¶ API
Application Programming Interface (API) ,is a set of rules and protocols that allows different software applications to communicate with each other. It defines the methods and data formats that applications can use to request and exchange information
To clarify it more take the following example:
In web and mobile development, an API (Application Programming Interface) is like a menu at a restaurant. It lists the dishes you can order (functions and data) and how to order them (HTTP requests). When you, as a developer, want to use a service or feature provided by a website or server, you consult the menu (API) to understand what's available and how to ask for it, then the kitchen (server) prepares and serves your order (data or functionality). This way, your app can interact with other services or platforms over the internet.
Figure 1 : Represents an api example
¶ HTTP Verbs
HTTP verbs play a crucial role in RESTful web services and are the basis for how web applications interact with resources over the HTTP protocol
Here are the most popular HTTP verbs:
- GET : Used to retrieve data from a resource. It should not have any side effects on the server, meaning it should only retrieve data and not modify it
- POST : Used to submit data to be processed to a specified resource. It can create new resources or modify existing ones
- PUT/PATCH : Used to update a resource
- DELETE : Used to request the removal of a resource at a specified URL
**Figure 2 : Represents HTTP verbs example **
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