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RSQ API vs Scrapfly

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

APIRSQ APIHEALTHY91ScrapflyHEALTHY79
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms7831015
P95 · ms13874809
AuthnoneapiKey
CORSyesno
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

RSQ API vs Scrapfly: common questions

Which is more reliable, RSQ API or Scrapfly?

On our scheduled checks, RSQ API leads on measured uptime — RSQ API at 100% versus Scrapfly at 99.02% 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 Scrapfly?

RSQ API has the lower median latency in our checks — RSQ API responds in 783 ms versus Scrapfly at 1015 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 Scrapfly need an API key?

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

Can I call RSQ API and Scrapfly from the browser?

Neither sends browser-friendly CORS headers reliably, so call RSQ API and Scrapfly 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 Scrapfly free for commercial use?

RSQ API has unclear commercial terms, and Scrapfly 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.