# ContactLint

> Email and phone validation API with an MCP server for AI agents. 100 free checks per month per key.

## Docs
- [Home and API docs](https://contactlint.com/)
- [OpenAPI spec](https://contactlint.com/openapi.json)
- [Get a key](https://contactlint.com/signup)

## MCP
- Endpoint: https://contactlint.com/mcp (streamable HTTP, JSON-RPC 2.0, header Authorization: Bearer KEY)
- Tools: validate_email(email), validate_phone(phone, country?)

## REST
- POST https://contactlint.com/v1/email/validate {"email"}
- POST https://contactlint.com/v1/phone/validate {"phone","country"}
- GET https://contactlint.com/v1/usage