FAANG / Big Tech interview question · Most asked
What is idempotency in APIs?
Summary
Repeating the same request yields the same effect.
Longer Answer
Repeating the same request yields the same effect. Use idempotency keys for payments/retries.
Key Points
- Repeating the same request yields the same effect
- Use idempotency keys for payments/retries
- Reliable distributed APIs
- Use the answer to connect the concept back to a realistic production or interview scenario for 'What is idempotency in APIs?'
Comparison / Tradeoffs
| Aspect | Notes |
|---|---|
| Core idea | Repeating the same request yields the same effect. |
| Practical tradeoff | Reliable distributed APIs. |
Explanation
Summary
Reliable distributed APIs.
Longer Answer
Reliable distributed APIs. Focus on the practical implications across API Design.
Key Points
- Reliable distributed APIs
- Focus on the practical implications across API Design
- Relevant areas: API Design
- Use the answer to connect the concept back to a realistic production or interview scenario for 'What is idempotency in APIs?'
Comparison / Tradeoffs
| Aspect | Notes |
|---|---|
| Core idea | Reliable distributed APIs. |
| Practical tradeoff | In an interview, relate 'What is idempotency in APIs?' to implementation decisions, tradeoffs, and operational impact. |
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