![]() It’s used extensively by, whose JavaScript-based interface uses the REST API to interface with the WordPress database. It’s designed to support a range of applications built on WordPress and to transform WordPress from a content management system to an application platform. The WordPress REST API was released as part of core in version 4.7 in December 2016, but it was around as a plugin before then. The WordPress REST API was developed in response to changes in the way websites and apps are developed and a need to open up WordPress more widely. There are a number of implications and uses for this, though. It means that a third-party website or a mobile app, for example, can access your WordPress database, fetch data from it, and add data to it. Putting REST and API together means that the WordPress REST API is a set of code designed to make it possible for other systems to interface with WordPress and that it’s built in a way that ensures these systems will understand each other. ![]() The server can’t tell if the final client is directly connected to it.Īll of these constraints relate to web pages and applications and govern the way an application can interface with the API. A RESTful system lets you use multiple layers to access it, storing data in intermediate servers if it needs to. Caching can be implemented on the server or client-side. All resources must be cacheable, to improve speed and conformance to web standards. It doesn’t store the requests that have been made. The server doesn’t change state when a new request is made using the API. WordPress) changes, the server-side application (an app, for example) must still be able to access it via the same simple method. Client applications and server applications must be separate, so they can be developed independently of each other. The URLs used to access resources in the system have to be uniform, consistent, and accessible via a common approach such as GET (more of which shortly). Without REST, two systems wouldn’t be able to understand each other and so send data back and forth.įor an application to be RESTful, it must conform to five principles: Representational State Transfer, or REST, provides standards that web systems can use to interface with each other. What is Representational State Transfer (REST)? The difference with the REST API is that it allows systems outside your WordPress installation itself to interact with WordPress, which is where the REST part comes in. These can be used by plugin and theme developers to interact with WordPress core and make things happen (like creating shortcodes and adding settings screens to the WordPress admin). WordPress already has multiple APIs, for things like plugins, settings, and shortcodes. These systems don’t need to be completely separate. Uncover performance bottlenecks to deliver a better user experience and hit your business’s revenue goals.
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