Create workspace session event

POST/api/v1/experimental/session/{id}/events

Appends an event to an existing workspace session.

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

type*string

a non empty string

Length1 <= length

body*unknown

Response Body

`application/json`

curl -X POST "https://loading/api/v1/experimental/session/{id}/events" \  -H "Content-Type: application/json" \  -d '{    "type": "message",    "body": {      "source": "agent",      "message": "Planning the next API change",      "meta": {        "step": 2,        "ok": true      }    }  }'

{
  "id": "6f9d1b9c-0cf0-4a68-b3d1-1d232ac2ab8b",
  "sessionId": "sess_01JNZ4R6M5K8T0V3D4A9B2C7E1",
  "type": "message",
  "body": {
    "source": "agent",
    "message": "Planning the next API change",
    "meta": {
      "step": 2,
      "ok": true
    }
  },
  "ts": "2026-03-07T18:20:00.000Z"
}

{
  "issues": [
    {
      "_tag": "Pointer",
      "path": [
        "string"
      ],
      "message": "string"
    }
  ],
  "message": "string",
  "_tag": "HttpApiDecodeError"
}

{
  "code": "authentication_required",
  "message": "Authentication required. Send Authorization: Bearer <api-key>, x-api-key, or a signed-in session."
}

{
  "code": "insufficient_permissions",
  "message": "This API key does not have workspaces.write permission.",
  "details": {
    "requiredPermission": "workspaces.write"
  }
}

{
  "code": "not_found",
  "message": "The requested resource was not found."
}

{
  "code": "internal_error",
  "message": "An unexpected server error occurred."
}

Create workspace session event

Request Body

Response Body

201application/json

400application/json

401application/json

403application/json

404application/json

500application/json

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`