---
title: "Changes to Create a 'generate-premium-captions' job"
method: POST
path: "/robots/v0/jobs/generate-premium-captions"
---

# Changes to Create a 'generate-premium-captions' job

`POST /robots/v0/jobs/generate-premium-captions`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 7 of 54 revisions.

- **2026-10-26** `151835caff06`: 1 info
- **2026-10-19** `7e2e5079412d`: 3 info
- **2026-10-08** `296f0b01bb84`: 1 breaking, 14 info
- **2026-09-28** `b57bb059a052`: 8 info
- **2026-09-17** `68a2dd0743bf`: 1 info
- **2026-08-19** `a1c396b68b19`: 1 breaking, 2 info
- **2026-08-12** `5b4b3133f27d`: 1 info

## Changes

- **2026-10-26** `151835caff06`: 1 info
  - endpoint deprecated
- **2026-10-19** `7e2e5079412d`: 3 info
  - api operation id `create-generate-premium-captions-job` removed and replaced with `create-generate-premium-captions-job-v0`
  - api tag `Generate Premium Captions (v0)` added
  - api tag `Generate Premium Captions` removed
- **2026-10-08** `296f0b01bb84`: 1 breaking, 14 info
  - request body became required
  - the `replace_existing_tracks` request property default value `fail` was added
  - added the optional property `error/messages` to the response with the `400` status
  - added the optional property `error/messages` to the response with the `401` status
  - added the optional property `error/messages` to the response with the `403` status
  - added the optional property `error/messages` to the response with the `409` status
  - added the optional property `error/messages` to the response with the `422` status
  - added the optional property `error/messages` to the response with the `500` status
  - the `replace_existing_tracks` response's property default value `fail` was added for the status `202`
  - response property `error/message` deprecated
  - response property `error/message` deprecated
  - response property `error/message` deprecated
  - response property `error/message` deprecated
  - response property `error/message` deprecated
  - response property `error/message` deprecated
- **2026-09-28** `b57bb059a052`: 8 info
  - added the new optional request property `parameters/replace_existing_tracks`
  - the `replace_existing` request property default value `false` was removed
  - request property `parameters/replace_existing` deprecated
  - added the optional property `data/outputs/replaced_tracks` to the response with the `202` status
  - added the optional property `data/parameters/replace_existing_tracks` to the response with the `202` status
  - the `replace_existing` response's property default value `false` was removed for the status `202`
  - response property `data/outputs/replaced_track_id` deprecated
  - response property `data/parameters/replace_existing` deprecated
- **2026-09-17** `68a2dd0743bf`: 1 info
  - added the non-success response with the status `409`
- **2026-08-19** `a1c396b68b19`: 1 breaking, 2 info
  - the `parameters/phrases/items/` request property's maxLength was decreased to `49`
  - added the optional property `data/outputs/auto_language_confidence` to the response with the `202` status
  - added the optional property `data/outputs/detected_language` to the response with the `202` status
- **2026-08-12** `5b4b3133f27d`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/muxinc/apis/mux-api/docs/robots/v0/jobs/generate-premium-captions/post.md) - [API](https://skmtc.dev/muxinc/apis/mux-api.md) - [Page](https://skmtc.dev/muxinc/apis/mux-api/changes/robots/v0/jobs/generate-premium-captions/post)