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IBM X-Force Exchange API vs University of Oslo

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

APIIBM X-Force Exchange APIHEALTHY96University of OsloHEALTHY79
Uptime · 30d
Uptime · 90d98.0%98.0%
Uptime · 30d98.3%100%
P50 · ms2381763
P95 · ms8684960
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

IBM X-Force Exchange API vs University of Oslo: common questions

Which is more reliable, IBM X-Force Exchange API or University of Oslo?

Both are neck-and-neck — IBM X-Force Exchange API and University of Oslo each measure 98.0% 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, IBM X-Force Exchange API or University of Oslo?

IBM X-Force Exchange API has the lower median latency in our checks — IBM X-Force Exchange API responds in 238 ms versus University of Oslo at 1763 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 IBM X-Force Exchange API and University of Oslo need an API key?

University of Oslo needs no key, while IBM X-Force Exchange API requires a free API key. If you want to start calling without signup, reach for University of Oslo first.

Can I call IBM X-Force Exchange API and University of Oslo from the browser?

Only University of Oslo is browser-friendly — it returns CORS headers over HTTPS. IBM X-Force Exchange API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are IBM X-Force Exchange API and University of Oslo free for commercial use?

IBM X-Force Exchange API has unclear commercial terms, and University of Oslo 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.