---
title: "Changes to Start a workflow asynchronously"
method: POST
path: "/workflow/start"
---

# Changes to Start a workflow asynchronously

`POST /workflow/start`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 5 of 20 revisions.

- **2026-07-03** `fcefb3d33302` — 2 info
- **2026-04-30** `c8798d226c67` — 2 info
- **2026-04-24** `01552bfa9579` — 2 breaking, 3 warning
- **2026-04-17** `a3368f919949` — 1 info
- **2026-03-13** `0f0e49049ef1` — 1 breaking, 2 warning, 7 info

## Changes

- **2026-07-03** `fcefb3d33302` — 2 info
  - added the non-success response with the status `424`
  - added the non-success response with the status `503`
- **2026-04-30** `c8798d226c67` — 2 info
  - added the new optional request property `catalog`
  - request property `taskQueue` deprecated
- **2026-04-24** `01552bfa9579` — 2 breaking, 3 warning
  - added `#/components/schemas/ValidationErrorResponse, #/components/schemas/ErrorResponse` to the response body `oneOf` list for the response status `400`
  - the response's body type changed from `object` to no type for status `400`
  - removed the optional property `error` from the response with the `400` status
  - removed the optional property `issues` from the response with the `400` status
  - removed the optional property `message` from the response with the `400` status
- **2026-04-17** `a3368f919949` — 1 info
  - added the optional property `runId` to the response with the `200` status
- **2026-03-13** `0f0e49049ef1` — 1 breaking, 2 warning, 7 info
  - the response's body type changed from no type to `object` for status `400`
  - removed the request property `catalog`
  - removed the optional property `runId` from the response with the `200` status
  - request property `taskQueue` reactivated
  - removed `#/components/schemas/ValidationErrorResponse, #/components/schemas/ErrorResponse` from the response body `oneOf` list for the response status `400`
  - removed the non-success response with the status `424`
  - removed the non-success response with the status `503`
  - added the optional property `error` to the response with the `400` status
  - added the optional property `issues` to the response with the `400` status
  - added the optional property `message` to the response with the `400` status

---

[Operation](https://skmtc.dev/growthxai/apis/output-ai-api/docs/workflow/start/post.md) · [API](https://skmtc.dev/growthxai/apis/output-ai-api.md) · [Page](https://skmtc.dev/growthxai/apis/output-ai-api/changes/workflow/start/post)