What is the return type of REST API?

What is the return type of REST API?

As we have already discussed that same REST API can return both XML or JSON as response message, depending upon the Media-Type attribute in the HTTP request. There is a Content Type attribute in the headers which informs about the type of response body format.

Can an API return a file?

Return a File in ASP.NET Core Web API In ASP.NET Core, a Web API action method usually returns an ActionResult object. When we want to return a file response, we can explicitly set the return type for the action method to be FileResult , which is a type inherited from ActionResult .

What should a put method return?

you should always return a new copy of the record after PUT (to get the new RowVersion).

Should a put return data?

The proper status code is returned when creating and updating a resource (eg, 201 or 200 / 204 ). After updating a resource with a PUT request, a GET request for that resource should return the correct data. PUT requests should fail if invalid data is supplied in the request — nothing should be updated.

How do I find the Web API server path?

Map File Path in Web API To get the physical file path in a Web API, you need to use HostingEnvironment. MapPath() method. var sPath = System. Web.

What kind of response does the REST API return?

The above response is not the complete response its just the response body. An HTTP response contains the status line, headers and the message/response body. As we have already discussed that same REST API can return both XML or JSON as response message, depending upon the Media-Type attribute in the HTTP request.

Should I be returning the object that…?

Server to server APIs might think differently about this. I am focusing on APIs that drive a user experience. Referencing to the link RFC standards, you should return 201 (created) status on successfully storing the request resource using Post.

Do you have to return something in web API?

The Web API action method can have following return types. It’s not necessary that all action methods must return something. It can have void return type. For example, consider the following Delete action method that just deletes the student from the data source and returns nothing.

How to return different types of responseentity in Java?

Each exception handler method will be configured to handle one or more exception types. These methods are where you specify the response type for errors For your example, you would declare (in the controller advice class) an exception handler method for the validation error. The return type would be ResponseEntity