{
  "data": {
    "id": "kd1b2c3d-0000-4000-8000-000000000061",
    "knowledge_base_id": "kb1b2c3d-0000-4000-8000-000000000060",
    "name": "FAQ",
    "description": "Answers to common questions",
    "source_type": "text",
    "source_url": null,
    "status": "ready",
    "error_message": null,
    "chunk_count": 12,
    "mime_type": "text/plain",
    "size_bytes": 20480,
    "created_at": "2026-07-01T12:00:00Z",
    "updated_at": "2026-07-01T12:00:30Z"
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "\"to_number\" is required (E.164 format, e.g. +4930123456)."
  }
}

{
  "error": {
    "code": "unauthorized",
    "message": "Invalid API key."
  }
}

{
  "error": {
    "code": "forbidden",
    "message": "This API key is missing the required scope \"assistants:write\"."
  }
}

{
  "error": {
    "code": "not_found",
    "message": "Assistant not found"
  }
}