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GET

The GET method is one of the most commonly used HTTP methods. It is used to request data from a specified resource. Requests using GET should only retrieve data and have no other effect on the resource.

Basic Syntax

GET /path/to/resource HTTP/1.1 Host: example.com

Key Characteristics

  • Safe: GET requests do not alter the state of the server.

  • Idempotent: Multiple identical GET requests should have the same effect as a single request.

  • Cacheable: Responses to GET requests can be cached by the client and intermediate proxies.

Parameters

  • Query Parameters: GET requests can include query parameters to filter or modify the request.

    GET /users?name=John HTTP/1.1 Host: example.com

Examples

  1. Basic GET Request

    GET /users HTTP/1.1 Host: example.com

    This request retrieves a list of users from the server.

  2. GET Request with Query Parameters

    GET /users?name=John&age=30 HTTP/1.1 Host: example.com

    This request retrieves users named John who are 30 years old.

  3. GET Request with Headers

    GET /users HTTP/1.1 Host: example.com Accept: application/json

    This request retrieves a list of users and specifies that the client expects a JSON response.

Conclusion

The GET method is essential for retrieving data from a server. Understanding its characteristics and how to use query parameters and headers allows you to effectively request and filter data from web APIs.

Last modified: 05 December 2024
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