Get a swap

Return the current state of a swap by its ID. Poll this endpoint to track progress, or rely on Callbacks to be notified of status changes.

Endpoint GET /2.0/swap/get

Query parameters

Parameter	Type	Required	Description
id	string	yes	UUID of the swap to retrieve.

cURL

curl "/2.0/swap/get?id={swap-uuid}" \
  -H "apiKey: <yourApiKey>"

Response (200 OK)

{
  "id": "{swap-uuid}",                                   // Swap ID
  "amountFrom": "100000000",                             // Source amount in base units
  "amountFromInUsd": "100.00",                           // Source amount in USD (or null)
  "amountTo": "99500000",                                // Received amount in base units (null until finished)
  "amountToInUsd": "99.50",                              // Received amount in USD (or null)
  "assetIdFrom": "{assetIdFrom}",                        // Source merchant asset ID
  "assetIdTo": "{assetIdTo}",                            // Target merchant asset ID
  "cryptoIdFrom": "{cryptoIdFrom}",                      // Source cryptocurrency ID
  "cryptoIdTo": "{cryptoIdTo}",                          // Target cryptocurrency ID
  "hashFrom": "0x6d2f...e91a",                           // Source transaction hash (or null)
  "hashTo": "0x9a1c...7b30",                             // Target transaction hash (or null)
  "status": "finished",                                  // new | in_progress | finished | rejected
  "fee": {                                               // See API Reference Docs
    "network": [
      {
        "amount": "2650000000000000",
        "amountFormatted": "0.00265",
        "currency": "BNB",
        "cryptoId": "{cryptoId}",
        "networkId": "{networkId}",
        "amountInUsd": null,
        "isChargedToMerchant": false
      }
    ],
    "service": {
      "amount": "1000000000000000000",
      "amountFormatted": "1",
      "currency": "USDT",
      "cryptoId": "{cryptoId}",
      "networkId": "{networkId}",
      "amountInUsd": "1.00",
      "isChargedToMerchant": true
    },
    "exchange": null,
    "totalInUsd": "1.00"
  }
  "createdAt": "2025-03-11T14:30:16+00:00"               // RFC3339, UTC+0
}

See Swaps → Swap statuses for the full status lifecycle.

Errors

• 404 Not Found — no swap with this ID belongs to your merchant (the response body is empty).

• 403 Forbidden / 400 Bad Request / 500 Internal Server Error — see Error format.