Guerrilla Mail vs mailboxlayer
Same instrument, two spec sheets — measured, not claimed.
Guerrilla Mail vs mailboxlayer: common questions
Which is more reliable, Guerrilla Mail or mailboxlayer?
On our scheduled checks, mailboxlayer leads on measured uptime — Guerrilla Mail at 95.1% versus mailboxlayer at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Guerrilla Mail or mailboxlayer?
Guerrilla Mail has the lower median latency in our checks — Guerrilla Mail responds in 298 ms versus mailboxlayer at 316 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do Guerrilla Mail and mailboxlayer need an API key?
Guerrilla Mail needs no key, while mailboxlayer requires a free API key. If you want to start calling without signup, reach for Guerrilla Mail first.
Can I call Guerrilla Mail and mailboxlayer from the browser?
Only Guerrilla Mail is browser-friendly — it returns CORS headers over HTTPS. mailboxlayer needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Guerrilla Mail and mailboxlayer free for commercial use?
Guerrilla Mail has unclear commercial terms, and mailboxlayer 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.