QuickChart vs SampleAPIs
Same instrument, two spec sheets — measured, not claimed.
QuickChart vs SampleAPIs: common questions
Which is more reliable, QuickChart or SampleAPIs?
On our scheduled checks, QuickChart leads on measured uptime — QuickChart at 100% versus SampleAPIs at 99.44% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, QuickChart or SampleAPIs?
QuickChart has the lower median latency in our checks — QuickChart responds in 264 ms versus SampleAPIs at 347 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 QuickChart and SampleAPIs need an API key?
Neither needs a paid key — QuickChart is callable with no signup, and SampleAPIs is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call QuickChart and SampleAPIs from the browser?
Only SampleAPIs is browser-friendly — it returns CORS headers over HTTPS. QuickChart needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are QuickChart and SampleAPIs free for commercial use?
QuickChart has unclear commercial terms, and SampleAPIs 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.