Saturday 28 October 2023

Http methods in api

Http methods in api 

HTTP methods are used in APIs to specify the action that the client wants to perform on a resource. The most common HTTP methods are:

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·         GET: Retrieve a representation of a resource.

·         POST: Create a new resource.

·         PUT: Update an existing resource.

·         PATCH: Update a specific part of an existing resource.

·         DELETE: Delete a resource.

Other HTTP methods that are commonly used in APIs include:

·         OPTIONS: Get information about the communication options for a resource.

·         HEAD: Get the same headers as a GET request, but without the response body.

·         TRACE: Return the request message as received by the server.

·         CONNECT: Establish a tunnel to the server.

The specific HTTP methods that are supported by an API will vary depending on the API. However, the most common HTTP methods are typically supported by all APIs.

Here are some examples of how HTTP methods can be used in APIs:

·         GET /users

·         POST /users

·         PUT /users/123

·         PATCH /users/123

·         DELETE /users/123

These requests would retrieve a list of all users, create a new user, update the user with the ID 123, update a specific part of the user with the ID 123, and delete the user with the ID 123, respectively.

HTTP methods are an essential part of APIs. They allow clients to specify the action that they want to perform on a resource. This makes it easy for clients to interact with APIs and to perform the tasks that they need to perform.

Here are some additional notes about HTTP methods in APIs:

·         GET requests are idempotent, meaning that they can be repeated without changing the state of the resource. PUT, POST, and DELETE requests are not idempotent.

·         GET requests should be used to retrieve data, while PUT, POST, and DELETE requests should be used to modify data.

·         GET requests should be cached, meaning that the client can store the response and use it again without having to send the request to the server again. PUT, POST, and DELETE requests should not be cached.


HTTP methods are a powerful tool for developing and interacting with APIs. By understanding how to use HTTP methods effectively, you can write more efficient and reliable code.


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