MailCheck Email Validation FadSync API

What is MailCheck Email Validation FadSync API?

Stop free-trial abuse and database bloat instantly. FadSync MailCheck is an enterprise-grade email validation API that detects and blocks temporary, disposable, and high-risk email addresses before they pollute your system. With an edge-optimized architecture averaging a 50ms response time, our engine instantly recognizes over 40 million burner domains (10MinuteMail, TempMail, etc.) without adding friction to your user onboarding. Trusted by 500+ enterprises.