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apilayer pdflayer vs eLife Sciences API

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

APIapilayer pdflayerHEALTHY94eLife Sciences APIHEALTHY95
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms422409
P95 · ms12251039
AuthapiKeynone
CORSyesyes
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 eLife Sciences API: common questions

Which is more reliable, apilayer pdflayer or eLife Sciences API?

Both are neck-and-neck — apilayer pdflayer and eLife Sciences 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 eLife Sciences API?

eLife Sciences API has the lower median latency in our checks — apilayer pdflayer responds in 422 ms versus eLife Sciences API at 409 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 eLife Sciences API need an API key?

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

Can I call apilayer pdflayer and eLife Sciences API from the browser?

Yes — both apilayer pdflayer and eLife Sciences API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are apilayer pdflayer and eLife Sciences API free for commercial use?

apilayer pdflayer has unclear commercial terms, and eLife Sciences 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.