curl --request POST \
  --url https://sandbox.api.fin.com/v2/customers/virtual-account \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "destination": {
    "wallet": "0x6e41e83d406185b358bd72111ab1206cb82eb67f",
    "currency": "USDC",
    "rail": "POLYGON"
  },
  "source": {
    "currency": "USD",
    "rail": "FEDWIRE"
  },
  "developer_fee": {
    "percentage": 0.1,
    "fixed": 0.1
  }
}
'

{
  "data": {
    "id": "024e784b-bc27-4a4c-82ee-80000fbf53c5",
    "status": "PROCESSING",
    "customer_id": "0fb72092-22a8-4df8-a6d9-1a28f86b7d44",
    "created_at": "2026-04-04T11:05:20.963676Z",
    "rfi": null
  }
}