The GET method requests a representation of the specified resource. Requests using GET should only retrieve data.
Eg: GET /index.html HTTP/1.1
The POST method is used to submit an entity to the specified resource, often causing a change in state or side effects on the server.
Eg: POST /index.html HTTP/1.1
The DELETE method deletes the specified resource.
Eg: DELETE /index.html HTTP/1.1