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