Designing Resilient Payment Microservices: Idempotency, Webhooks & Double-Entry Ledgers

A practical deep dive into handling mobile money STK pushes, preventing double-credits with distributed locks, and building robust ledger pipelines. Handling real-money transactions in backend microservices comes with a harsh reality: networks fail, webhooks retry unpredictably, and duplicate requests will happen. Whether you are integrating mobile money APIs (like M-Pesa Daraja or IntaSend) or…

dev.to ·1h ago

A comprehensive guide to creating robust payment processing systems for mobile money transactions, emphasizing the importance of idempotency keys, distributed locks, and immutable double-entry bookkeeping. Learn how to ensure financial consistency and prevent duplicate charges in high-throughput payment environments.

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