Check email syntax, mail DNS, and disposable-address indicators. No signup or API key required for core checks.
Check format, DNS/MX records, and detect disposable addresses in a single call.
Validate an email
Validate a domain name directly — no full email address needed. Same detection engine.
Check a domain
Check lists of emails and domains in one request, with synchronous or queued results and per-tier limits.
Run a bulk job
Download disposable-domain and mail-server lists, or use the API for the full detection engine.
Browse the blacklists
Catches temp-mail services that ride on real Gmail, Outlook, and iCloud mailboxes via plus-aliases.
How it works
Read the detection score and signals alongside the final disposable verdict.
Read the scoring model
Validate email addresses and domains with the DISIFY API. Start with the Quick Start or integrate with an AI agent.
Agent resources: documentation index, OpenAPI specification, and Markdown versions of every guide and API reference page through the page tools.