---
title: "Start Browser Session"
method: POST
path: "/api/agents/{agent_id}/browser-sessions"
tags: ["browser-supervision"]
---

# Start Browser Session

`POST /api/agents/{agent_id}/browser-sessions`

## Request

- Base URL: `https://app.thinqos.com` (the document declares no server; this is the origin it was published from)
- URL: `https://app.thinqos.com/api/agents/{agent_id}/browser-sessions`
- Auth: none declared

## Path parameters

- `agent_id` string, uuid, required

## Headers

- `x-impersonate-identity-id` string, nullable

## Request body

- BrowserSessionStart
  - `chat_id` string, uuid, nullable
  - `start_url` string, uri, nullable

## Response `200`

Successful Response

- BrowserSessionResponse
  - `session` BrowserSessionView, required
    - `session_id` string, uuid, required
    - `agent_identity_id` string, uuid, required
    - `chat_id` string, uuid, nullable
    - `current_url` string, nullable
    - `page_title` string, nullable
    - `expires_at` string, date-time, required
    - `control_mode` 'agent' | 'human', required
    - `controller_identity_id` string, uuid, nullable
    - `control_lease_expires_at` string, date-time, nullable
    - `control_version` integer
    - `frame_version` integer

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/thinqos/apis/thinqos-api.md) · [All operations](https://skmtc.dev/thinqos/apis/thinqos-api/llms.txt) · [OpenAPI document](https://skmtc.dev/thinqos/apis/thinqos-api/revisions/ce2c2ce318b1?raw)