curl -X POST 'https://api.goatpay.com.br/v1/serasa/dunnings/create' \
  -H 'X-API-Key: gp_live_SUA_CHAVE'

{
  "success": true,
  "message": "Negativação solicitada",
  "data": {
    "id": "ce35702d-0d9f-475a-ba46-e251ad265c91",
    "status": "PENDING",
    "type": "CREDIT_BUREAU",
    "payment": "clx_billing",
    "customerName": "João da Silva",
    "customerCpfCnpj": "12345678909",
    "dateCreated": "2026-05-31T10:00:00.000Z"
  },
  "requestId": "req_abc"
}