post
https://pay.fiuu.com/RMS/API/VoidPendingCash/index.php
For merchants to cancel and void the cash payment request order, before getting paid or the expiry time, and force-to-expired.
For merchants to cancel and void the cash payment request order, before getting paid or the expiry time, and force-to-expired.
Try It! to start a request and see the response here!