What is a post parameter?

Put as simply as possible a POST parameter is something passed with a POST request (which is when you are providing the server with info to be manipulated, an example would be a sign up form submission) that the server can access via a key and utilize in whatever way it seems fit.

What is the body of a post request?

Short answer: in POST requests, values are sent in the “body” of the request. With web-forms they are most likely sent with a media type of application/x-www-form-urlencoded or multipart/form-data .

how data is sent in post method? In POST method the data is sent to the server as a package in a separate communication with the processing script. Data sent through POST method will not be visible in the URL. The query string (name/weight) is sent in the HTTP message body of a POST request.

can a post have query parameters?

Note 1: HTTP specification (1.1) does not state that query parameters and content are mutually exclusive for a HTTP server that accepts POST or PUT requests. So any server is free to accept both. RFC 3986 defines HTTP query strings as an URI part that works as a non-hierarchical way of locating a resource.

How does a POST request work?

In computing, POST is a request method supported by HTTP used by the World Wide Web. By design, the POST request method requests that a web server accepts the data enclosed in the body of the request message, most likely for storing it. It is often used when uploading a file or when submitting a completed web form.

Can a post return data?

Does the RESTlet framework allow returning data in a POST? Yes, even though it returns void, in a class which extends Resource, you have full access to the Response object object via the getResponse() method. So you can call getResponse(). setEntity() with whatever data you want.

Does a Post request need a body?

It is not required. You can send a POST/PUT request without a body and instead use query string parameters. But be careful if your parameters contain characters that are not HTTP valid you will have to encode them.

Can post be used to retrieve data?

GET and POST have semantic meaning – GET is used to retrieve a resource and POST is used to modify it. It’s safe to cache a GET request, but not a POST command – so that’s what caching proxies do. It’s safe to GET a resource multiple times, so you have link pre fetchers that do just that.

What is the difference between GET and POST?

Both GET and POST method is used to transfer data from client to server in HTTP protocol but Main difference between POST and GET method is that GET carries request parameter appended in URL string while POST carries request parameter in message body which makes it more secure way of transferring data from client to

What is the difference between $_ POST and $_ request in PHP?

POST: It can catch the data which is sent using POST method. GET: It can catch the data which is sent using GET method. REQUEST: It can catch the data which is sent using both POST & GET methods.

What are the HTTP request methods?

The GET Method GET is used to request data from a specified resource. GET is one of the most common HTTP methods. POST is used to send data to a server to create/update a resource. POST is one of the most common HTTP methods. PUT is used to send data to a server to create/update a resource.

What is @PathParam?

@PathParam is a parameter annotation which allows you to map variable URI path fragments into your method call. The parameter type you inject into can be any primitive type, a String, or any Java object that has a constructor that takes a String parameter, or a static valueOf method that takes a String as a parameter.

What is the difference between @RequestParam and @requestbody?

Both the the annotations have the significant purpose and use respectively. The key difference between @RequestParam and @PathVariable is that @RequestParam used for accessing the values of the query parameters where as @PathVariable used for accessing the values from the URI template.


A Path is a unit of a REST API that you can call. A Path comprises an HTTP verb and a URL path that, when exposed, is combined with the base path of the API. By configuring the Path, you define how the API is exposed to your developers.

What is the difference between PathParam and QueryParam?

@QueryParam is used to access key/value pairs in the query string of the URL (the part after the ?). @PathParam is used to match a part of the URL as a parameter. For example in an url of the form http://example.com/books/{bookid} , you can use @PathParam(“bookid”) to get the id of a book.