shipapis
StarSubmit an APISubmit API

Octoparse Cloud vs Open Library

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

APIOctoparse CloudHEALTHY80Open LibraryHEALTHY73
Uptime · 30d
Uptime · 90d100%88.2%
Uptime · 30d100%81.7%
P50 · ms14221629
P95 · ms28824878
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedMixed — mostly open
Free tierFree tier — API key requiredUnlimited within courtesy limits
Rate limitUnpublishedSoft — identified UA appreciated
In directory since2026-07-052026-05-02
operationalpartialdownno data

Octoparse Cloud vs Open Library: common questions

Which is more reliable, Octoparse Cloud or Open Library?

On our scheduled checks, Octoparse Cloud leads on measured uptime — Octoparse Cloud at 100% versus Open Library at 88.2% 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, Octoparse Cloud or Open Library?

Octoparse Cloud has the lower median latency in our checks — Octoparse Cloud responds in 1422 ms versus Open Library at 1629 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 Octoparse Cloud and Open Library need an API key?

Open Library needs no key, while Octoparse Cloud requires a free API key. If you want to start calling without signup, reach for Open Library first.

Can I call Octoparse Cloud and Open Library from the browser?

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

Are Octoparse Cloud and Open Library free for commercial use?

Octoparse Cloud has unclear commercial terms, and Open Library 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.