---
title: "Changes to Agent Start"
method: POST
path: "/agents/start"
---

# Changes to Agent Start

`POST /agents/start`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 35 revisions.

- **2026-09-30** `5265494c1d7c`: 1 breaking, 1 info
- **2026-09-19** `98d1efa52c43`: 2 breaking, 2 info

## Changes

- **2026-09-30** `5265494c1d7c`: 1 breaking, 1 info
  - removed the enum value `xai/grok-4-1-fast-non-reasoning` of the request property `reasoning_model/anyOf[subschema #1: LlmModel]/`
  - added the new `xai/grok-4.3` enum value to the request property `reasoning_model/anyOf[subschema #1: LlmModel]/`
- **2026-09-19** `98d1efa52c43`: 2 breaking, 2 info
  - removed the enum value `gemini/gemini-2.5-flash` of the request property `reasoning_model/anyOf[subschema #1: LlmModel]/`
  - removed the enum value `vertex_ai/gemini-2.5-flash` of the request property `reasoning_model/anyOf[subschema #1: LlmModel]/`
  - added the new `gemini/gemini-3.5-flash` enum value to the request property `reasoning_model/anyOf[subschema #1: LlmModel]/`
  - added the new `vertex_ai/gemini-3.5-flash` enum value to the request property `reasoning_model/anyOf[subschema #1: LlmModel]/`

---

[Operation](https://skmtc.dev/notte/apis/notte-api/docs/agents/start/post.md) - [API](https://skmtc.dev/notte/apis/notte-api.md) - [Page](https://skmtc.dev/notte/apis/notte-api/changes/agents/start/post)