jsDelivr vs Pythonium
Same instrument, two spec sheets — measured, not claimed.
jsDelivr vs Pythonium: common questions
Which is more reliable, jsDelivr or Pythonium?
On our scheduled checks, Pythonium leads on measured uptime — jsDelivr at —% versus Pythonium at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do jsDelivr and Pythonium need an API key?
Neither needs a paid key — jsDelivr is callable with no signup, and Pythonium is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call jsDelivr and Pythonium from the browser?
Only jsDelivr is browser-friendly — it returns CORS headers over HTTPS. Pythonium needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are jsDelivr and Pythonium free for commercial use?
jsDelivr has unclear commercial terms, and Pythonium has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.