Upendra 
PUT vs POST
PUT - It is used to send data to a server to create/update a resource.
Example:
http://www.google.com/users/234
PUT /new.html HTTP/1.1
Host: example.com
Content-type: text/html
Content-length: 20
<p>New File</p>
Feature:
- Cannot be bookmarked
- Should only be used for update the data
- Never cached
- Do not retain in the browser history
POST - It submits the processed data to a specified resource Example:
https://api.themoviedb.org/3/movie/1/rating
RequestBody
{
"value": 8.5
}
Feature:
- Cannot be bookmarked
- Have no restrictions on length of data
- Never cached
- Do not retain in the browser history
| PUT | POST |
|---|---|
| Is idempotent | Is not idempotent |
| If you send the same request multiple times, the result will remain the same | If you send the same POST request more than one time, you will receive different results |
| Mostly used for UPDATE query | Mainly use for create query |
Links
https://www.keycdn.com/support/put-vs-post
https://restfulapi.net/rest-put-vs-post/
https://www.guru99.com/put-vs-post.html
https://developers.themoviedb.org/3/movies