Disify

About Disify

Disify is an email validation API that checks address format, DNS/MX records, and disposable-provider status. It maintains a database of over 64,000 disposable email domains, updated from provider research and user submissions, and cross-references DNS and MX hostnames to catch shared disposable infrastructure beyond simple blacklist matching.

The API supports single email validation as well as bulk validation of multiple addresses via comma-, space-, or newline-separated input, with bulk results retrievable through a session token that expires after approximately one hour. Endpoints accept both GET and POST requests and return JSON responses including format validity, domain, disposable status, DNS status, role-account detection, free-provider detection, and a confidence score.

The service is aimed at developers who need to validate email addresses and detect disposable or throwaway accounts, such as for signup forms or email list hygiene. Basic checks are available via a free REST API with no authentication required; a free account provides higher rate limits, and paid plans add SPF/DKIM/DMARC checks, deliverability scoring, and domain age lookup, with a Pro tier offering 500 requests per minute.

Key features

• Single and bulk email validation via REST API
• Disposable email detection across 64K+ continuously updated domains
• DNS and MX record validation to catch shared disposable infrastructure
• No-auth-required free API for basic checks
• Pro tier adds SPF/DKIM/DMARC checks, deliverability scoring, and domain age lookup

Frequently asked questions