# Truelist (truelist.io)

Verifies email list addresses by checking syntax, MX records, SMTP mailboxes, disposable domains and spam traps, via API and integrations.

- Atlas card: https://inite.ai/en/atlas/truelist.io
- Site: https://truelist.io
- For: Email marketers, sales teams and developers cleaning lists before campaigns or cold outreach.
- Categories: security
- Use not measured/100 · alive 76/100

## Used for

- Remove invalid and disposable addresses from email lists
- Verify signup emails in real time on forms
- Push validated lists to Mailchimp or HubSpot

## Price

- from 55 USD/usage, free plan (read 2026-10-16 on https://truelist.io/pricing)

## For developers

- API docs: https://truelist.io/docs/api
- MCP server: io.truelist/mcp (namespace; auth on 2026-10-16)
- Status page: https://status.truelist.io
- Read 2026-10-16

## Your data

- Certifications stated: soc2, gdpr, iso27001
- Read 2026-10-16

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