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52 interview questions on API RESTfor developers (2025)

Test your technical skills before an interview of API REST with 52 corrected questions. Beginner, Intermediate or Expert level.

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52 questions
Medium
5 votes977 runs1 comment

Which criterion(s) are/ are part(s) specific to a REST API?

IT Architect
API Design
rest
api
Sébastien Chopinat Jan 4, 2022
Easy
4 votes1006 runs0 comment

What kind of HTTP code should I use to indicate a redirect?

IT Architect
API Design
http
redirect
Sébastien Chopinat Jan 4, 2022
Easy
4 votes990 runs
1 comment

What does CORS mean?

IT Architect
API Design
api
security
Sébastien Chopinat Jan 4, 2022
Easy
3 votes1074 runs0 comment

What does a 2xx HTTP code mean in an API response?

IT Architect
API Design
http
status code
Sébastien Chopinat Jan 4, 2022
Medium
3 votes1018 runs
1 comment
Easy
3 votes1008 runs
2 comments

What does REST mean?

IT Architect
API Design
api
rest
Sébastien Chopinat Sep 19, 2022
Hard
3 votes967 runs0 comment

Which headers allow you to do CORS?

IT Architect
API Design
headers
cors
Sébastien Chopinat Sep 19, 2022
Medium
3 votes939 runs
1 comment

Which HTTP code indicates the good creation of a resource?

IT Architect
API Design
http
status code
Sébastien Chopinat Jan 4, 2022
Medium
3 votes229 runs0 comment
Easy
2 votes993 runs1 comment

What does CRUD mean?

IT Architect
API Design
api
crud
Sébastien Chopinat Jan 4, 2022
Easy
2 votes989 runs0 comment

Which of these is not a valid request header?

IT Architect
API Design
headers
Sébastien Chopinat Jan 4, 2022
Easy
2 votes977 runs0 comment
Easy
2 votes969 runs0 comment

Which of these HTTP codes indicates an internal server error?

IT Architect
API Design
http
status code
Sébastien Chopinat Jan 4, 2022
Easy
1 vote1001 runs0 comment

What is the method used to delete a resource in RESTful API?

IT Architect
API Design
http
methods
Sébastien Chopinat Jan 4, 2022
Easy
1 vote998 runs
1 comment
Medium
1 vote995 runs0 comment

How to delete a book with id 42 in an API

IT Architect
API Design
api
rest
Sébastien Chopinat Jan 4, 2022
Medium
1 vote994 runs1 comment
Easy
1 vote992 runs0 comment
Hard
1 vote986 runs0 comment

Which of these headers allow you to control the cache?

IT Architect
API Design
headers
cache
Sébastien Chopinat Jan 4, 2022
Easy
1 vote982 runs0 comment

What is REST communication based on?

IT Architect
API Design
http
rest
Sébastien Chopinat Jan 4, 2022