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RSQ API vs SiteIntel

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

APIRSQ APINEW—SiteIntelNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

RSQ API vs SiteIntel: common questions

Which is more reliable, RSQ API or SiteIntel?

On our scheduled checks, SiteIntel leads on measured uptime — RSQ API at —% versus SiteIntel at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do RSQ API and SiteIntel need an API key?

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

Can I call RSQ API and SiteIntel from the browser?

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

Are RSQ API and SiteIntel free for commercial use?

RSQ API has unclear commercial terms, and SiteIntel 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.