{
  "id": "msg_9f8e7d6c-1a2b-3c4d-5e6f-7a8b9c0d1e2f",
  "wamid": "wamid.HBgNNTUxMTk5OTk5OTk5ORUCABEYEjVGQjA3RDIzRkU3QzYxRjM5NQA=",
  "external_id": "pedido-8734",
  "to": "+5511999999999",
  "type": "text",
  "status": "accepted",
  "created_at": "2026-07-08T12:34:56.000Z"
}

{
  "error": {
    "code": "invalid_request",
    "message": "The request body is invalid.",
    "request_id": "req_01J9X7K2M3N4P5Q6R7S8T9V0W1",
    "details": [
      {
        "path": "to",
        "message": "Required"
      }
    ]
  }
}

{
  "error": {
    "code": "invalid_api_key",
    "message": "Missing or invalid API key. Send it as 'Authorization: Bearer sk_...'.",
    "request_id": "req_01J9X7K2M3N4P5Q6R7S8T9V0W1"
  }
}

{
  "error": {
    "code": "lead_not_found",
    "message": "No lead matches this recipient in your company. The API only messages existing leads.",
    "request_id": "req_01J9X7K2M3N4P5Q6R7S8T9V0W1"
  }
}

{
  "error": {
    "code": "idempotency_conflict",
    "message": "This Idempotency-Key was already used with a different request body, or the original request is still in progress.",
    "request_id": "req_01J9X7K2M3N4P5Q6R7S8T9V0W1"
  }
}

{
  "error": {
    "code": "outside_24h_window",
    "message": "Free-form messages require the lead to have messaged you within the last 24 hours. Send an approved template instead.",
    "request_id": "req_01J9X7K2M3N4P5Q6R7S8T9V0W1",
    "upstream_code": 131047
  }
}

{
  "error": {
    "code": "rate_limit_exceeded",
    "message": "Rate limit for this API key exceeded. Retry after the time in the Retry-After header.",
    "request_id": "req_01J9X7K2M3N4P5Q6R7S8T9V0W1"
  }
}