post https://api-sandbox.cv.gpsrv.com/intserv/4.0/cancelSimulatedAchTransaction
Use the Cancel Simulated Incoming ACH Transaction endpoint to cancel a simulated ACH transaction that you created with the Create Simulated Incoming ACH Transaction endpoint. Pass the ach_transaction_id that was returned in the response. You cannot cancel the transaction after it has been processed.
For instructions on using this endpoint, see Simulating Incoming ACH Transactions.
Warning
Do not use this endpoint in Production.
Status codes
See Global Response Statuses for status codes that are common across endpoints.