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apilayer pdflayer vs ReqRes

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

APIapilayer pdflayerNEW—ReqResNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
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 ReqRes: common questions

Which is more reliable, apilayer pdflayer or ReqRes?

On our scheduled checks, ReqRes leads on measured uptime — apilayer pdflayer at —% versus ReqRes at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do apilayer pdflayer and ReqRes need an API key?

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

Can I call apilayer pdflayer and ReqRes from the browser?

Only apilayer pdflayer is browser-friendly — it returns CORS headers over HTTPS. ReqRes needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are apilayer pdflayer and ReqRes free for commercial use?

apilayer pdflayer has unclear commercial terms, and ReqRes 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.