---
title: "Changes to Create a model response (Responses API)"
method: POST
path: "/v1/responses"
---

# Changes to Create a model response (Responses API)

`POST /v1/responses`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 11 of 102 revisions.

- **2026-10-03** `d077e0a45fc6`: 2 info
- **2026-10-03** `5a14c9087862`: 2 info
- **2026-09-20** `256288856d34`: 1 info
- **2026-09-12** `650121a951f4`: 2 info
- **2026-09-11** `e8755a27c7b2`: 2 info
- **2026-09-07** `6d038b14f291`: 8 warning, 3 info
- **2026-09-04** `332405636902`: 9 info
- **2026-09-03** `0ccfb40e9d1a`: 8 warning
- **2026-08-22** `496ff50bdfef`: 8 info
- **2026-06-08** `8c7901df38df`: 14 info
- **2026-04-19** `1a90f5d80e5a`: 48 warning, 9 info

## Changes

- **2026-10-03** `d077e0a45fc6`: 2 info
  - added the optional property `output/items/content/items/refusal` to the response with the `200` status (media type: application/json)
  - added the optional property `output/items/content/items/refusal` to the response with the `200` status (media type: text/event-stream)
- **2026-10-03** `5a14c9087862`: 2 info
  - added the optional property `usage/prompt_tokens_details/cache_write_tokens` to the response with the `200` status (media type: application/json)
  - added the optional property `usage/prompt_tokens_details/cache_write_tokens` to the response with the `200` status (media type: text/event-stream)
- **2026-09-20** `256288856d34`: 1 info
  - added the new optional request property `input/oneOf[subschema #2]/items/content/oneOf[subschema #2]/items/video_url`
- **2026-09-12** `650121a951f4`: 2 info
  - added the optional property `incomplete_details` to the response with the `200` status (media type: application/json)
  - added the optional property `incomplete_details` to the response with the `200` status (media type: text/event-stream)
- **2026-09-11** `e8755a27c7b2`: 2 info
  - added the optional property `previous_response_id` to the response with the `200` status (media type: application/json)
  - added the optional property `previous_response_id` to the response with the `200` status (media type: text/event-stream)
- **2026-09-07** `6d038b14f291`: 8 warning, 3 info
  - added the new `internal_error` enum value to the `error/type` response property for the response status `400` (media type: application/json)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `400` (media type: text/event-stream)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `401` (media type: application/json)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `401` (media type: text/event-stream)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `429` (media type: application/json)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `429` (media type: text/event-stream)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `502` (media type: application/json)
  - added the new `internal_error` enum value to the `error/type` response property for the response status `502` (media type: text/event-stream)
  - added the new optional request property `input/oneOf[subschema #2]/items/extra_content`
  - added the optional property `output/items/extra_content` to the response with the `200` status (media type: application/json)
  - added the optional property `output/items/extra_content` to the response with the `200` status (media type: text/event-stream)
- **2026-09-04** `332405636902`: 9 info
  - added the new optional request property `input/oneOf[subschema #2]/items/content/oneOf[subschema #2]/items/file`
  - added the optional property `output/items/content/items/file_data` to the response with the `200` status (media type: application/json)
  - added the optional property `output/items/content/items/file_data` to the response with the `200` status (media type: text/event-stream)
  - added the optional property `output/items/content/items/file_id` to the response with the `200` status (media type: application/json)
  - added the optional property `output/items/content/items/file_id` to the response with the `200` status (media type: text/event-stream)
  - added the optional property `output/items/content/items/file_url` to the response with the `200` status (media type: application/json)
  - added the optional property `output/items/content/items/file_url` to the response with the `200` status (media type: text/event-stream)
  - added the optional property `output/items/content/items/filename` to the response with the `200` status (media type: application/json)
  - added the optional property `output/items/content/items/filename` to the response with the `200` status (media type: text/event-stream)
- **2026-09-03** `0ccfb40e9d1a`: 8 warning
  - added the new `permission_error` enum value to the `error/type` response property for the response status `400` (media type: application/json)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `400` (media type: text/event-stream)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `401` (media type: application/json)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `401` (media type: text/event-stream)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `429` (media type: application/json)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `429` (media type: text/event-stream)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `502` (media type: application/json)
  - added the new `permission_error` enum value to the `error/type` response property for the response status `502` (media type: text/event-stream)
- **2026-08-22** `496ff50bdfef`: 8 info
  - added the optional property `error/provider` to the response with the `400` status (media type: application/json)
  - added the optional property `error/provider` to the response with the `400` status (media type: text/event-stream)
  - added the optional property `error/provider` to the response with the `401` status (media type: application/json)
  - added the optional property `error/provider` to the response with the `401` status (media type: text/event-stream)
  - added the optional property `error/provider` to the response with the `429` status (media type: application/json)
  - added the optional property `error/provider` to the response with the `429` status (media type: text/event-stream)
  - added the optional property `error/provider` to the response with the `502` status (media type: application/json)
  - added the optional property `error/provider` to the response with the `502` status (media type: text/event-stream)
- **2026-06-08** `8c7901df38df`: 14 info
  - added the new optional request property `context_management`
  - added the new optional request property `conversation`
  - added the new optional request property `include`
  - added the new optional request property `previous_response_id`
  - added the new optional request property `prompt`
  - added the new optional request property `prompt_cache_retention`
  - added the new optional request property `safety_identifier`
  - added the new optional request property `service_tier`
  - added the new optional request property `store`
  - added the new optional request property `text`
  - added the new optional request property `top_logprobs`
  - added the new optional request property `top_p`
  - added the new optional request property `truncation`
  - added the new optional request property `user`
- **2026-04-19** `1a90f5d80e5a`: 48 warning, 9 info
  - removed the optional property `code` from the response with the `400` status (media type: application/json)
  - removed the optional property `code` from the response with the `400` status (media type: text/event-stream)
  - removed the optional property `code` from the response with the `401` status (media type: application/json)
  - removed the optional property `code` from the response with the `401` status (media type: text/event-stream)
  - removed the optional property `code` from the response with the `429` status (media type: application/json)
  - removed the optional property `code` from the response with the `429` status (media type: text/event-stream)
  - removed the optional property `code` from the response with the `502` status (media type: application/json)
  - removed the optional property `code` from the response with the `502` status (media type: text/event-stream)
  - removed the optional property `message` from the response with the `400` status (media type: application/json)
  - removed the optional property `message` from the response with the `400` status (media type: text/event-stream)
  - removed the optional property `message` from the response with the `401` status (media type: application/json)
  - removed the optional property `message` from the response with the `401` status (media type: text/event-stream)
  - removed the optional property `message` from the response with the `429` status (media type: application/json)
  - removed the optional property `message` from the response with the `429` status (media type: text/event-stream)
  - removed the optional property `message` from the response with the `502` status (media type: application/json)
  - removed the optional property `message` from the response with the `502` status (media type: text/event-stream)
  - removed the optional property `param` from the response with the `400` status (media type: application/json)
  - removed the optional property `param` from the response with the `400` status (media type: text/event-stream)
  - removed the optional property `param` from the response with the `401` status (media type: application/json)
  - removed the optional property `param` from the response with the `401` status (media type: text/event-stream)
  - removed the optional property `param` from the response with the `429` status (media type: application/json)
  - removed the optional property `param` from the response with the `429` status (media type: text/event-stream)
  - removed the optional property `param` from the response with the `502` status (media type: application/json)
  - removed the optional property `param` from the response with the `502` status (media type: text/event-stream)
  - removed the optional property `provider` from the response with the `400` status (media type: application/json)
  - removed the optional property `provider` from the response with the `400` status (media type: text/event-stream)
  - removed the optional property `provider` from the response with the `401` status (media type: application/json)
  - removed the optional property `provider` from the response with the `401` status (media type: text/event-stream)
  - removed the optional property `provider` from the response with the `429` status (media type: application/json)
  - removed the optional property `provider` from the response with the `429` status (media type: text/event-stream)
  - removed the optional property `provider` from the response with the `502` status (media type: application/json)
  - removed the optional property `provider` from the response with the `502` status (media type: text/event-stream)
  - removed the optional property `status_code` from the response with the `400` status (media type: application/json)
  - removed the optional property `status_code` from the response with the `400` status (media type: text/event-stream)
  - removed the optional property `status_code` from the response with the `401` status (media type: application/json)
  - removed the optional property `status_code` from the response with the `401` status (media type: text/event-stream)
  - removed the optional property `status_code` from the response with the `429` status (media type: application/json)
  - removed the optional property `status_code` from the response with the `429` status (media type: text/event-stream)
  - removed the optional property `status_code` from the response with the `502` status (media type: application/json)
  - removed the optional property `status_code` from the response with the `502` status (media type: text/event-stream)
  - …17 more

---

[Operation](https://skmtc.dev/enterpilot/apis/gomodel-api/docs/v1/responses/post.md) - [API](https://skmtc.dev/enterpilot/apis/gomodel-api.md) - [Page](https://skmtc.dev/enterpilot/apis/gomodel-api/changes/v1/responses/post)
