Bluesky vs Guerrilla Mail
Same instrument, two spec sheets — measured, not claimed.
Bluesky vs Guerrilla Mail: common questions
Which is more reliable, Bluesky or Guerrilla Mail?
On our scheduled checks, Guerrilla Mail leads on measured uptime — Bluesky 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 Bluesky and Guerrilla Mail need an API key?
Neither needs a paid key — Bluesky 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 Bluesky and Guerrilla Mail from the browser?
Yes — both Bluesky 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 Bluesky and Guerrilla Mail free for commercial use?
Bluesky 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.