Image-Charts vs Sheet2API
Same instrument, two spec sheets — measured, not claimed.
Image-Charts vs Sheet2API: common questions
Which is more reliable, Image-Charts or Sheet2API?
Both are neck-and-neck — Image-Charts and Sheet2API each measure 99.02% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Image-Charts or Sheet2API?
Image-Charts has the lower median latency in our checks — Image-Charts responds in 80 ms versus Sheet2API at 3070 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do Image-Charts and Sheet2API need an API key?
Image-Charts needs no key, while Sheet2API requires a free API key. If you want to start calling without signup, reach for Image-Charts first.
Can I call Image-Charts and Sheet2API from the browser?
Only Sheet2API is browser-friendly — it returns CORS headers over HTTPS. Image-Charts needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Image-Charts and Sheet2API free for commercial use?
Image-Charts has unclear commercial terms, and Sheet2API 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.