Supadata vs VatcheckAPI
Same instrument, two spec sheets — measured, not claimed.
Supadata vs VatcheckAPI: common questions
Which is more reliable, Supadata or VatcheckAPI?
On our scheduled checks, VatcheckAPI leads on measured uptime — Supadata at —% versus VatcheckAPI 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 Supadata and VatcheckAPI need an API key?
Both ask you to authenticate — Supadata uses an API key and VatcheckAPI uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call Supadata and VatcheckAPI from the browser?
Yes — both Supadata and VatcheckAPI send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are Supadata and VatcheckAPI free for commercial use?
Supadata has unclear commercial terms, and VatcheckAPI 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.