Idempotent API
Work through each question. Reveal the answer when you're ready to check.
Why are idempotent APIs critical in distributed systems?
Why are PUT and DELETE considered idempotent HTTP methods while POST is typically not?
Why do payment APIs commonly use idempotency keys?
Why are retries tightly coupled with idempotent API design?
Why is idempotency especially important in eventually consistent systems?
How do databases help enforce API idempotency?
Why is idempotent message processing critical in Kafka-based architectures?
Why are idempotency mechanisms sometimes implemented at the API Gateway layer?
Why can concurrent duplicate requests still break naive idempotency implementations?
What are the major trade-offs of implementing idempotent APIs in distributed systems?