Learning ASP.NET Web API (Video 38)

This video tutorial covers the use of HTTP verbs, highlighting their importance in web API services. It discusses common misuses, characteristics like safety and idempotency, and best practices for their application. The video emphasizes the correct use of verbs such as GET, POST, PUT, and DELETE, and provides examples of incorrect usage. It also outlines the importance of clean URLs and the use of query strings for additional information. The tutorial concludes with a summary and a preview of the next topic, HTTP status codes.

Which of the following is NOT a correct usage of HTTP verbs?

• DELETE API/messages/12

• GET API/messages/12

• PUT API/customer/1

• POST API/customer/1/status

What does it mean for an HTTP verb to be idempotent?

• It is safe and does not alter server data.

• It requires authentication.

• It always returns a 200 status code.

• It can be called multiple times without changing the result.

Which HTTP verb is considered safe because it does not change server data?

• DELETE

• PUT

• GET

• POST

What status code should be returned when a new resource is created using POST?

• 201

• 500

• 200

• 404

What should be included in the URL when retrieving a specific resource?

• The entire data set

• The status code

• Only the ID of the resource

• All query parameters