What are the difference between Get and Post method?

The difference between the GET and POST methods is as follows:

1. Purpose:

   • GET: The GET method is used to retrieve data from a server. It is primarily used for reading or fetching information.
   • POST: The POST method is used to send data to a server to create or update a resource. It is primarily used for submitting data or making changes.

2. Data Handling:

   • GET: The data sent using the GET method is appended to the URL as query parameters. This means that the data is visible in the URL and can be bookmarked or cached. The data limit is also restricted, typically around 2048 characters.
   • POST: The data sent using the POST method is included in the body of the HTTP request. This means that the data is not visible in the URL and cannot be bookmarked or cached. The data limit is much higher compared to GET.

3. Security:

   • GET: The data sent using the GET method is less secure as it is visible in the URL. It is not recommended to send sensitive information using GET.
   • POST: The data sent using the POST method is more secure as it is included in the body of the request. It is suitable for sending sensitive information like passwords or credit card details.

4. Caching:

   • GET: The data sent using the GET method can be cached by the browser or proxy servers. This allows for faster retrieval of the same data in the future.
   • POST: The data sent using the POST method is not cached by default. Each request is treated as a new request, and the response is not stored for future use.

5. Idempotence:

   • GET: The GET method is considered idempotent, meaning that multiple identical requests will have the same effect as a single request. It does not modify any data on the server.
   • POST: The POST method is not idempotent, meaning that multiple identical requests may have different effects. It can modify data on the server with each request.

In summary, the GET method is used for retrieving data, while the POST method is used for sending data to create or update resources. GET sends data in the URL, while POST sends data in the request body. GET is less secure and can be cached, while POST is more secure and not cached by default. GET is idempotent, while POST is not.