Obter um cliente

{
  "id": "cus_j8s3i8x8sq6HyFzu",
  "object": "customer",
  "billing_address": {
    "city": "São Paulo",
    "country": "BR",
    "line1": "Av. Paulista, 1000",
    "line2": null,
    "postal_code": "01310-100",
    "state": "SP"
  },
  "billing_name": null,
  "created_at": "2026-05-16T14:09:27Z",
  "document": "12345678901",
  "document_type": "cpf",
  "email": "nome@email.com",
  "livemode": true,
  "metadata": {},
  "name": "Cliente Exemplo",
  "phone": "+5511999990000",
  "updated_at": "2026-05-16T15:02:10Z"
}

{
  "error": {
    "code": "authentication_failed",
    "message": "Invalid API key provided.",
    "type": "authentication_error"
  }
}

{
  "error": {
    "code": "resource_missing",
    "message": "Customer not found.",
    "param": "id",
    "type": "invalid_request_error"
  }
}