How APIs Use Conditional Requests to Cut Unnecessary Data
from The API Podcast with Fexingo: REST, GraphQL, and Modern Web APIs Hosted by Fexingo
Lucas and Luna dive into HTTP conditional requests — the powerful but often overlooked mechanism that lets APIs skip sending data when nothing has changed. They walk through how ETags and If-None-Match headers work, using a concrete example: a mobile news app polling a backend every five minutes. The episode explains the difference between validation and preconditions, shows how 304 Not Modified responses shrink bandwidth and latency, and warns about pitfalls like weak validators and race conditions. By the end, you'll know how to design APIs that let clients cache intelligently and avoid literal data waste. If you've ever wondered why your app is fetching the same JSON over and over, this episode gives you the tool to stop it. Tune in for a practical, code-minded conversation that will change how you think about HTTP semantics. #ConditionalRequests #HTTP #ETags #IfNoneMatch #APIDesign #Caching #WebPerformance #REST #Technology #Developer #FexingoBusiness #BusinessPodcast #API #WebDevelopment #Protocols #Latency #Bandwidth #Efficiency Keep every episode free: buymeacoffee.com/fexingo
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