# Lead411 documentation

Research date: 2026-08-25

Documentation coverage: partial.

Reference index, not a mirror of complete vendor documentation. Retrieved pages do not prove the MCP works.

## What it does

A B2B contact and company database with verified emails, direct dials, and growth/intent triggers, queryable by search or by an enrichment API.

## Access and connection

MCP support: official

Access requirements: paid

Authentication: api key via X-API-KEY header. TRANSPORT IS DISPUTED: the official registry record says SSE, PulseMCP says Streamable HTTP. Verify at connect time.

Research checked: 2026-08-25

These details come from catalog research. Check vendor sources for current setup instructions; this is not proof of a tested connection.

## Sources

- https://api.lead411.com/v1/docs/
- https://registry.modelcontextprotocol.io/v0/servers?search=lead411
- https://www.pulsemcp.com/servers/lead411
- https://www.lead411.com/
- https://mcp.lead411.com/mcp
- https://www.lead411.com/zoominfo-mcp-server/

## Retrieved pages

- https://api.lead411.com/v1/docs/ (fetched)