curl -X POST 'https://api.goatpay.com.br/v1/payment-links/create' \
  -H 'X-API-Key: gp_live_SUA_CHAVE' \
  -H 'Content-Type: application/json' \
  -d '{
    "name": "Plano Pro",
    "slug": "plano-pro",
    "description": "Assinatura mensal",
    "fixedAmount": 99.90,
    "allowedMethods": ["PIX", "CRYPTO"],
    "requireEmail": true
  }'

{
  "success": true,
  "message": "Link de pagamento criado",
  "data": {
    "id": "clx_link",
    "name": "Plano Pro",
    "publicCode": "abc12",
    "slug": "plano-pro",
    "fixedAmount": 99.9,
    "allowedMethods": ["PIX", "CRYPTO"],
    "status": "ACTIVE",
    "payPageUrl": "https://pay.goatpay.com.br/pay/abc12/plano-pro",
    "checkoutPath": "/pay/abc12/plano-pro"
  },
  "requestId": "req_abc"
}