apilayer pdflayer vs QuickChart

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms422318
P95 · ms12253598
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

apilayer pdflayer vs QuickChart: common questions

Which is more reliable, apilayer pdflayer or QuickChart?

Both are neck-and-neck — apilayer pdflayer 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, apilayer pdflayer or QuickChart?

QuickChart has the lower median latency in our checks — apilayer pdflayer responds in 422 ms versus QuickChart at 318 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 apilayer pdflayer and QuickChart need an API key?

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

Can I call apilayer pdflayer and QuickChart from the browser?

Only apilayer pdflayer 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 apilayer pdflayer and QuickChart free for commercial use?

apilayer pdflayer 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.