# Email Verification apps ranked on King of Apps

> Checks email addresses for valid syntax, active mailboxes and delivery risks before messages are sent.

Path: [IT Software](https://king-of-apps.vercel.app/category/it-software) > [Collaboration & Productivity](https://king-of-apps.vercel.app/category/collaboration-productivity) > [Email Verification](https://king-of-apps.vercel.app/category/email-verification)

_Data as of 2026-11-02T14:11:13.138Z. Ranks change whenever someone pays._

The #1 Email Verification app is **Hexmail** (hexmail.dev), with $29 paid. 1 app is listed in Email Verification.

Ranks are global: a category page filters the global board. The order reflects money paid, not quality.

## Email Verification leaderboard

| # | Overall rank | App | Domain | Description | Total paid | Clicks | Listed since |
|---|---|---|---|---|---|---|---|
| 1 | 16 | [Hexmail](https://king-of-apps.vercel.app/app/hexmail.dev) | hexmail.dev | Email verification API that checks syntax, MX records and mailbox existence before a signup is saved. | $29 | 14 | 2026-11-02 |

## Related categories

- [Email](https://king-of-apps.vercel.app/category/email): Sends, receives and organizes messages, files and conversations across personal or business accounts.
- [Email Client](https://king-of-apps.vercel.app/category/email-client): Lets users compose, send, receive and organize messages from one or more email accounts.
- [Email Management](https://king-of-apps.vercel.app/category/email-management): Organizes inboxes, messages and follow up tasks so users can process email more efficiently.
- [Other Email](https://king-of-apps.vercel.app/category/other-email): Handles email tasks outside calendars, browsers, meetings, conferencing, scheduling and other collaboration tools.
- [Video Email](https://king-of-apps.vercel.app/category/video-email): Sends personalized video messages by email, with recording, sharing and engagement tracking in one place.
- [Address Verification](https://king-of-apps.vercel.app/category/address-verification): Checks postal details against reference data to correct incomplete or invalid delivery addresses.
- [Age Verification](https://king-of-apps.vercel.app/category/age-verification): Checks a person's age using identity or date data before allowing access, purchase or signup.
- [Identity Verification](https://king-of-apps.vercel.app/category/identity-verification): Checks that a person is real and matches claimed identity details using documents, biometrics or trusted data sources.