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IBM X-Force Exchange API vs RSS2JSON

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

APIIBM X-Force Exchange APIHEALTHY96RSS2JSONHEALTHY98
Uptime · 30d
Uptime · 90d96.7%98.3%
Uptime · 30d93.3%100%
P50 · ms198102
P95 · ms14013629
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 RSS2JSON: common questions

Which is more reliable, IBM X-Force Exchange API or RSS2JSON?

On our scheduled checks, RSS2JSON leads on measured uptime — IBM X-Force Exchange API at 96.7% versus RSS2JSON at 98.3% 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 RSS2JSON?

RSS2JSON has the lower median latency in our checks — IBM X-Force Exchange API responds in 198 ms versus RSS2JSON at 102 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 RSS2JSON need an API key?

RSS2JSON needs no key, while IBM X-Force Exchange API requires a free API key. If you want to start calling without signup, reach for RSS2JSON first.

Can I call IBM X-Force Exchange API and RSS2JSON from the browser?

Only RSS2JSON 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 RSS2JSON free for commercial use?

IBM X-Force Exchange API has unclear commercial terms, and RSS2JSON 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.