---
title: "Changes to ✨ Trigger state backfill for organization"
method: POST
path: "/api/fsm/backfill/"
---

# Changes to ✨ Trigger state backfill for organization

`POST /api/fsm/backfill/`

> Every recorded change to this operation, newest first.
> 142 revisions in range; 1 not diffed.

## Timeline

Changed in 1 of 142 revisions.

- **2026-07-08** `93493def8bb7`: 3 breaking, 1 info

## Changes

- **2026-07-08** `93493def8bb7`: 3 breaking, 1 info
  - the response's body type changed from no type to `object` for status `400`
  - removed the media type `application/json` for the response with the status `403`
  - removed the media type `application/json` for the response with the status `404`
  - added the required property `error` to the response with the `400` status

---

[Operation](https://skmtc.dev/humansignal/apis/label-studio-api/docs/api/fsm/backfill/post.md) - [API](https://skmtc.dev/humansignal/apis/label-studio-api.md) - [Page](https://skmtc.dev/humansignal/apis/label-studio-api/changes/api/fsm/backfill/post)