affiliate_fee and merchant_fee. Those two parameters can be used to distribute percentage of the instant payout to address and affiliate wallets.affiliate_fee is used to set percentage to the affiliate wallet, if it is set to 0.01 this wallet would receive 1% of the total final payout. merchant_fee is used to set percentage to the address wallet, if it is set to 0.98 then this wallet would receive 98% of the total final payout.affiliate_fee and merchant_fee must always be 0.99 as our service fee is 1% of the total payout. If the total is not 0.99 the request would fail.pending: optional parameter for enabling pending (unconfirmed) blockchain transactions callback notifications.0pending=1 to enable this feature. When enabled you will be notified of pending transactions (were sent by the customer but not yet confirmed by the blockchain).ok.confirmations: optional parameter to set the number of blockchain confirmations needed before sending a confirmed callback.11confrimations=2curl --location '/crypto/erc20/usdc/affiliate.php?address=0xF977814e90dA44bFA03b6295A0616a897441aceC&callback=https%3A%2F%2Fwww.example.com%2Fcallback.php%3Forder%3D194753847758384577%26nonce%3D59urofnv73idd9tng93h&affiliate=0x3c783c21a0383057D128bae431894a5C19F9Cf06&affiliate_fee=0.01&merchant_fee=0.98'{
"address_in": "0x663a064a182927d65f4F1EFB6357f4292a8Ad259",
"callback_url": "https://www.example.com/callback.php?order=194753847758384577&nonce=59urofnv73idd9tng93h",
"ipn_token": "ZEE2cW8zb1N0N2otZEc3eHh3MDNUU1lTMEExYmVvcDBYN1lJclp5T2ZCR2NTd1c4M3JPdkUtZDVtNl9CRkdKR3ZMQTVmd0hRZHZpNlRjX0FabThGRjBINzNuYnVfN0ZYa19FODFicmhpSWJRUm52SGo1QUE3Zw%3D%3D"
}