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InternetDB API vs Scrapfly

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

APIInternetDB APIHEALTHY99ScrapflyHEALTHY79
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms1331015
P95 · ms22604809
AuthnoneapiKey
CORSyesno
HTTPSyesyes
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

InternetDB API vs Scrapfly: common questions

Which is more reliable, InternetDB API or Scrapfly?

On our scheduled checks, InternetDB API leads on measured uptime — InternetDB 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, InternetDB API or Scrapfly?

InternetDB API has the lower median latency in our checks — InternetDB API responds in 133 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 InternetDB API and Scrapfly need an API key?

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

Can I call InternetDB API and Scrapfly from the browser?

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

Are InternetDB API and Scrapfly free for commercial use?

InternetDB 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.