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apilayer pdflayer vs Image-Charts

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

APIapilayer pdflayerHEALTHY94Image-ChartsHEALTHY99
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms42280
P95 · ms1225499
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 Image-Charts: common questions

Which is more reliable, apilayer pdflayer or Image-Charts?

On our scheduled checks, apilayer pdflayer leads on measured uptime — apilayer pdflayer at 100% versus Image-Charts at 99.02% 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, apilayer pdflayer or Image-Charts?

Image-Charts has the lower median latency in our checks — apilayer pdflayer responds in 422 ms versus Image-Charts at 80 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 Image-Charts need an API key?

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

Can I call apilayer pdflayer and Image-Charts from the browser?

Only apilayer pdflayer 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 apilayer pdflayer and Image-Charts free for commercial use?

apilayer pdflayer has unclear commercial terms, and Image-Charts 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.