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idempotency-key

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spring-transactional-outbox-kafka

KHolodilin / spring-transactional-outbox-kafka

Star 19

Production-ready Java implementation of the Transactional Outbox Pattern for Spring Boot 4, Kafka and PostgreSQL, with idempotency, batch publishing, recovery and low database polling.

microservices kafka spring-boot microservice grafana postgresql prometheus grafana-dashboard gatling observability microservices-demo idempotency grafana-prometheus microservices-example outbox transactional-outbox idempotency-key outbox-pattern transactional-outbox-pattern observability-dashboard
  • Updated Sep 7, 2026
  • Java

lu1tr0n / idempotency-spring-boot-starter

Star 3

Drop-in Idempotency-Key support for Spring Boot 3 APIs. Every POST/PUT/PATCH retry returns the cached response — exact same body, status, headers — instead of charging twice, double-creating orders, or re-sending webhooks. JDBC and Redis backends, Stripe-style mismatch detection, zero controller changes.

java redis spring spring-boot stripe jdbc rest-api webhook payments spring-boot-starter servlet retry idempotency idempotency-key spring-boot-3
  • Updated Sep 8, 2026
  • Java

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