I am setting up an online payment system with evesis (BillMap). I have integrated their API and the customer gets to order. The API accepts the sending and the customer receives on his mobile a notification for payment. The customer pays and the transaction is validated.
Until then I have no problem.
Only, to confirm the BillMap, I have to send an IPN URLtest to BillMap and when I put:
he refuses, he wants me to put parameters. Which brings me back to page 404:
BillMap asks me to send by JSON the answer so that I am validated. That's where I'm stuck.