curl --request POST \
  --url https://api.bullring.finance/v2/ramp/{subaccountId}/banking/onramp/initiate \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "from": {
    "amount": 500,
    "currency": "BRL"
  },
  "to": {
    "asset": "STABLE_SATS",
    "chain": "lightning",
    "destination_address": "[email protected]"
  }
}
'

{
  "id": "f7009e0e-73f4-44cb-8f51-d30073f57716",
  "status": "pending",
  "type": "onramp",
  "from": {
    "amount": "500",
    "currency": "BRL",
    "payment_instructions": {
      "method": "pix",
      "qr_code": "00020101021226890014br.gov.bcb.pix2567brcode-h.sandbox.starkinfra.com/v2/fe71dbca8bb145fa953c1a2282ee49d15204000053039865802BR5908Bullring6015Ciudad de Mexic62070503***",
      "expires_at": "2026-01-12T15:31:28.000Z"
    }
  },
  "to": {
    "asset": "STABLE_SATS",
    "gross_amount": "92.80822735283428",
    "net_amount": "92.02980267077578",
    "address": "[email protected]"
  },
  "pricing": {
    "fx_rate": "0.18561645470566857",
    "fees": {
      "onramp_fee": "1.5",
      "onramp_fee_currency": "brl",
      "network_fee": "2.6937266999999996",
      "network_fee_asset": "STABLE_SATS"
    }
  }
}