What is REST API ?

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🔍 What You'll Learn:


1. Web Application Design Principles: Emphasizes the importance of platform independence and service evolution in web application design. This means the design should allow clients to interact with APIs regardless of the programming language or operating system used in the backend.

2. Restful API and Communication Protocols: Discusses the implementation of REST (Representational State Transfer) as a guideline for creating APIs. REST is independent of the network protocol (like TCP, HTTP) and focuses on the communication between client and server using standard protocols to facilitate seamless interaction.

3. API Layer and Resource Management: Highlights the role of APIs in abstracting the functionality of applications, like a mutual fund calculator, and how they interact with different elements (resources) within an application. The discussion includes how RESTful APIs use URLs to uniquely identify resources and adhere to certain conventions like using JSON for data exchange.

4. REST API Conventions and Statelessness: Covers the recommendations and conventions for RESTful API development, such as statelessness, where each request from the client contains all the information needed for the server to fulfill that request, without relying on a stored state.

5. REST API Error Handling and Versioning: Explains the use of HTTP status codes for error handling in RESTful APIs and the importance of API versioning for maintaining compatibility and evolution of the API over time. This includes using different URL paths or query parameters to access different versions of the API.

📚 Who Should Watch:
Aspiring web developers
JavaScript enthusiasts
Anyone looking to expand their programming skills

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💬 Got Questions?
Drop your queries in the comments.

0:00 What are the important things to keep in mind while defining web apps ?
12:41 What is REST ?
18:52 What is REST API ?
25:40 What are the REST conventions ?
25:47 What is resource in REST ?
35:42 What is the use of http-methods in REST Api ?
39:50 What is the meaning of stateless in REST ?
43:00 What is HATEOAS ?
51:51 What is http status codes ? What is the use of http status codes in REST Api ?
53:00 What is 400 Bad request ?
53:40 What is 401 Unauthorised ?
54:04 What is 500 Internal server error ?
58:00 What is content-type header ?
59:18 What is CRUD Api ?
59:52 A sample REST Api signature ?

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