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Poptin API vs QuickChart

Same instrument, two spec sheets — measured, not claimed.

APIPoptin APIREACHABLE100QuickChartHEALTHY95
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms698264
P95 · ms17053598
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree — limits not published
Rate limit120 req/window · 119 remainingUnpublished
In directory since2026-10-042026-07-05
operationalpartialdownno data

Poptin API vs QuickChart: common questions

Which is more reliable, Poptin API or QuickChart?

Both are neck-and-neck — Poptin API and QuickChart each measure 100% 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, Poptin API or QuickChart?

QuickChart has the lower median latency in our checks — Poptin API responds in 698 ms versus QuickChart at 264 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 Poptin API and QuickChart need an API key?

QuickChart needs no key, while Poptin API requires a free API key. If you want to start calling without signup, reach for QuickChart first.

Can I call Poptin API and QuickChart from the browser?

Only Poptin API 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 Poptin API and QuickChart free for commercial use?

Poptin API has unclear commercial terms, and QuickChart 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.