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CheapShark API vs Web of Science API Expanded

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

APICheapShark APIHEALTHY88Web of Science API ExpandedHEALTHY88
Uptime · 30d
Uptime · 90d99.02%99.02%
Uptime · 30d98.3%98.3%
P50 · ms804787
P95 · ms24831985
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CheapShark API vs Web of Science API Expanded: common questions

Which is more reliable, CheapShark API or Web of Science API Expanded?

Both are neck-and-neck — CheapShark API and Web of Science API Expanded each measure 99.02% 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, CheapShark API or Web of Science API Expanded?

Web of Science API Expanded has the lower median latency in our checks — CheapShark API responds in 804 ms versus Web of Science API Expanded at 787 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 CheapShark API and Web of Science API Expanded need an API key?

CheapShark API needs no key, while Web of Science API Expanded requires a free API key. If you want to start calling without signup, reach for CheapShark API first.

Can I call CheapShark API and Web of Science API Expanded from the browser?

Neither sends browser-friendly CORS headers reliably, so call CheapShark API and Web of Science API Expanded from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are CheapShark API and Web of Science API Expanded free for commercial use?

CheapShark API has unclear commercial terms, and Web of Science API Expanded 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.