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This question is commonly asked for Software Engineer candidates at Turo during technical interviews.

Design trip booking REST API and schema | Turo Interview Question

Design trip booking REST API and schema

Last updated: Mar 29, 2026

Quick Overview

This question evaluates RESTful API design, temporal data modeling, inventory management strategies, request/response/status-code design, data schema and indexing, and handling booking lifecycle changes such as extensions.

Turo

Feb 12, 2026, 12:00 AM

Software Engineer

Technical Screen

System Design

Design a RESTful API for a guest to book a trip.

Include:

Core endpoints (search availability, create booking, view/cancel booking, payment/confirmation if needed)
Request/response shapes and key status codes
Data model design and indexing
Two inventory modeling approaches:
1. "Per-date inventory" (store availability per day)
2. "Range/interval-based inventory" (store availability as date ranges) Compare pros/cons.

Follow-up: Add support for extending an existing order/booking (e.g., extending checkout date). What changes are needed in the API and the data model?

Solution

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