🎇A REST API (also known as RESTful API) is an application programming interface (API or web API) that conforms to the constraints of REST architectural style and allows for interaction with RESTful web services.
🎇REST stands for representational state transfer and was created by computer scientist Roy Fielding
1-- Make a simple server of node Js and express🕶.
2-- Make Connection to the MongoDB(It's an example of Offline Mongo Db Database)🎆
3-- Actions in API 🔨
The action should be indicated by the HTTP request method that we’re making. The most common methods include GET, POST, PUT, and DELETE.
- GET retrieves resources.
- POST submits new data to the server.
- PUT updates existing data.
- DELETE removes data.
For Example - 
4-- Examples Of GET , POST , PUT , PUT , DELETE
Main HTTP Methods.
5-- Example Of URL
Top comments (1)
Great article and yeah the RESTful API is one of the most popular API architecture styles, which can help you separate client-side and server-side concerns, allowing the front and back ends to iterate separately.
You can also read a more detailed piece in this article