Terms of Service

Last updated: January 2026

This is a placeholder terms of service page. The full terms will cover: account registration and API key usage, acceptable use policies (no sending spam, no harvesting verified emails for resale), service level agreements, payment terms, limitation of liability, and termination conditions.

OpenGuardianu2019s email verification services are provided for legitimate list-cleaning and signup-validation purposes only. Using OpenGuardian to verify addresses for unsolicited commercial email is a violation of our terms.