The BaaS was conceptualized by Auth0 and Google Firebase. Auth0 started as authentication as a service, but moved to FaaS. So basically, BaaS is third-party service through which we can implement our required functionality, and it will provide server-side logic for the implementation of the application.
The common approach is that most web and mobile application developers code their own authentication functionality, such as login, registration, and password management, and each of these services has its own API, which has to be incorporated into the application. But this was complicated and time consuming for developers, and BaaS providers made it easy by having a unified API and SDK and bridging them with the frontend ...
