curl --request POST \
  --url https://app.amplopay.com/api/v1/gateway/producer/withdrawals/crypto \
  --header 'Content-Type: application/json' \
  --header 'x-public-key: SUA_CHAVE_PUBLICA_AQUI' \
  --header 'x-secret-key: SUA_CHAVE_PRIVADA_AQUI' \
  --data '{
    "identifier": "crypto-withdraw-123",
    "amount": 100,
    "currency": "BRL",
    "cryptoCurrency": "USDT",
    "network": "TRON",
    "walletAddress": "TXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
    "callbackUrl": "https://example.com/webhooks/transfer"
  }'