How do I create a free REST API?

Below are 9 free and easy to use API development and testing tools to build your API.

A RESTful API is an architectural style for an application program interface (API) that uses HTTP requests to access and use data . That data can be used to GET, PUT, POST and DELETE data types, which refers to the reading, updating, creating and deleting of operations concerning resources.

Here are some essential rules for ensuring security during the backend development: