Trueguard

Email · Operational · 30d uptime 100%

Stop fake signups, bots, and free-trial abuse with device fingerprinting (JA4/TLS), IP intelligence, and real-time risk scoring. Free tier, no card.

Trust signals

Pricing
FREEMIUM
Auth
API_KEY
CORS
Yes
Rate limit
Rate limits vary by plan.
Health
179ms
Trust score
97 (A)

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

Excellent production-readiness signals.

Links

Integration checklist

  • Auth is API_KEY
  • CORS enabled — callable directly from browsers.
  • Rate limit: Rate limits vary by plan.
More email APIs
Trueguard API — pricing, auth, CORS & health | Reqistry