REST Client

A REST Client is a software tool or library used to interact with RESTful APIs by sending HTTP requests (e.g., GET, POST, PUT, DELETE) and receiving responses. It allows developers to test, debug, and explore API endpoints without writing custom code, often providing features like request building, authentication handling, and response visualization. Common examples include standalone applications, browser extensions, and integrated tools in development environments.

Also known as: API Client, HTTP Client, Postman, Insomnia, cURL

Why learn REST Client?

Developers should learn and use a REST Client when building, testing, or integrating with web APIs, as it streamlines the process of verifying endpoints, debugging issues, and understanding API behavior. It is essential for tasks like API development, quality assurance, and documentation, as it provides a quick way to simulate client interactions and inspect responses in real-time.

Learning Resources

• docs: Postman Learning Center
• docs: Insomnia Documentation
• video: REST API Testing with Postman - Full Course
• docs: MDN Web Docs: HTTP
• tutorial: FreeCodeCamp: APIs for Beginners