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The Odds API vs Web of Science API Expanded

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

APIThe Odds APIREACHABLE100Web of Science API ExpandedHEALTHY88
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms225787
P95 · ms21011985
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

The Odds API vs Web of Science API Expanded: common questions

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

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

The Odds API has the lower median latency in our checks — The Odds API responds in 225 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 The Odds API and Web of Science API Expanded need an API key?

Both ask you to authenticate — The Odds API uses an API key and Web of Science API Expanded uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

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

Only The Odds 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 The Odds API and Web of Science API Expanded free for commercial use?

The Odds 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.