How many questions are in the Postman interview guide?

39: 10 coding problems, 2 system designs and 27 behavioral questions. The guide was last updated in November 2026.

Which rounds do these Postman interview questions come from?

Of the 10 coding problems, 7 come from the coding rounds and 3 from the phone screen. The 2 system designs and 27 behavioral questions come from the system design and behavioral rounds. Every row in the list carries its round, so you can start with the one you have booked.

Which Postman interview questions are free?

5 of the 39 are free to read in full, marked Free in the list. The other 34 come with Premium, which also opens all 100 company guides.

Postman Interview Questions: 39 Coding, Design & Behavioral

Postman interview questions

39 questions10 coding2 system design27 behavioral5 freeUpdated November 2026

This is every question in the Postman guide, in one list: 10 coding problems, 2 system designs and 27 behavioral questions, drawn from what candidates report about Postman interviews.

Each row shows the round it comes from and links to the lesson that works through it. 5 are free to read in full. The other 34 are Premium, and here you still see their round, difficulty and topic, so you know what you're walking into.

Postman coding interview questions

10 problems, in the order the guide teaches them. Each lesson gives the full problem, a worked solution and the follow-ups interviewers tend to add.

#	Question	Round	Difficulty	Lesson
1	URL Shortener: Base-62 CounterFreeCodingMediumBuilding REST APIs	Coding	Medium	Building REST APIs
2	Custom Aliases: Collision HandlingFreeCodingMediumBuilding REST APIs	Coding	Medium	Building REST APIs
3	Users & Friends Online-Status ServiceFreeCodingMediumBuilding REST APIs	Coding	Medium	Building REST APIs
4	Meeting-Rooms Booking APIFreeCodingMediumBuilding REST APIs	Coding	Medium	Building REST APIs
5	Premium medium problemCodingMediumNested Comments API	Coding	Medium	Nested Comments API
6	Premium medium problemCodingMediumNested Comments API	Coding	Medium	Nested Comments API
7	Premium medium problemCodingMediumNested Comments API	Coding	Medium	Nested Comments API
8	Premium medium problemPhone screenMediumThe DSA Phone Screen	Phone screen	Medium	The DSA Phone Screen
9	Premium medium problemPhone screenMediumThe DSA Phone Screen	Phone screen	Medium	The DSA Phone Screen
10	Premium medium problemPhone screenMediumThe DSA Phone Screen	Phone screen	Medium	The DSA Phone Screen

Postman system design interview questions

2 designs, each worked end to end in its own lesson, from requirements to the architecture and its trade-offs.

#	Question
1	Design a Notification SystemFree
2	Design Calendar & Scheduling (Premium)

A lock means the design is named here and its walkthrough is Premium.

Postman behavioral interview questions

27 questions, grouped by what the interviewer is testing. The lesson explains why each one gets asked and what a strong answer covers.

See all 39 Postman questions by name

Premium opens the 34 locked questions on this page, each with the full prompt and a worked answer, and every other lesson in all 100 company guides.

See Premium Start with the free Postman lessons

Postman interview questions

01Postman coding interview questions

02Postman system design interview questions

03Postman behavioral interview questions

Own & deliver (4)

Create with curiosity (3)

Embrace constraints (3)

Win together (4)

Earn trust (3)

A mistake or a failure (3)

Why Postman, and why now (4)

Product sense (frontend and product-facing tracks) (3)