---
title: "Changes to Late Chunker"
method: POST
path: "/v1/chunk/late"
---

# Changes to Late Chunker

`POST /v1/chunk/late`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 13 of 20 revisions.

- **2025-05-22** `8a6665f478db` — 1 warning
- **2025-04-27** `bc64e1775952` — 1 info
- **2025-04-27** `5c8e44804806` — 1 breaking
- **2025-04-27** `1762a3ecb81b` — 1 info
- **2025-04-27** `7e3cb743a9ed` — 1 warning
- **2025-04-22** `b5fe83cf70c6` — 1 breaking, 1 info
- **2025-04-13** `e779d3fd51d5` — 1 warning, 2 info
- **2025-04-06** `4c7520e794a8` — 1 info
- **2025-04-06** `d612ec62c8f6` — 6 warning, 2 info
- **2025-04-06** `2d174e4e5a5a` — 1 info
- **2025-04-06** `a9d5b6b90675` — 9 breaking, 1 warning, 8 info
- **2025-04-06** `678e90630336` — 5 info
- **2025-04-06** `c791be50601b` — 2 breaking, 9 warning, 3 info

## Changes

- **2025-05-22** `8a6665f478db` — 1 warning
  - removed the optional property `items/sentences` from the response with the `200` status
- **2025-04-27** `bc64e1775952` — 1 info
  - endpoint added
- **2025-04-27** `5c8e44804806` — 1 breaking
  - api removed without deprecation
- **2025-04-27** `1762a3ecb81b` — 1 info
  - the `embedding_model` request property default value changed from `sentence-transformers/all-minilm-l6-v2` to `all-MiniLM-L6-v2`
- **2025-04-27** `7e3cb743a9ed` — 1 warning
  - removed the request property `text`
- **2025-04-22** `b5fe83cf70c6` — 1 breaking, 1 info
  - removed the media type `application/json` from the request body
  - added the media type `multipart/form-data` to the request body
- **2025-04-13** `e779d3fd51d5` — 1 warning, 2 info
  - removed the request property `rules`
  - added the new optional request property `lang`
  - added the new optional request property `recipe`
- **2025-04-06** `4c7520e794a8` — 1 info
  - the `min_characters_per_chunk` request property default value changed from `1` to `24`
- **2025-04-06** `d612ec62c8f6` — 6 warning, 2 info
  - removed the request property `approximate`
  - removed the request property `delim`
  - removed the request property `include_delim`
  - removed the request property `min_characters_per_sentence`
  - removed the request property `min_sentences_per_chunk`
  - removed the request property `mode`
  - added the new optional request property `min_characters_per_chunk`
  - added the new optional request property `rules`
- **2025-04-06** `2d174e4e5a5a` — 1 info
  - the request property `chunk_size` became optional
- **2025-04-06** `a9d5b6b90675` — 9 breaking, 1 warning, 8 info
  - the response property `items/end_index` became optional for the status `200`
  - the response property `items/sentences` became optional for the status `200`
  - the response property `items/sentences/items/end_index` became optional for the status `200`
  - the response property `items/sentences/items/start_index` became optional for the status `200`
  - the response property `items/sentences/items/text` became optional for the status `200`
  - the response property `items/sentences/items/token_count` became optional for the status `200`
  - the response property `items/start_index` became optional for the status `200`
  - the response property `items/text` became optional for the status `200`
  - the response property `items/token_count` became optional for the status `200`
  - removed the request property `args`
  - added the new optional request property `approximate`
  - added the new optional request property `delim`
  - added the new optional request property `embedding_model`
  - added the new optional request property `include_delim`
  - added the new optional request property `min_characters_per_sentence`
  - added the new optional request property `min_sentences_per_chunk`
  - added the new optional request property `mode`
  - added the new required request property `chunk_size` with a default value
- **2025-04-06** `678e90630336` — 5 info
  - removed the non-success response with the status `401`
  - removed the non-success response with the status `422`
  - removed the non-success response with the status `500`
  - added the optional property `items/embedding` to the response with the `200` status
  - added the required property `items/sentences` to the response with the `200` status
- **2025-04-06** `c791be50601b` — 2 breaking, 9 warning, 3 info
  - added the new required request property `args`
  - the response's body type/format changed from ``/`` to `array`/`` for status `200`
  - deleted the `header` request parameter `authorization`
  - removed the request property `approximate`
  - removed the request property `chunk_size`
  - removed the request property `delim`
  - removed the request property `embedding_model`
  - removed the request property `include_delim`
  - removed the request property `min_characters_per_sentence`
  - removed the request property `min_sentences_per_chunk`
  - removed the request property `mode`
  - removed `#/components/schemas/ErrorRES, subschema #1, subschema #2, subschema #3, subschema #4` from the response body `anyOf` list for the response status `200`
  - added the non-success response with the status `401`
  - added the non-success response with the status `500`

---

[Operation](https://skmtc.dev/feyninc/apis/chonkie-api/docs/v1/chunk/late/post.md) · [API](https://skmtc.dev/feyninc/apis/chonkie-api.md) · [Page](https://skmtc.dev/feyninc/apis/chonkie-api/changes/v1/chunk/late/post)