---
title: "Changes to Start a CUA task"
method: POST
path: "/api/task/cua"
---

# Changes to Start a CUA task

`POST /api/task/cua`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 11 of 27 revisions.

- **2026-11-10** `1e61734dcedb`: 1 info
- **2026-10-28** `bfd93b34a190`: 1 info
- **2026-10-15** `225d94fe61a0`: 1 info
- **2026-10-15** `6ca0b00ee564`: 3 info
- **2026-10-11** `6bf1269eede9`: 1 info
- **2026-09-30** `20c1d58d35fa`: 1 info
- **2026-09-23** `ca2e6bfc712c`: 2 info
- **2026-09-11** `965619cfc831`: 1 info
- **2026-09-07** `0ed5a281f123`: 1 info
- **2026-08-06** `69aa004ce41b`: 1 info
- **2026-07-13** `69478e5ab275`: 4 info

## Changes

- **2026-11-10** `1e61734dcedb`: 1 info
  - the `llm` request property default value changed from `computer-use-preview` to `gpt-5.6-terra`
- **2026-10-28** `bfd93b34a190`: 1 info
  - added the new `gpt-6.1-terra` enum value to the request property `llm`
- **2026-10-15** `225d94fe61a0`: 1 info
  - added `subschema #4` to the `sessionOptions/credentials/items/` request property `oneOf` list
- **2026-10-15** `6ca0b00ee564`: 3 info
  - added the new optional request property `sessionOptions/credentials`
  - added the new optional request property `sessionOptions/proxyRoutes`
  - added the new optional request property `sessionOptions/webBotAuth`
- **2026-10-11** `6bf1269eede9`: 1 info
  - added the new optional request property `sessionOptions/enableWebMcp`
- **2026-09-30** `20c1d58d35fa`: 1 info
  - added the new `gpt-6.1-sol` enum value to the request property `llm`
- **2026-09-23** `ca2e6bfc712c`: 2 info
  - added the new `gpt-6-luna` enum value to the request property `llm`
  - added the new `gpt-6-sol` enum value to the request property `llm`
- **2026-09-11** `965619cfc831`: 1 info
  - added the new optional request property `reasoningEffort`
- **2026-09-07** `0ed5a281f123`: 1 info
  - added the new `gpt-6-astra` enum value to the request property `llm`
- **2026-08-06** `69aa004ce41b`: 1 info
  - added the new `us` enum value to the request property `sessionOptions/region`
- **2026-07-13** `69478e5ab275`: 4 info
  - added the new `gpt-5.5` enum value to the request property `llm`
  - added the new `gpt-5.6-luna` enum value to the request property `llm`
  - added the new `gpt-5.6-sol` enum value to the request property `llm`
  - added the new `gpt-5.6-terra` enum value to the request property `llm`

---

[Operation](https://skmtc.dev/hyperbrowser/apis/hyperbrowser-api/docs/api/task/cua/post.md) - [API](https://skmtc.dev/hyperbrowser/apis/hyperbrowser-api.md) - [Page](https://skmtc.dev/hyperbrowser/apis/hyperbrowser-api/changes/api/task/cua/post)