WordPress is often treated as a traditional CMS, but its REST API makes it possible to use WordPress as the backend for applications, dashboards, mobile clients, automation systems, and external services. The difficult part isn't registering an endpoint. The difficult part is designing the endp...
Source: [Dev.to](https://dev.to/kai01916/building-a-custom-rest-api-in-wordpress-the-right-way-164m)