REST API Interview Questions
3 interview questions in our bank cover REST API, most of them System Design for ML. They average 2.7/5 difficulty — medium — and each one was reported by a candidate after a real interview. Companies known to ask about REST API: Palantir, Rippling, Verse Medical.
Practice these on the problems board →Companies that ask about REST API
Question mix
- System Design for ML2
- Coding & Leetcode-style Questions1
Difficulty
- 2/5 — easy1
- 3/5 — medium2
Questions tagged REST API
REST API: Country Codes
2/5In this practical API integration challenge reported at Palantir, you will write a routine that queries a remote directory service to retrieve and format telephone metadata. The task requires parsing incoming JSON payloads, handling empty or multi-result scenarios, and correctly concatenating international dialing prefixes according to strict specifications. It tests your proficiency in handling external web requests, data parsing, and string formatting. Access the complete programming task details and verified model solution with a subscription.
Coding & Leetcode-style QuestionsPalantirRunnable Stack Overflow / Quora REST Service
3/5In this Rippling system design challenge, you are asked to build a functional RESTful service mimicking a question-and-answer platform, complete with routing, persistence handling, and voting mechanisms. The exercise covers live coding followed by architectural discussions on database indexing, scaling, and rate limiting. Access to the comprehensive prompt, design criteria, and reference architecture requires a paid subscription.
System Design for MLRipplingUniversity Course Platform: User Auth, Courses, Favorites API & DB Design
3/5Tackle a comprehensive backend and database architecture task modeled after real-world Verse Medical technical evaluations. This project requires constructing a modern web service architecture complete with secure authentication mechanisms, catalog browsing features, and persistent user preference tracking. Engineers will practice designing clean RESTful endpoints, structuring robust relational database schemas, and wiring up full-stack workflows. It serves as an excellent blueprint for building scalable, production-ready web applications from scratch. Unlock your subscription today to review the complete architectural blueprints and reference implementation.
System Design for MLVerse Medical
Studied alongside
REST API interview FAQ
- How many REST API interview questions are there?
- 3 reported questions, mostly System Design for ML.
- Which companies ask REST API questions?
- Palantir (1), Rippling (1), Verse Medical (1).
- How hard are REST API questions?
- They average 2.7 out of 5: 1 at 2/5, 2 at 3/5.