A web service is a means of communication between different applications connected to a network, relying on the use of standardized protocols such as HTTP and XML-RPC, REST, JSON-RPC, and SOAP. Its role is to facilitate the exchange and manipulation of data between these applications, whether proprietary or third-party, within an existing system.

To integrate web services into a content management system (CMS), it is necessary to install and activate the module corresponding to the chosen protocol, configure the module’s options, define an access point for the web service, and then test its proper functioning. It is also possible to opt for external solutions like Zapier, which allow you to connect different applications and automate processes.

For example, the WP REST API Controller is a tool specifically designed for WordPress, offering a user-friendly interface for managing web services and facilitating the integration of external applications within this content management platform.