---
title: "Discussion on \"How I Cache Exchange Rates Without Lying About Freshness\" | Hashnode"
description: "Discussion on \"How I Cache Exchange Rates Without Lying About Freshness\". A one-hour server-side cache, two timestamps, and a rule: a stale rate must say it is stale."
url: "https://hashnode.com/posts/how-i-cache-exchange-rates-without-lying-about-freshness/6af286b5870d07ceeb69383e"
---

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# [How I Cache Exchange Rates Without Lying About Freshness](https://toolkitloop.hashnode.dev/how-i-cache-exchange-rates-without-lying-about-freshness?utm_source=hashnode&utm_medium=feed)

A one-hour server-side cache, two timestamps, and a rule: a stale rate must say it is stale.

2d ago · 7 min read · toolkitloop.hashnode.dev  
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## Written by

[bowen Tse](https://hashnode.com/@bowentse)

@bowentse

  
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Founder of ToolkitLoop (toolkitloop.com) — 30 free online tools that run 100% in your browser. No sign-ups, no uploads, private by design.

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