Request Method :: POST

Description: The Void API is used to cancel an authorized transaction before it is captured orsettled.

Headers

requestTimestamp : 123432553255

transactionid: 100170

merchantId:1234

orderId:100156
clientId:  To be shared during integration by ISU Team
hmacSecret::  To be shared during integration by ISU Team
Content-Type: application/json

Header Parameters

Parameters Max Length Data types Mandatory/Optional Parameter Description
requestTimestamp 13 String Mandatory Epoch timestamp in milliseconds
transactionid 20 String Mandatory Unique Transaction ID
merchantId 15 String Mandatory Merchant identifier
orderId 20 String Mandatory Order Reference ID
clientId 64 String Mandatory Client authentication key
hmacSecret 64 String Mandatory HMAC Signature key
Content-Type - String Mandatory Must be application/json

Request Body Parameters

Parameters Max Length Data types Mandatory/Optional/conditional Parameter Description with samples
apiOperation 10 String Mandatory Must be PURCHASE
pTxnId 20 String Mandatory Original payment transaction ID.E.g.-111110009323
amount - Object Optional Amount to refund(partial/full).E.g.-100

Sample Request Body

Response Body Parameters

Parameters Data Type Parameter description
processingDateTime String Date and time of operation
apiOperation String Confirms operation("void")
status String Transaction status
merchantId String Merchant identifier
pTxnId String Original transaction ID voided
rrn String New RRN for voided record
stan String New STAN for voided record

Sample Response Body