post https://restpilot.paylink.sa/api/addInvoice
Enable the merchant to add a new invoice and receive the payment URL.
NOTE: This operation must be performed on the server-side. Then send the result payment URL to the client-side.
For test card please visit: https://developer.paylink.sa/test-cards
Sending Digital Product
To use the "Sending Digital Product" feature. First, create a new invoice and set any product of the invoice as a digital product by selecting the "isDigital" attribute to "true."