Commission token formation

The method allows you to get a commission token for cross-chain exchange

Commission token formation

post

Header parameters

x-api-public-keystringOptional

Public API-key

x-api-signaturestringOptional

Signing the request body with a private API-key

Content-typestringOptional

Request content type

Example: application/json

Body

application/json

currencyFromstringRequired

Outgoing coin

Example: USDT

currencyTostringRequired

Expected coin

Example: USDC

networkFromstringRequired

Outgoing network

Example: ethereum

networkTostringRequired

Expected Network

Example: tron

amountstringRequired

Exchange amount

Example: 200

Responses

200Success

application/json

post

/api-gateway/swaps/fee-token

HTTPcURLJavaScriptPython

POST /api-gateway/swaps/fee-token HTTP/1.1
Host: ocp.onchainpay.io
Content-Type: application/json
Accept: */*
Content-Length: 102

{
  "currencyFrom": "USDT",
  "currencyTo": "USDC",
  "networkFrom": "ethereum",
  "networkTo": "tron",
  "amount": "200"
}

200Success

{
  "success": true,
  "response": {
    "amountFrom": "200",
    "amountTo": "200",
    "serviceBlockchainFeeSource": "ADVANCE",
    "serviceBlockchainFee": "2",
    "serviceBlockchainFeeUSD": "2",
    "providerBlockchainFeeSource": "AMOUNT",
    "providerBlockchainFee": "2",
    "providerBlockchainFeeUSD": "2",
    "serviceFeeSource": "ADVANCE",
    "serviceFee": "2",
    "serviceFeeUSD": "2",
    "price": "1",
    "token": "U2FsdGVkX18uAAWGbqwI/SqEoCCY09g2erW3YqYwVYyChxcv8hxBTHcvnNmpEBXodzW4r5xnmYFIT2/I3FnIoZPdXhcaU3RjUxREz4EidY1BASgOX458DKmnGLYNt+ZT/XxUt1vJpSzGwg6YNQ7UPAOcjr6aGNRUO7eJE/rD6J1VPJuAheqhj/yEgJ1p9cZQfqAep9bGq3ED/oqDsouKag==",
    "expiresAt": "2025-07-15T10:51:46.082Z"
  }
}