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Cryptocurrency codes

The Overpay system can process transactions in the following cryptocurrencies:

Cryptocurrency name Cryptocurrency code
Axie Infinity AXS
Binance USD BUSD
Bitcoin BTC
Bitcoin BEP2 BTCB
Bitcoin Cash BCH
BNB BNB
Cardano ADA
CasinoCoin CSC
Dai DAI
Dash DASH
Dexsport DESU
Dogecoin DOGE
Ethereum ETH
Huobi Token HT
HUSD HUSD
Litecoin LTC
Tether USDT
TRON TRX
TrueUSD TUSD
USD Coin USDC
XRP XRP

Special requirements for cryptocurrency transactions

To make the Overpay system process a cryptocurrency transaction properly, follow the requirements below:

  • While sending cryptocurrency transactions, indicate the cryptocurrency code as a value of the currency parameter.

  • The amount parameter supports integer values only. To send a payment or payout transaction request, please, make the following steps:

    1. If you deal with transaction amounts in minimal cryptocurrency units, convert a payment or payout amount into a sum in the main cryptocurrency units. For example, 12 345 satoshi equals 0.00012345 BTC, 12 345 gwei equals 0.000012345 ETH.

    2. Multiply the sum in the main cryptocurrency units by 100 000 000, and round the fractional part of the number, if any, according to the mathematical rounding rules. For example, 0.00012345 BTC = 12345, 0.000012345 ETH = 1235.

    3. Submit the number as a value of the amount parameter in your payment or payout transaction request.

Request example for a payment of 1.123 456 79 BTC 
{
"request":{
    "amount":112345679,
    "currency":"BTC",
    "description":"Test transaction in cryptocurrency",
    "tracking_id":"your_unique_number",
    "language":"en",
    "test":true,
    "billing_address":{
        "first_name":"John",
        "last_name":"Doe",
        "country":"US",
        "city":"Denver",
        "state":"CO",
        "zip":"96002",
        "address":"1st Street"
    },
    "credit_card":{
        "number":"4200000000000000",
        "verification_value":"123",
        "holder":"John Doe",
        "exp_month":"05",
        "exp_year":"2027"
    },
    "customer":{
        "ip":"127.0.0.1",
        "email":"[email protected]"
    }
}
}