apilayer pdflayer vs npm Registry

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms422243
P95 · ms12251246
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree (public registry)
Rate limitUnpublishedUnpublished (bulk scraping discouraged)
In directory since2026-07-052026-07-05
operationalpartialdownno data

apilayer pdflayer vs npm Registry: common questions

Which is more reliable, apilayer pdflayer or npm Registry?

Both are neck-and-neck — apilayer pdflayer and npm Registry 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 npm Registry?

npm Registry has the lower median latency in our checks — apilayer pdflayer responds in 422 ms versus npm Registry at 243 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 npm Registry need an API key?

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

Can I call apilayer pdflayer and npm Registry from the browser?

Yes — both apilayer pdflayer and npm Registry 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 npm Registry free for commercial use?

apilayer pdflayer has unclear commercial terms, and npm Registry 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.