---
title: "Create Agent Session"
method: POST
path: "/agent/sessions"
---

# Create Agent Session

`POST /agent/sessions`

## Headers

- `Authorization` string, nullable
- `X-User-Id` string, nullable

## Cookies

- `session_id` string, nullable

## Request body

- CreateAgentSessionRequest
  - `experimental_version` string, nullable
  - `volume_override` string, nullable
  - `claude_code_oauth_token` string, nullable
  - `effort` 'low' | 'medium' | 'high'
  - `model` 'claude-opus-4-8' | 'claude-opus-5' | 'claude-sonnet-5'
  - `archived` boolean

## Response `200`

Successful Response

- AgentSessionSummary — Session fields shared by HTTP and transcript discovery.
  - `id` integer, required
  - `status` 'idle' | 'turn_in_progress', required
  - `archived` boolean, required
  - `title` string, nullable, required
  - `created_at` string, date-time, required
  - `last_activity_at` string, date-time, required
  - `routine_run_id` integer, nullable
  - `scheduled_task_id` integer, nullable
  - `last_message_id` integer, nullable
  - `sdk_session_id` string, nullable, required
  - `updated_at` string, date-time, required
  - `experimental_version` string, nullable, required
  - `volume_override` string, nullable, required
  - `effort` 'low' | 'medium' | 'high', required
  - `model` 'claude-opus-4-8' | 'claude-opus-5' | 'claude-sonnet-5', required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/runconverge/apis/fastapi.md) · [All operations](https://skmtc.dev/runconverge/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/runconverge/fastapi/revisions/1452e350bd1d/schema)