A few weeks ago I published a write-up on inverting the control flow of a settlement API: instead of the endpoint owning window semantics (batching, cutoffs, retries), it became a pure write-and-forget operation, and all of that coordination logic moved to a cold-path scheduler. One of the best ...

Source: [Dev.to](https://dev.to/douglas_carmo_cd84c5548f2/two-layer-idempotency-why-not-every-settlement-system-needs-an-outbox-57d5)

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