What HTTP request methods exist (e.g., GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS)? Which do you use most in your daily work and why? Explain idempotency, safety, typical use cases, and any pitfalls.

This question evaluates understanding of HTTP methods along with related concepts of idempotency and safety, and how those properties influence RESTful API design, reliability, caching, retries, and client behavior.

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This is a medium difficulty System Design question, commonly asked during Technical Screen rounds at Tesla.

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

Explain HTTP methods and your usage | Tesla Interview Question

HTTP Methods, Idempotency, Safety, and Practical Use

Context

You design and consume RESTful APIs for high-throughput services. Explain the core HTTP request methods and how their properties influence API design, reliability, and client behavior.

Tasks

List the main HTTP request methods and briefly describe each: GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS (and optionally CONNECT, TRACE).
Define and contrast idempotency and safety. Explain why these properties matter for retries, caching, and consistency.
For each method, state whether it is safe and/or idempotent, give typical use cases, and call out common pitfalls.
Which methods do you use most in typical backend development and why? Provide rationale tied to read/write patterns, CORS, health checks, and reliability.

HTTP Methods, Idempotency, Safety, and Practical Use

Context

You design and consume RESTful APIs for high-throughput services. Explain the core HTTP request methods and how their properties influence API design, reliability, and client behavior.

Tasks

List the main HTTP request methods and briefly describe each: GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS (and optionally CONNECT, TRACE).
Define and contrast idempotency and safety. Explain why these properties matter for retries, caching, and consistency.
For each method, state whether it is safe and/or idempotent, give typical use cases, and call out common pitfalls.
Which methods do you use most in typical backend development and why? Provide rationale tied to read/write patterns, CORS, health checks, and reliability.

Explain HTTP methods and your usage

Quick Overview

HTTP Methods, Idempotency, Safety, and Practical Use

Context

Tasks

Solution

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Explain HTTP methods and your usage

Quick Overview

HTTP Methods, Idempotency, Safety, and Practical Use

Context

Tasks

Solution

Comments (0)