Keyvalue vs Vector Express v2.0
Same instrument, two spec sheets — measured, not claimed.
Keyvalue vs Vector Express v2.0: common questions
Which is more reliable, Keyvalue or Vector Express v2.0?
On our scheduled checks, Vector Express v2.0 leads on measured uptime — Keyvalue at —% versus Vector Express v2.0 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 Vector Express v2.0 need an API key?
Neither needs a paid key — Keyvalue is callable with no signup, and Vector Express v2.0 is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Keyvalue and Vector Express v2.0 from the browser?
Only Keyvalue is browser-friendly — it returns CORS headers over HTTPS. Vector Express v2.0 needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Keyvalue and Vector Express v2.0 free for commercial use?
Keyvalue has unclear commercial terms, and Vector Express v2.0 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.