Creating a cross-chain translation

The method allows you to create a cross-chain transfer. Cross-chain transfer allows you to transfer your assets from one network to another

Creating a cross-chain translation

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

The body of the request to create a cross-chain transfer

advancedBalanceIdstringRequired

Identifier of the advance balance specified when creating the commission token

Example: 2db11a99-a1cb-44f1-ba3b-ee41d80f53be

clientIdstringOptional

Unique transaction identifier in the merchant system, to prevent duplication of creation

Example: merchant_unique_id

addressFromIdstringRequired

Identifier of the outgoing address in the system, in the specified coin and network when creating the commission token. The specified amount will be debited from this address

Example: e5b79674-72aa-46c5-9bc0-6c71176bbd61

addressToIdstringRequired

Identifier of the destination address in the system where the coins should be delivered

Example: 17a978fb-0e6b-4a57-ac83-dcacf5a4ff9b

feeTokenstringRequired

Commission Token

Example: U2FsdGVkX19VBjuJj+0bjRoydYrxabN4X5xkeeaKxzft8nUu7oyB8iFAj90DgTE29d/QG0fNxP86o3q1iiKlOf5plber+H8in+bXIRZX75fup2MU/qpYhV7zYgUF9CJLoMt6aJ1kjylhFnRMbR7Ge1G6zgMev5FcZ/Y+HQtlQVovP5cN2P7l8UDrnjAJ7/z4B56ARTbY0k6Nc0wTZu87SvQEkkfp/DcP5vSL1sN19r4=

webhookUrlstringOptional

URL address for operation status notification

Example: https://merchant.domain/webhooks/bridge

Responses

200Success

application/json

post

HTTPcURLJavaScriptPython

POST /api-gateway/bridge/create HTTP/1.1
Host: ocp.onchainpay.io
Content-Type: application/json
Accept: */*
Content-Length: 505

{
  "advancedBalanceId": "2db11a99-a1cb-44f1-ba3b-ee41d80f53be",
  "clientId": "merchant_unique_id",
  "addressFromId": "e5b79674-72aa-46c5-9bc0-6c71176bbd61",
  "addressToId": "17a978fb-0e6b-4a57-ac83-dcacf5a4ff9b",
  "feeToken": "U2FsdGVkX19VBjuJj+0bjRoydYrxabN4X5xkeeaKxzft8nUu7oyB8iFAj90DgTE29d/QG0fNxP86o3q1iiKlOf5plber+H8in+bXIRZX75fup2MU/qpYhV7zYgUF9CJLoMt6aJ1kjylhFnRMbR7Ge1G6zgMev5FcZ/Y+HQtlQVovP5cN2P7l8UDrnjAJ7/z4B56ARTbY0k6Nc0wTZu87SvQEkkfp/DcP5vSL1sN19r4=",
  "webhookUrl": "https://merchant.domain/webhooks/bridge"
}

200Success

{
  "success": true,
  "response": {
    "id": "1480304c-200b-46e5-a6b4-15264fb7f8f6",
    "clientId": "merchant_unique_id",
    "advancedBalanceId": "2db11a99-a1cb-44f1-ba3b-ee41d80f53be",
    "currency": "USDT",
    "networkFrom": "ethereum",
    "networkTo": "tron",
    "status": "PENDING",
    "rejectMessage": null,
    "amount": "200",
    "amountUSD": "200",
    "blockchainFee": "2",
    "blockchainFeeUSD": "2.12",
    "serviceFeeUSD": "0.50",
    "webhookUrl": "https://merchant.domain/webhooks/bridge",
    "createdAt": "2025-05-14T13:39:50.468Z"
  }
}