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RSQ API vs SampleAPIs

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

APIRSQ APIHEALTHY93SampleAPIsHEALTHY95
Uptime · 30d
Uptime · 90d100%99.44%
Uptime · 30d100%98.3%
P50 · ms172347
P95 · ms42481747
Authnonenone
CORSyesyes
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublished5000 req/window · 3876 remaining · resets 1783516346
In directory since2026-07-052026-07-05
operationalpartialdownno data

RSQ API vs SampleAPIs: common questions

Which is more reliable, RSQ API or SampleAPIs?

On our scheduled checks, RSQ API leads on measured uptime — RSQ API at 100% versus SampleAPIs at 99.44% 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, RSQ API or SampleAPIs?

RSQ API has the lower median latency in our checks — RSQ API responds in 172 ms versus SampleAPIs at 347 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 RSQ API and SampleAPIs need an API key?

Neither needs a paid key — RSQ API is callable with no signup, and SampleAPIs is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call RSQ API and SampleAPIs from the browser?

Only SampleAPIs is browser-friendly — it returns CORS headers over HTTPS. RSQ API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are RSQ API and SampleAPIs free for commercial use?

RSQ API has unclear commercial terms, and SampleAPIs 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.