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

{
  "type": "onramp",
  "from": {
    "amount": "500",
    "currency": "BRL"
  },
  "to": {
    "asset": "STABLE_SATS",
    "gross_amount": "95.47",
    "net_amount": "94.68"
  },
  "pricing": {
    "fx_rate": "0.19094342357815985",
    "fees": {
      "onramp_fee": "1.5",
      "onramp_fee_currency": "brl",
      "network_fee": "0.51",
      "network_fee_asset": "STABLE_SATS",
      "total_fees": "4.12",
      "total_fees_currency": "brl"
    }
  }
}