---
title: "Discussion on \"How I Prevented Double-Crediting in My Fintech Wallet (Webhook Idempotency Explained)\" | Hashnode"
description: "Discussion on \"How I Prevented Double-Crediting in My Fintech Wallet (Webhook Idempotency Explained)\". I’ve been building a fintech Wallet Service API that handles real money transactions via Paystack for some time now, and I’ve learned so much, and this article explains one of the most important concepts I learned about building a Fintech service.\nTh..."
url: "https://hashnode.com/posts/how-i-prevented-double-crediting-in-my-fintech-wallet-webhook-idempotency-explained/695e22feeafc2ea93afb5497"
---

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# [How I Prevented Double-Crediting in My Fintech Wallet (Webhook Idempotency Explained)](https://webhook-idempotency-explained.hashnode.dev/how-i-prevented-double-crediting-in-my-fintech-wallet-webhook-idempotency-explained?utm_source=hashnode&utm_medium=feed)

I’ve been building a fintech Wallet Service API that handles real money transactions via Paystack for some time now, and I’ve learned so much, and this article explains one of the most important concepts I learned about building a Fintech service. Th...

Jan 7 · 4 min read · webhook-idempotency-explained.hashnode.dev  
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-   [#paystack](https://hashnode.com/tag/paystack)
-   [#fintech](https://hashnode.com/tag/fintech)
-   [#python](https://hashnode.com/tag/python)
-   [#fastapi](https://hashnode.com/tag/fastapi)

## Written by

[Peter Aluya](https://hashnode.com/@Jolonto)

@Jolonto · Lagos, Nigeria

  
[View profile](https://hashnode.com/@Jolonto)

Saint

Software engineer specializing in backend systems, building payment infrastructures, and scalable API systems

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