# Qualisend (qualisend.com)

Verifies email addresses by checking syntax, DNS, disposable and role flags, and probing mailboxes over SMTP to return deliverability verdicts.

- Atlas card: https://inite.ai/en/atlas/qualisend.com
- Site: https://qualisend.com
- For: Email marketers and developers cleaning subscriber lists before sending campaigns or signing up addresses.
- Categories: security
- Use not measured/100 · alive 87/100

## Used for

- verify addresses at signup before they join a list
- clean subscriber CSV files before sending campaigns
- check single addresses through an assistant or API

## Price

- from 6 USD/one-time (read 2026-10-18 on https://qualisend.com/pricing)

## For developers

- API docs: https://qualisend.com/developers
- MCP server: com.qualisend/email-verification (namespace; open on 2026-10-18, 12 tools)
- Read 2026-10-18

## Your data

- Certifications stated: soc2, hipaa, gdpr
- Read 2026-10-18

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Source: INITE Atlas, https://inite.ai/en/atlas/qualisend.com. JSON: https://inite.ai/api/atlas/qualisend.com. MCP: https://inite.ai/api/mcp (atlas_lookup).