Get session transcript

`GET /sessions/{id}/messages`

Returns all messages for a session, ordered by createdAt ascending. Caller must be a participant of the session, or have accessTechnicalEvents permission. costUsd, usageJson, and model are only included when the caller has reportAiPerformance.

Path parameters

idstringpathrequired

Session ID (client-minted UUIDv4)

Responses

200 — Successful operation

Response Example

{
  "messages": [
    {
      "id": "string",
      "sessionId": "string",
      "type": "text",
      "direction": "in",
      "sender": null,
      "to": [
        {
          "id": 1
        }
      ],
      "content": "string",
      "attachments": [
        null
      ],
      "createdAt": "2026-01-01T12:00:00Z",
      "costUsd": 1,
      "usageJson": null,
      "model": "string"
    }
  ],
  "success": true
}

403 — Not a participant of this session

404 — Session not found