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apilayer pdflayer vs RSQ API

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

APIapilayer pdflayerHEALTHY94RSQ APIHEALTHY91
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms422783
P95 · ms12251387
AuthapiKeynone
CORSyesyes
HTTPSyesno
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 RSQ API: common questions

Which is more reliable, apilayer pdflayer or RSQ API?

Both are neck-and-neck — apilayer pdflayer and RSQ API 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 RSQ API?

apilayer pdflayer has the lower median latency in our checks — apilayer pdflayer responds in 422 ms versus RSQ API at 783 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 RSQ API need an API key?

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

Can I call apilayer pdflayer and RSQ API from the browser?

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

Are apilayer pdflayer and RSQ API free for commercial use?

apilayer pdflayer has unclear commercial terms, and RSQ API 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.