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Registrum API vs RuntimeBuzz Article API

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

APIRegistrum APIHEALTHY96RuntimeBuzz Article APIHEALTHY93
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms246539
P95 · ms15531222
AuthapiKeynone
CORSnono
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

Registrum API vs RuntimeBuzz Article API: common questions

Which is more reliable, Registrum API or RuntimeBuzz Article API?

Both are neck-and-neck — Registrum API and RuntimeBuzz Article API each measure 100% 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, Registrum API or RuntimeBuzz Article API?

Registrum API has the lower median latency in our checks — Registrum API responds in 246 ms versus RuntimeBuzz Article API at 539 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 Registrum API and RuntimeBuzz Article API need an API key?

RuntimeBuzz Article API needs no key, while Registrum API requires a free API key. If you want to start calling without signup, reach for RuntimeBuzz Article API first.

Can I call Registrum API and RuntimeBuzz Article API from the browser?

Neither sends browser-friendly CORS headers reliably, so call Registrum API and RuntimeBuzz Article API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Registrum API and RuntimeBuzz Article API free for commercial use?

Registrum API has unclear commercial terms, and RuntimeBuzz Article 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.