POST
/v2/payment/bank/previewPreview - Send Bank Payment
Validates the same request body as Send Bank Payment without executing the transfer. Returns fees and a transaction preview, or validation errors.
Headers
| Field | Type | Required | Possible values | Description |
|---|---|---|---|---|
Authorization | string | Required | Bearer {SessionToken} | Session token from Get Session Token, sent as `Authorization: Bearer {SessionToken}`. Replace with the value from the `x-refresh-token` response header when present (typically within 2 minutes of expiry). Secured calls must use the same IP as the auth request. |
Request body
| Field | Type | Required | Possible values | Description |
|---|---|---|---|---|
BeneficiaryPaymentInstrumentID | string | Required | {paymentInstrumentID} | Payment instrument ID linked to the beneficiary (from List or Create Payment Instrument). |
Purpose | string | Required | Asset_Purchase | Contract_Payment | Other | Education_Payment | Payroll | dividends | Mortgage_Payments | Materials_Purchase | Loan_Payments | Professional_Service_Payments | Invoice_Payment | Investment_Purchase | Savings | Rent_Utility_Payments | reimbursements | Tax_Payments | Personal_Family_Payment | settlement_trade | treasury_movement | gift_donation | remittance | Regulatory purpose code for the payment. Must be one of the allowed values. |
Currency | string | Required | USD | BTC | ETH | USDC | USDT | BNB | MATIC | DOGE | ADA | DOT | Transaction currency (e.g. USD, BTC, ETH, USDC, USDT, BNB, MATIC, DOGE, ADA, DOT). |
Amount | string | Required | 1.00 | 2.00 | 3.00 | 4.00 | 5.00 | ... N | Payment amount in the specified currency, as a decimal string (e.g. `1.00`). |
CryptoBuySellActivity | string | Required | Yes | No | Whether the transaction involves buying or selling cryptocurrency: `Yes` or `No`. |
SupportingDocument | string | Required | {fileID} | File ID from Upload File (`customField`: Payment_Invoice) for invoice or supporting documentation. |
DocumentReferenceNumber | string | Required | 13214654987 | Reference number for the supporting document (e.g. passport or driver license number). |
Intermediary_ABA | string | Required | 026001591 | Intermediary bank ABA routing number, when required for the payment route. |
Description | string | Required | Test API Payment | Short memo or narrative for the transaction (shown in history and details). |
Additional_Info | object | Optional | — | Optional extra payment metadata. When used, send inside the Fields array as field name `Additional_info` with an object value. |
Example request
{
"BeneficiaryPaymentInstrumentID": "{paymentInstrumentID}",
"Purpose": "Loan_Payments",
"Currency": "USD",
"Amount": "300",
"CryptoBuySellActivity": "No",
"SupportingDocument": "{fileID}",
"DocumentReferenceNumber": "1123123",
"Intermediary_ABA": "026001591",
"Description": "lorem ipsum dummy text"
}Response
| Field | Type | Possible values | Description |
|---|---|---|---|
ResponseCode | integer | 200 | 201 | 204 | 400 | 401 | 403 | 404 | 410 | 422 | 500 | 301 | 503 | 422 | API result code in the response envelope. Indicates success or the error category (e.g. 200 success, 400 bad request, 401 unauthorized). |
ResponseMessage | string | Success | Created | NoContent | BadRequest | Unauthorized | Forbidden | NotFound | Gone | UnprocessableContent | ServerError | ResourceMoved | ServiceUnAvailable | UnProcessableEntity | Human-readable label paired with ResponseCode (e.g. Success, BadRequest, Unauthorized). Use with ResponseCode to interpret the outcome. |
ResponseData | object | Please refer to below example for response body | Transaction preview including amount, currency, fees, from/to, and total. |
Example response
{
"ResponseCode": 200,
"ResponseMessage": "Success",
"ResponseData": {
"Amount": "1.00",
"Currency": "USD",
"Description": "Test API Payment",
"Fee": "75.00",
"From": "Rishav_Business - Rishav",
"To": "Earnest-TRF",
"Total": "76.00"
}
…Requires `Authorization: Bearer {SessionToken}` from Get Session Token. Refresh via `x-refresh-token` when supplied; use the same client IP as authentication.