curl --request POST \
  --url https://api.bullring.finance/v1/ramp/{subaccountId}/banking/withdrawals/stablecoin \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "amount": "12",
  "stablecoin": "usdt",
  "chain": "ethereum",
  "address": "0x22ccb74a200d7b8094b72482edd46e23cbf3af37"
}
'

{
  "id": "08936301-4656-493d-9394-0e2320cf75d1",
  "amount": "12",
  "currency": "USDT",
  "status": "pending",
  "created_at": "2025-11-20T08:53:56.636Z",
  "client_reference": "123e4567-e89b-12d3-a456-426614174000",
  "protocol": "erc20",
  "fee_amount": 1.08,
  "fee_currency": "USD",
  "chain": "ETH",
  "destination_address": "0x***37",
  "local_amount": "12",
  "local_currency": "usdt",
  "tx_hash": null,
  "gross_amount": 13.08,
  "rate": 1
}