REST API Design quiz

Test your REST API Design knowledge with a free interactive quiz — 20 questions with answers and explanations. No signup needed to play.

What is the purpose of API versioning (e.g. `/v1/users` or a version header) in REST API design?

1. What is the purpose of API versioning (e.g. `/v1/users` or a version header) in REST API design?
2. What is HATEOAS (Hypermedia as the Engine of Application State), as a stricter REST design principle?
3. What is the purpose of "content negotiation" (via the `Accept` and `Content-Type` HTTP headers) in a REST API?
4. What is a common approach for filtering, sorting, and searching a collection endpoint in REST API design?
5. What does it mean for a REST API to be designed with "backward compatibility" in mind when adding new fields to an existing resource's response?
6. What is "pagination," and why is it an important consideration when designing an endpoint that could return a large collection of resources?
7. What is a "well-designed" REST API error response commonly expected to include, beyond just an appropriate HTTP status code?
8. What does REST stand for, and what is it fundamentally?
9. What is the significance of HTTP status codes (like 200, 201, 400, 404, 500) in a well-designed REST API?
10. What is a common REST API design consideration for representing a resource's relationship to a parent resource, such as comments belonging to a specific blog post?
11. What is a general tradeoff to weigh when deciding how granular/nested to make a REST API's resource model?
12. What does it mean for an HTTP method to be "idempotent" in the context of REST API design, and which common methods are conventionally idempotent?

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