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Lookup.im API vs RuntimeBuzz Article API

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

APILookup.im APIHEALTHY84RuntimeBuzz Article APIHEALTHY93
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d100%100%
P50 · ms1158539
P95 · ms35811222
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

Lookup.im API vs RuntimeBuzz Article API: common questions

Which is more reliable, Lookup.im API or RuntimeBuzz Article API?

On our scheduled checks, RuntimeBuzz Article API leads on measured uptime — Lookup.im API at 99.02% versus RuntimeBuzz Article API 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, Lookup.im API or RuntimeBuzz Article API?

RuntimeBuzz Article API has the lower median latency in our checks — Lookup.im API responds in 1158 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 Lookup.im API and RuntimeBuzz Article API need an API key?

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

Can I call Lookup.im API and RuntimeBuzz Article API from the browser?

Neither sends browser-friendly CORS headers reliably, so call Lookup.im 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 Lookup.im API and RuntimeBuzz Article API free for commercial use?

Lookup.im 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.