---
title: "Get session detail"
method: GET
path: "/api/v1/sessions/{session_id}"
tags: ["sessions"]
---

# Get session detail

`GET /api/v1/sessions/{session_id}`

Return session metadata and turn count for a specific session.

## Path parameters

- `session_id` string, required — Identifier of the session to inspect.

## Response `200`

Successful Response

- SessionDetailResponse — Full session detail with turn count.
  - `id` string, required — Durable session identifier.
  - `title` string, required — Human-readable session title.
  - `status` string, required — Session status (active, archived).
  - `model_name` string, nullable — Model used in session.
  - `external_session_id` string, nullable — Canonical runtime session identifier.
  - `workspace_id` string, nullable — Workspace context.
  - `turn_count` integer, required — Total number of turns in this session.
  - `created_at` string, required — ISO-8601 creation timestamp.
  - `updated_at` string, required — ISO-8601 last-update timestamp.

## Other responses

- `401` — Authentication is required or the provided token is invalid.
- `403` — The caller does not have permission to access this resource.
- `404` — Session not found.
- `422` — Validation Error
- `503` — Session services are unavailable because server startup is incomplete.

## Changes

- **2026-04-23** `cef6d48edfbe` — 4 info
  - added the non-success response with the status `401`
  - added the non-success response with the status `403`
  - added the non-success response with the status `404`
  - added the non-success response with the status `503`
- **2026-04-18** `1f45411d7556` — 1 breaking, 1 info
  - the `id` response's property type changed from `integer` to `string` for status `200`
  - for the `path` request parameter `session_id`, the type was generalized from `integer` to `string`
- **2026-04-14** `3044e5c4a9da` — 1 info
  - endpoint added
- **2026-03-19** `78507b29ed8f` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/qredence/apis/fleet-rlm/changes/api/v1/sessions/:session_id/get.md)

---

[API](https://skmtc.dev/qredence/apis/fleet-rlm.md) · [All operations](https://skmtc.dev/qredence/apis/fleet-rlm/llms.txt) · [OpenAPI document](https://skmtc.dev/qredence/apis/fleet-rlm/revisions/d82643b26c96?raw)