What is model binding in Web API?

Updated Apr 28, 2026

Short answer

Model binding maps request data to action parameters.

Deep explanation

It automatically binds data from request body, query, or route to method parameters.

Real-world example

Submitting JSON data in POST request.

Common mistakes

  • Incorrect parameter mapping.

Follow-up questions

  • What is FromBody?
  • Why binding?

More ASP.NET Web API interview questions

View all →