Image-Charts vs Pythonium
Same instrument, two spec sheets — measured, not claimed.
Image-Charts vs Pythonium: common questions
Which is more reliable, Image-Charts or Pythonium?
On our scheduled checks, Pythonium leads on measured uptime — Image-Charts 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 Image-Charts and Pythonium need an API key?
Neither needs a paid key — Image-Charts 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 Image-Charts and Pythonium from the browser?
Neither sends browser-friendly CORS headers reliably, so call Image-Charts and Pythonium from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Image-Charts and Pythonium free for commercial use?
Image-Charts 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.