---
title: "Changes to [DEPRECATED] Question answering"
method: POST
path: "/v1/vector_stores/question-answering"
---

# Changes to [DEPRECATED] Question answering

`POST /v1/vector_stores/question-answering`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 9 of 44 revisions.

- **2026-11-03** `da24b4f7e983`: 1 warning
- **2026-10-31** `9179fec93d29`: 1 info
- **2026-10-21** `acf5d150807b`: 16 info
- **2026-10-19** `4ec1335caf37`: 24 info
- **2026-10-15** `7916e660ac3f`: 4 breaking, 4 info
- **2026-09-15** `957bf8ec8df8`: 4 breaking, 4 info
- **2026-09-08** `ce403656bc18`: 1 warning
- **2026-08-29** `b4acfee36575`: 1 info
- **2026-07-26** `587cbdf607b0`: 4 info

## Changes

- **2026-11-03** `da24b4f7e983`: 1 warning
  - removed the request property `search_options/apply_search_rules`
- **2026-10-31** `9179fec93d29`: 1 info
  - request property `search_options/apply_search_rules` deprecated
- **2026-10-21** `acf5d150807b`: 16 info
  - added the optional property `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/end_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/start_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/end_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/start_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/end_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/start_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/end_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/start_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/end_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/start_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/end_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/start_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/end_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/start_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/end_time_seconds` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_turns/anyOf[subschema #1]/items/start_time_seconds` to the response with the `200` status
- **2026-10-19** `4ec1335caf37`: 24 info
  - added the optional property `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_count` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_turns` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speakers` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_count` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_turns` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speakers` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_count` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_turns` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speakers` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_count` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_turns` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speakers` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_count` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_turns` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speakers` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_count` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_turns` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speakers` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_count` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speaker_turns` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #7: AudioChunkGeneratedMetadata]/speakers` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_count` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speaker_turns` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/oneOf[subschema #8: VideoChunkGeneratedMetadata]/speakers` to the response with the `200` status
- **2026-10-15** `7916e660ac3f`: 4 breaking, 4 info
  - added `#/components/schemas/EmailChunkGeneratedMetadata` to the `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/EmailChunkGeneratedMetadata` to the `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/EmailChunkGeneratedMetadata` to the `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/EmailChunkGeneratedMetadata` to the `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/` response property `oneOf` list for the response status `200`
  - added `email` discriminator mapping keys to the `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/` response property for the response status `200`
  - added `email` discriminator mapping keys to the `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/` response property for the response status `200`
  - added `email` discriminator mapping keys to the `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/` response property for the response status `200`
  - added `email` discriminator mapping keys to the `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/` response property for the response status `200`
- **2026-09-15** `957bf8ec8df8`: 4 breaking, 4 info
  - added `#/components/schemas/CsvChunkGeneratedMetadata` to the `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/CsvChunkGeneratedMetadata` to the `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/CsvChunkGeneratedMetadata` to the `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/CsvChunkGeneratedMetadata` to the `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/` response property `oneOf` list for the response status `200`
  - added `csv` discriminator mapping keys to the `sources/items/oneOf[subschema #1: ScoredTextInputChunk]/generated_metadata/anyOf[subschema #1]/` response property for the response status `200`
  - added `csv` discriminator mapping keys to the `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/generated_metadata/anyOf[subschema #1]/` response property for the response status `200`
  - added `csv` discriminator mapping keys to the `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/generated_metadata/anyOf[subschema #1]/` response property for the response status `200`
  - added `csv` discriminator mapping keys to the `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/generated_metadata/anyOf[subschema #1]/` response property for the response status `200`
- **2026-09-08** `ce403656bc18`: 1 warning
  - the `top_k` request property's max was set to `10000.00`
- **2026-08-29** `b4acfee36575`: 1 info
  - added the new optional request property `search_options/lsf`
- **2026-07-26** `587cbdf607b0`: 4 info
  - the `model` request property default value changed from `mixedbread-ai/mxbai-rerank-v3-listwise` to `mixedbread-ai/mxbai-rerank-v3.1-listwise`
  - added the optional property `sources/items/oneOf[subschema #2: ScoredImageUrlInputChunk]/context` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #3: ScoredAudioUrlInputChunk]/context` to the response with the `200` status
  - added the optional property `sources/items/oneOf[subschema #4: ScoredVideoUrlInputChunk]/context` to the response with the `200` status

---

[Operation](https://skmtc.dev/mixedbread/apis/mxbai-omni/docs/v1/vector_stores/question-answering/post.md) - [API](https://skmtc.dev/mixedbread/apis/mxbai-omni.md) - [Page](https://skmtc.dev/mixedbread/apis/mxbai-omni/changes/v1/vector_stores/question-answering/post)