Designing Idempotent Payment APIs in Spring Boot
A practical pattern for making payment endpoints safe to retry — idempotency keys, a dedupe store, and the edge cases that bite you in production.
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A practical pattern for making payment endpoints safe to retry — idempotency keys, a dedupe store, and the edge cases that bite you in production.
How to decompose a monolith incrementally with an anti-corruption layer and feature flags, so you ship value the whole way through.