Keyvalue vs Scrapfly
Same instrument, two spec sheets — measured, not claimed.
Keyvalue vs Scrapfly: common questions
Which is more reliable, Keyvalue or Scrapfly?
On our scheduled checks, Scrapfly leads on measured uptime — Keyvalue at —% versus Scrapfly 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 Keyvalue and Scrapfly need an API key?
Keyvalue needs no key, while Scrapfly requires a free API key. If you want to start calling without signup, reach for Keyvalue first.
Can I call Keyvalue and Scrapfly from the browser?
Only Keyvalue 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 Keyvalue and Scrapfly free for commercial use?
Keyvalue 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.