How API Response Caching Can Double Throughput Without New Hardware

from The Developer Tools Podcast with Fexingo: APIs, Infrastructure, and Software for Engineers · host Fexingo

In this episode of The Developer Tools Podcast, Lucas and Luna dive into the practical realities of API response caching. They explore how caching at the gateway level can reduce latency by 60% or more, using real-world examples like a fintech company that cut database queries from 300 to 30 per second. They discuss cache invalidation strategies, the trade-offs of stale data, and why many teams overlook caching in favor of buying more servers. Specific numbers and cases show how caching can double throughput without any new hardware. Lucas and Luna also touch on the business angle: faster APIs mean happier developers and lower cloud bills. Perfect for engineers and operators building at scale. #APICaching #ResponseCaching #LatencyOptimization #CacheInvalidation #Throughput #DeveloperExperience #API #FintechExample #StaleData #GatewayCaching #CloudCosts #CDN #Varnish #Redis #BusinessAndTechnology #FexingoBusiness #BusinessPodcast #DeveloperToolsPodcast Keep every episode free: buymeacoffee.com/fexingo

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This episode is 7 minutes long.

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This episode was published on June 5, 2026.

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