# emailvalidation.io

> Validate any email address with our free & easy-to-use email checker software. We provide a 99% accuracy.

- Website: https://emailvalidation.io/
- Documentation: https://emailvalidation.io/docs/
- OpenAPI spec: https://emailvalidation.io/docs/openapi.yaml
- Docs llms.txt: https://emailvalidation.io/docs/llms.txt
- Full marketing content: https://emailvalidation.io/llms-full.txt

## Docs
- [API Documentation](https://emailvalidation.io/docs/): Endpoints, authentication, request/response formats and SDKs.
- [OpenAPI 3.1 spec](https://emailvalidation.io/docs/openapi.yaml): Machine-readable definition of every endpoint.
- [MCP server](https://api.emailvalidation.io/mcp): Hosted Model Context Protocol endpoint — AI agents can call the API as native tools (streamable HTTP, `apikey` header).

## Guides & tutorials
- [How to Validate Email Addresses with Regex](https://emailvalidation.io/blog/regex-email-validation/): Interactive, complete & step-by-step guide on how to validate email addresses with regex (regular expressions). Also contains code samples for the most commpon programming languages.

## Product & features
- [Integrations | Zapier](https://emailvalidation.io/integrations/zapier/): Integrate emailvalidation.io with more than 5000 zapier apps. All it takes is a few clicks.
- [MCP Server for AI Agents | emailvalidation.io](https://emailvalidation.io/mcp/): Connect Claude, Cursor and other AI agents directly to the emailvalidation API through our hosted MCP (Model Context Protocol) server.

## Company
- [Emailvalidation Author: Elisabeth Wieser](https://emailvalidation.io/author/elisabeth-wieser/)
- [Privacy Policy | Emailvalidation.com](https://emailvalidation.io/privacy-policy/)
- [Terms Of Service | Emailvalidation.com](https://emailvalidation.io/terms-of-service/)