-value-added

  • ●

    added the new 10036 enum value to the errors/items/code response property for the response status 503

    response-property-enum-value-added

  • ●

    added the new 10036 enum value to the oneOf[email_ErrorResponse]/errors/items/code response property for the response status 422

    response-property-enum-value-added

  • ○

    added the new optional header request parameter Idempotency-Key

    new-optional-request-parameter

  • ○

    added the non-success response with the status 409

    response-non-success-status-added

  • ○

    added the non-success response with the status 413

    response-non-success-status-added

  This revision also has 1 change that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog

• Jul 7, 20266ef0ae248bf7○1See the full diff
  • ○

    endpoint added

    endpoint-added

  This revision also has 1 change that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog

• Jul 2, 2026224ed0d8a5c3▲1See the full diff
  • ▲

    api path removed without deprecation

    api-path-removed-without-deprecation

  This revision also has 111 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog