---
title: "Changes to Reply to a support ticket"
method: POST
path: "/api/v1/support/tickets/{id}/messages"
---

# Changes to Reply to a support ticket

`POST /api/v1/support/tickets/{id}/messages`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 20 revisions.

- **2026-08-20** `352bea67aca5` — 1 breaking, 2 warning, 2 info
- **2026-08-12** `5d4938bb7de3` — 108 warning
- **2026-08-12** `4da209b29df8` — 36 warning

## Changes

- **2026-08-20** `352bea67aca5` — 1 breaking, 2 warning, 2 info
  - removed `subschema #1, subschema #2` from the request body `anyOf` list (media type: multipart/form-data)
  - removed the request property `attachments` (media type: multipart/form-data)
  - removed the request property `body` (media type: multipart/form-data)
  - added `#/components/schemas/SupportMessageSubmission, #/components/schemas/SupportAttachmentSubmission` to the request body `anyOf` list (media type: multipart/form-data)
  - the request's body type/format was generalized from `object`/`` to ``/`` (media type: multipart/form-data)
- **2026-08-12** `5d4938bb7de3` — 108 warning
  - added the new `closed` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `429`
  - added the new `closed` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #2: StructuredError]/code` response property for the response status `429`
  - added the new `closed` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `400`
  - added the new `closed` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `401`
  - added the new `closed` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `404`
  - added the new `closed` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `409`
  - added the new `closed` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `default`
  - added the new `closed` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `400`
  - added the new `closed` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `401`
  - added the new `closed` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `404`
  - added the new `closed` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `409`
  - added the new `closed` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `default`
  - added the new `expired` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `429`
  - added the new `expired` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #2: StructuredError]/code` response property for the response status `429`
  - added the new `expired` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `400`
  - added the new `expired` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `401`
  - added the new `expired` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `404`
  - added the new `expired` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `409`
  - added the new `expired` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `default`
  - added the new `expired` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `400`
  - added the new `expired` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `401`
  - added the new `expired` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `404`
  - added the new `expired` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `409`
  - added the new `expired` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `default`
  - added the new `invalid_complete_replies_request` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `429`
  - added the new `invalid_complete_replies_request` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #2: StructuredError]/code` response property for the response status `429`
  - added the new `invalid_complete_replies_request` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `400`
  - added the new `invalid_complete_replies_request` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `401`
  - added the new `invalid_complete_replies_request` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `404`
  - added the new `invalid_complete_replies_request` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `409`
  - added the new `invalid_complete_replies_request` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `default`
  - added the new `invalid_complete_replies_request` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `400`
  - added the new `invalid_complete_replies_request` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `401`
  - added the new `invalid_complete_replies_request` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `404`
  - added the new `invalid_complete_replies_request` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `409`
  - added the new `invalid_complete_replies_request` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `default`
  - added the new `invalid_coverage_request` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `429`
  - added the new `invalid_coverage_request` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #2: StructuredError]/code` response property for the response status `429`
  - added the new `invalid_coverage_request` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `400`
  - added the new `invalid_coverage_request` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `401`
  - …68 more
- **2026-08-12** `4da209b29df8` — 36 warning
  - added the new `coverage_cursor_gone` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `429`
  - added the new `coverage_cursor_gone` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #2: StructuredError]/code` response property for the response status `429`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `400`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `401`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `404`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `409`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `default`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `400`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `401`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `404`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `409`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `default`
  - added the new `coverage_cursor_unavailable` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `429`
  - added the new `coverage_cursor_unavailable` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #2: StructuredError]/code` response property for the response status `429`
  - added the new `coverage_cursor_unavailable` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `400`
  - added the new `coverage_cursor_unavailable` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `401`
  - added the new `coverage_cursor_unavailable` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `404`
  - added the new `coverage_cursor_unavailable` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `409`
  - added the new `coverage_cursor_unavailable` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `default`
  - added the new `coverage_cursor_unavailable` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `400`
  - added the new `coverage_cursor_unavailable` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `401`
  - added the new `coverage_cursor_unavailable` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `404`
  - added the new `coverage_cursor_unavailable` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `409`
  - added the new `coverage_cursor_unavailable` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `default`
  - added the new `invalid_coverage_cursor` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `429`
  - added the new `invalid_coverage_cursor` enum value to the `allOf[#/components/schemas/Error]/error/oneOf[subschema #2: StructuredError]/code` response property for the response status `429`
  - added the new `invalid_coverage_cursor` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `400`
  - added the new `invalid_coverage_cursor` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `401`
  - added the new `invalid_coverage_cursor` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `404`
  - added the new `invalid_coverage_cursor` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `409`
  - added the new `invalid_coverage_cursor` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `default`
  - added the new `invalid_coverage_cursor` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `400`
  - added the new `invalid_coverage_cursor` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `401`
  - added the new `invalid_coverage_cursor` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `404`
  - added the new `invalid_coverage_cursor` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `409`
  - added the new `invalid_coverage_cursor` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `default`

---

[Operation](https://skmtc.dev/xquik-dev/apis/xquik-api-2/docs/api/v1/support/tickets/:id/messages/post.md) · [API](https://skmtc.dev/xquik-dev/apis/xquik-api-2.md) · [Page](https://skmtc.dev/xquik-dev/apis/xquik-api-2/changes/api/v1/support/tickets/:id/messages/post)