HTTP Methods GET vs POST

HTTP Request Methods

What is HTTP?
The Hypertext Transfer Protocol (HTTP) is designed to enable communications between clients and servers. HTTP works as a request-response protocol between a client and a server. Example: A client (browser) sends an HTTP request to the server; then the server returns a response to the client. The response contains status information about the request and may also contain the requested content.

The two most common HTTP methods are: GET and POST.

The GET Method is used to request data from a specified resource. Note that the query string (name/value pairs) is sent in the URL of a GET request:


Some notes on GET requests:

• GET requests can be cached
• GET requests remain in the browser history
• GET requests can be bookmarked
• GET requests should never be used when dealing with sensitive data
• GET requests have length restrictions
• GET requests are only used to request data (not modify)

The POST Method is used to send data to a server to create/update a resource. The data sent to the server with POST is stored in the request body of the HTTP request:


Some notes on POST requests:

• POST requests are never cached
• POST requests do not remain in the browser history
• POST requests cannot be bookmarked
• POST requests have no restrictions on data length

GET vs. POST

The following table compares the two HTTP methods: GET and POST.
 
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