Lanyard vs Resend
Same instrument, two spec sheets — measured, not claimed.
Lanyard vs Resend: common questions
Which is more reliable, Lanyard or Resend?
On our scheduled checks, Resend leads on measured uptime — Lanyard at —% versus Resend 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 Lanyard and Resend need an API key?
Lanyard needs no key, while Resend requires a free API key. If you want to start calling without signup, reach for Lanyard first.
Can I call Lanyard and Resend from the browser?
Only Lanyard is browser-friendly — it returns CORS headers over HTTPS. Resend needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Lanyard and Resend free for commercial use?
Lanyard has unclear commercial terms, and Resend 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.