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IBM X-Force Exchange API vs Shields

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

APIIBM X-Force Exchange APIHEALTHY96ShieldsHEALTHY100
Uptime · 30d
Uptime · 90d98.0%100%
Uptime · 30d98.3%100%
P50 · ms23830
P95 · ms868925
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 Shields: common questions

Which is more reliable, IBM X-Force Exchange API or Shields?

On our scheduled checks, Shields leads on measured uptime — IBM X-Force Exchange API at 98.0% versus Shields 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, IBM X-Force Exchange API or Shields?

Shields has the lower median latency in our checks — IBM X-Force Exchange API responds in 238 ms versus Shields at 30 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 Shields need an API key?

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

Can I call IBM X-Force Exchange API and Shields from the browser?

Only Shields 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 Shields free for commercial use?

IBM X-Force Exchange API has unclear commercial terms, and Shields 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.