---
title: "Changes to Bulk create annotations"
method: POST
path: "/api/annotations/bulk/"
---

# Changes to Bulk create annotations

`POST /api/annotations/bulk/`

> Every recorded change to this endpoint, newest first.
> 97 revisions in range; 1 not diffed.

## Timeline

Changed in 2 of 97 revisions.

- **2026-08-07** `e1ba2ecdbabb` — 3 breaking, 3 warning, 3 info
- **2026-07-08** `04ff286141b5` — 3 breaking, 3 warning

## Changes

- **2026-08-07** `e1ba2ecdbabb` — 3 breaking, 3 warning, 3 info
  - the `selected_items` request property type/format changed from ``/`` to `object`/`` (media type: application/json)
  - the `selected_items` request property type/format changed from ``/`` to `object`/`` (media type: application/x-www-form-urlencoded)
  - the `selected_items` request property type/format changed from ``/`` to `object`/`` (media type: multipart/form-data)
  - removed `#/components/schemas/SelectedItemsRequest` from the `selected_items` request property `allOf` list (media type: application/json)
  - removed `#/components/schemas/SelectedItemsRequest` from the `selected_items` request property `allOf` list (media type: application/x-www-form-urlencoded)
  - removed `#/components/schemas/SelectedItemsRequest` from the `selected_items` request property `allOf` list (media type: multipart/form-data)
  - added `subschema #1: all: false, subschema #2: all: true` to the `selected_items` request property `oneOf` list (media type: application/json)
  - added `subschema #1: all: false, subschema #2: all: true` to the `selected_items` request property `oneOf` list (media type: application/x-www-form-urlencoded)
  - added `subschema #1: all: false, subschema #2: all: true` to the `selected_items` request property `oneOf` list (media type: multipart/form-data)
- **2026-07-08** `04ff286141b5` — 3 breaking, 3 warning
  - added `#/components/schemas/AnnotationHistoryActionEnum` to the `last_action` request property `allOf` list (media type: application/json)
  - added `#/components/schemas/AnnotationHistoryActionEnum` to the `last_action` request property `allOf` list (media type: application/x-www-form-urlencoded)
  - added `#/components/schemas/AnnotationHistoryActionEnum` to the `last_action` request property `allOf` list (media type: multipart/form-data)
  - removed `#/components/schemas/LastActionEnum` from the `last_action` request property `allOf` list (media type: application/json)
  - removed `#/components/schemas/LastActionEnum` from the `last_action` request property `allOf` list (media type: application/x-www-form-urlencoded)
  - removed `#/components/schemas/LastActionEnum` from the `last_action` request property `allOf` list (media type: multipart/form-data)

---

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