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