Verify an email

email.verify
Add to your agent
The address to check
Log in to run it
Results appear here

Provider

ContactOutyour key

Use it from your agent

View schema →
Once Opentools is connected, just ask your agent:
“Is jane.doe@example.com a real inbox?”
Connect Claude, Cursor or another MCP client →

Often used with

Phone numberslookup.phoneValidate and format numbers.Validate IBANlookup.ibanCheck IBANs offline.EU VAT checklookup.vatValidate a VAT number with VIES.Exchange rateslookup.fxECB rates, latest or historical.