What is routing in ASP.NET Web API?

Updated Apr 28, 2026

Short answer

Routing maps HTTP requests to controller actions.

Deep explanation

Routing determines how URLs map to controllers and actions using conventions or attributes.

Real-world example

Mapping /api/users/1 to a specific controller action.

Common mistakes

  • Incorrect route templates.

Follow-up questions

  • What is attribute routing?
  • Why routing?

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