# Hunter > Find and verify professional email addresses. Domain search, email finder, and email verification — trusted by 4M+ professionals. ## Website https://hunter.io ## Portal https://hunter.on.xpay.sh ## Get Started 1. Get an API key at https://hunter.on.xpay.sh/account/keys 2. Add the MCP server URL to your client config (Claude, Cursor, Windsurf) 3. Pay per tool call from your XPay wallet ## About Powered by XPay — pay-per-use API access for AI agents. https://xpay.sh