WHMCS Billing System not receiving callbacks from Nowpayments Payment Gateway

Job ID: 34411638

Budget: $25 – $50 USD

Hello,

We are running WHMCS v8.5.1 and our system is not receiving callbacks from the Nowpayments API to update the invoice status in our system.

THIS PROJECT IS MARKED URGENT!

Thank you!
Todd
Related categories: PHP Software Architecture MySQL HTML WHMCS