Technical template · Free public preview
HookReplay
Reproduce duplicate and stale event deliveries.
See the difference before adapting the template
- Run the example: a failed attempt is retried, an older update arrives late, and an event is repeated.
- Compare the guarded and naive handlers. Inspect writes and final resource values.
- Try concurrent delivery. A single-process promise ledger is not a durable, distributed guarantee.
The package includes an adapter harness, original fixtures and tests. Plug in only local code you trust. Real sender authentication, database transactions and crash recovery need separate implementation and integration tests.
Provider requirements: Stripe webhook documentation. This product is independent of Stripe.
Keep the complete workflow.
A synthetic event-replay harness with a guarded handler example, failure fixtures and a local adapter contract. No live payment endpoint or queue service.
Original download package prepared for review. No subscription or paid API is needed to run it.
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Follow a worked free exercise
Test duplicate webhook effects locally before connecting a provider. Run synthetic proof and download the sample.