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How are the routes represented in the REST API?
Routes in the REST API are represented by URIs. The route itself is what is tacked onto the end of https://ourawesomesite.com/wp-json. The index route for the API is ‘/’ which is why https://ourawesomesite.com/wp-json/ returns all of the available information for the API.
How to expose your web services with a REST API?
REST APIs are accessible through HTTP, therefore, it is necessary to identify the URIs and the respective methods where the resources they expose can be accessed. These URIs are essentially paths, and can be contextual, like for example listing all the requisitions of a particular book: /books/523523435/requisitions
Which is the first argument in Register _ rest _ route?
The first argument passed into register_rest_route () is the namespace, which provides us a way to group our routes. The second argument passed in is the resource path, or resource base. For our example, the resource we are retrieving is the “Hello World, this is the WordPress REST API” phrase.
How to register a route in WordPress REST API?
To register routes you should use the register_rest_route() function. It needs to be called on the rest_api_init action hook. register_rest_route() handles all of the mapping for routes to endpoints. Let’s try to create a “Hello World, this is the WordPress REST API” route.
Which is easier to use rest or JSON?
Update 2015: I have found REST easier to develop and use for an API which is served on Web/HTTP, because the existing and mature HTTP protocol which is understood by both client and server can be leveraged by the API.
How to maintain backwards compatibility of REST API endpoints?
If you are writing a plugin, you can maintain backwards compatibility of your REST API endpoints by simply creating new endpoints and bumping up the version number you provide. This way both the original v1 and v2 endpoints can be accessed. The part of the route that follows the namespace is the resource path.