DISIFYDisposable Email Detection API

Validate emails, catch temporary addresses, and check deliverability with a free REST API. No signup or API key required to get started.

Email Validation

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

Validate thousands of addresses in one request. Limits scale from 10,000 anonymous up to 100,000 on Pro.

Run a bulk job

A continuously updated blacklist with multi-layer detection, including MX-server and IP matching.

Browse the blacklists

Catches temp-mail services that ride on real Gmail, Outlook, and iCloud mailboxes via plus-aliases.

How it works

Every result carries a 0–100 confidence score and the signals that triggered it, for finer control.

Read the scoring model