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Web of Science API Expanded vs WhatIsMyIP API

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

APIWeb of Science API ExpandedHEALTHY88WhatIsMyIP APIHEALTHY98
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms787227
P95 · ms1985672
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Web of Science API Expanded vs WhatIsMyIP API: common questions

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

On our scheduled checks, WhatIsMyIP API leads on measured uptime — Web of Science API Expanded at 99.02% versus WhatIsMyIP API at 100% 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, Web of Science API Expanded or WhatIsMyIP API?

WhatIsMyIP API has the lower median latency in our checks — Web of Science API Expanded responds in 787 ms versus WhatIsMyIP API at 227 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 Web of Science API Expanded and WhatIsMyIP API need an API key?

WhatIsMyIP 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 WhatIsMyIP API first.

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

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

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

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