Is their any API related to a paid servise by the registered user so the user pay for the servise to be avaiable to him and how to renew it on monthly basis
There are no such services in Backendless. You should implement them on your own with the provider you choose.
Thanks Serge for the help
But actually I didn’t understand what do you mean by provider
I mean you could either use Google Play Services, Apple’s In-App Purchases, or maybe a third-party payment service provider like Braintree, Chargify etc.