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Preventing Double Charges on Payment API Timeouts: A Practical Guide to Idempotency Keys and Distributed Locks

This story is from 2026-10-25. It is preserved in the archive; the latest stories are on the live feed.

Preventing Double Charges on Payment API Timeouts: A Practical Guide to Idempotency Keys and Distributed Locks Payment gateway integrations are notoriously unforgiving. When network timeouts occur during an external payment API call, client applications often cannot determine whether the transactio…

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  1. 2026-10-25 13:27 · DEV Community — AI
    Preventing Double Charges on Payment API Timeouts: A Practical Guide to Idempotency Keys and Distributed Locks

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