If you use Chainalysis as your crypto transactions analytics provider, there are a few options of the expected payloads to be made for BYOK integration to work effectively.

Monitor the following via Chainalysis:

Pre-check withdrawal attempts
Check the completed transactions in both directions in and out

Below you will find the samples of the Chainalysis crypto transactions processing along with the required fields. When initiating processing, submit the main transaction monitoring fields and those ones that specified in the withdrawal/transfer examples.

Withdrawals

The following is an example of a withdrawal (out) transaction. For such transactions, the following fields are required:

info.type
counterparty.paymentMethod.accountId

{
  "txnId": "bgi47c04whc43ra2skg8bv",
  "applicant": {
    "externalUserId": "dash-aa5510c1-4ed4-4015-bc3c-4d916220cbaa",
    "fullName": "John Smit",
    "type": "individual",
    "paymentMethod": {
      "type": "crypto"
    }
  },
  "counterparty": {
    "externalUserId": "peanbpa9x4bgptzkrzr3qt",
    "fullName": "Jack Posek",
    "type": "individual",
    "paymentMethod": {
      "type": "crypto",
      "accountId": "1EM4e8eu2S2RQrbS8C6aYnunWpkAwQ8GtG"
    }
  },
  "type": "finance",
  "info": {
    "type": "withdrawal",
    "direction": "out",
    "amount": 2,
    "currencyCode": "BTC",
    "currencyType": "crypto",
    "amountInDefaultCurrency": 95238.09523809524,
    "defaultCurrencyCode": "EUR",
    "paymentDetails": "Birthday Present"
  }
}

Transfers

The following is an example of a transfer (in) transaction. For such transactions, the following fields are required:

applicant.paymentMethod.accountId
info.paymentTxnId
info.currencyCode
info.cryptoChain (not presented in this sample)

{
  "txnId": "7hjyiypvs89ewbcv9p0ojj",
  "applicant": {
    "externalUserId": "dash-aa5510c1-4ed4-4015-bc3c-4d916220cbaa",
    "fullName": "John Smit",
    "type": "individual",
    "paymentMethod": {
      "type": "crypto",
      "accountId": "0x5cc17d0fa620FE99dAEAa87365C63b453BC47664"
    }
  },
  "counterparty": {
    "externalUserId": "peanbpa9x4bgptzkrzr3qt",
    "fullName": "Jack Posek",
    "type": "individual",
    "paymentMethod": {
      "type": "crypto"
    }
  },
  "type": "finance",
  "info": {
    "paymentTxnId": "0xdd6364536f5f05cc1ea75709b676e2b1b37fad2792d3a71fb537db13100fc6b8",
    "direction": "in",
    "amount": 2,
    "currencyCode": "ETH",
    "currencyType": "crypto",
    "amountInDefaultCurrency": 5720.823798627002,
    "defaultCurrencyCode": "EUR",
    "paymentDetails": "Birthday Present"
  }
}