PUT Method

What is the PUT method?

The HTTP PUT method will update an existing resource or create a new resource on the server, depending on the request payload.

PUT is idempotent.: This means that an outcome will remain the same even if it’s called several times successively. For instance, calling the POST several times with the same request data may create a new resource each time, therefore, it is not idempotent.

Now, let’s understand more what this means with the example below.

1. Let’s make a GET request for the given URL and fetch an existing record

   curl -X GET  https://jsonplaceholder.typicode.com/posts/1
   

2. Update this record’s title using PUT request

   curl -X PUT -d '{"title":"This is an updated post"}'  https://jsonplaceholder.typicode.com/posts/1
   

• In the PUT request above, ( -X is for HTTP Method and -d for --data). The data is passed in the form of a JSON string