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REST API Design test for hiring

Review how candidates shape HTTP APIs and document changes for REST API work.

10 dakika
15 soru
Intermediate
Multiple choice
Questions in İngilizce
Phone and desktop

Use this test free See the question formats

Kısa yanıt

The REST API Design test is a timed set of practical questions for hiring intermediate backend and full-stack developers, web developers, software architects, integration engineers, and technical product or project managers who work with REST APIs. It measures choices about HTTP methods, request and response shape, status codes, and API documentation and change management.

Ölçtüğü şey

Choosing HTTP methods, shaping requests and responses, picking status codes, and documenting and evolving REST APIs.

HTTP methods and semantics

Candidates choose HTTP methods for operations shown in short HTTP exchanges, applying the stated REST conventions.

Request design

Candidates select request shapes that fit the API description and JSON bodies in each scenario.

Response design and status codes

Candidates choose response shapes and status codes that fit the HTTP exchange and stated guidelines.

API documentation and change management

Candidates select documentation changes that fit an evolving REST API and its stated conventions.

Question formats

Multiple choice

The candidate: Reads a short situation, table or statement and picks the right answer, or every right answer.

You see: Whether the candidate knows the material well enough to apply it, not just recognize it.

15 questions in 10 minutes, served one at a time.

Roles this test fits

Backend and full-stack developers, web developers, software architects, integration engineers, and technical product or project managers who work with REST APIs.

See how candidates handle API design choices

See choices in context
Short HTTP exchanges, JSON bodies, and API descriptions show how a candidate handles methods, request shapes, and status codes in practical examples.
Keep the examples language-neutral
Questions use plain HTTP messages, JSON, and YAML, so candidates do not need a particular programming language or framework to show their REST API reasoning.
Use stated conventions
When teams may follow different REST conventions, the question names the guideline to apply. Answers do not depend on one company's house style.

What you get for each candidate

Example report (fictional data)REST API Design

%70Percentile 44. Benchmark: HireValid candidates, n = 854

HTTP methods and semantics%67

Request design%64

Response design and status codes%65

API documentation and change management%82

Integrity ScoreYüksek güven

Stayed on the test tab throughout
No pasted answers
Answered at a steady pace

Scores, profiles and integrity signals are evidence for you to review alongside an interview, never an automatic decision.

Use this test free

Test integrity signals for employer review

Each candidate gets a different question set from large pools, with questions and answer options in a different order. The browser shows one question at a time, and answer keys stay on HireValid's servers. Timing runs on the server; reloading restores the same question with only the time left. Candidates cannot copy or select question text, and blocked copy attempts appear in the timeline. Personal invitation links expire, and a finished test cannot be taken again. HireValid summarizes signals such as time away from the test tab, pastes into answers, and answers faster than a question can be read in an Integrity Score and evidence timeline for employer review. It never decides on its own.

Yapay zekâyla kopya çekmeyi nasıl önlüyoruz · Integrity signals

Use the score as evidence to review

Pair the score with a work sample about an API change and a structured interview. Review the candidate's reasoning in context; the score is evidence for your review, not a hiring decision. For adjacent technical coverage, see the Node.js test, the FastAPI test and the Django test, or use the pre-employment testing guide to plan a consistent process.

Yapılandırılmış mülakat soruları

Tell me about a REST API design decision you made. What shaped your choice?
Listen for the candidate's reasoning about the request or response and the conventions they applied.
How would you handle a change to an API's request or response shape?
Listen for a clear account of the design choice and how they would reflect the change in API documentation.
Describe how you decide which HTTP method and status code fit an API operation.
Listen for reasoning grounded in the operation and the guidelines the team has agreed to follow.

Understand scoring and benchmarks

Fairness and accommodations

Examples are written as plain HTTP messages, JSON and YAML, so no particular programming language or framework is needed. Scenarios use neutral business resources such as orders, bookings and inventory, names from many backgrounds, and no money symbols, idioms or local knowledge. Where teams follow different conventions, the question states the guideline to apply, so answers never depend on one company's house style.

You can give any candidate extra time as an accommodation. Results are evidence for a person to review, never an automatic decision.

Provisional: reliability is reported once 200 candidates have completed it.

Adil yaklaşımımızı okuyun

Test details

A timed set of practical questions on designing and building HTTP APIs in the REST style. Candidates read short HTTP exchanges, JSON bodies and API descriptions, then choose the method, request shape, status code or documentation change that fits widely followed REST conventions.

Questions are in English.
No aids are needed.
Each question is answered once, in order, with no going back.
4 practice questions, 4 minutes, before the timed test.

OpenAPI is a trademark of its owner. HireValid is not affiliated with or endorsed by it.

Sık sorulan sorular

What will candidates read in the REST API Design test?+

Each of the 15 multiple-choice questions shows a short HTTP exchange, a JSON body or an API description, written as plain HTTP messages, JSON and YAML. Scenarios use neutral business resources such as orders, bookings and inventory, with no money symbols, idioms or local knowledge, so no programming language or framework is needed.

How does the REST API Design test handle different team conventions?+

Teams follow different REST conventions on some points. Where that matters, the question states the guideline to apply, so an answer never depends on one company's house style. Otherwise, answers turn on widely followed REST conventions for methods, request shape and status codes.

Are aids allowed in the REST API Design test, and can candidates go back?+

The test allows no aids, and candidates cannot return to an earlier question. It is not restricted to desktop. The separate practice set has 4 questions and takes 4 minutes.

Who should take the REST API Design test?+

It is for intermediate hiring involving backend and full-stack developers, web developers, software architects, integration engineers, and technical product or project managers who work with REST APIs.