Dear Listers.

I am attempting to register a URL with safaricom mpesa callback paybill payment system.

I am following this article

https://www.tekfansworld.com/how-to-develop-mpesa-integration-to-website-using-c2b-api.html

and https://developer.safaricom.co.ke/docs

However I am getting this error message

Inline image 1

Any tips or help will be appreciated.

Kind Regards

Peter Muchemi