Disify vs Guerrilla Mail
Same instrument, two spec sheets — measured, not claimed.
Disify vs Guerrilla Mail: common questions
Which is more reliable, Disify or Guerrilla Mail?
On our scheduled checks, Guerrilla Mail leads on measured uptime — Disify 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 Disify and Guerrilla Mail need an API key?
Neither needs a paid key — Disify is callable with no signup, and Guerrilla Mail is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Disify and Guerrilla Mail from the browser?
Yes — both Disify 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 Disify and Guerrilla Mail free for commercial use?
Disify 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.