MailerSend API

Email · Operational · 30d uptime 100%
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Trust signals

Pricing
FREEMIUM
Auth
API_KEY
CORS
No
Rate limit
120 requests/minute; 3,000 emails/month free
Health
162ms
Trust score
93 (A)

Last checked Sep 4, 2026 · uptime 24h 100% / 7d 100% / 30d 100%

Excellent production-readiness signals.

Links

Integration checklist

  • Auth is API_KEY— no credit card required
  • No CORS — route calls through your backend.
  • Rate limit: 120 requests/minute; 3,000 emails/month free
More email APIs
MailerSend API API — pricing, auth, CORS & health | Reqistry