Terms of Service

Overview

These Terms of Service govern your use of EVADDON, also called Email Verification Add-on, operated by Duffco Ventures LLC. By installing or using the add-on, you agree to these terms.

Service description

EVADDON helps users verify email addresses from Google Sheets, including single checks, asynchronous bulk processing, and prepaid credit purchases.

Acceptable use

• You may use EVADDON only in compliance with applicable law and Google Workspace terms.
• You are responsible for the data you submit for verification and for ensuring you have the right to process it.
• You may not use EVADDON to abuse third-party systems, violate privacy rights, or interfere with the service.

Billing and credits

• One credit equals one email verification.
• Credits may be granted as signup credits, promotional credits, or paid credits.
• Paid credits are sold as prepaid packages through Stripe.
• Prices and package sizes may change over time.
• Unless required by law, purchased credits are non-refundable once they have been delivered to your account.

Third-party services

EVADDON relies on third-party infrastructure such as Google Workspace, Firebase, Stripe, and email verification providers. Service availability may depend on those providers.

Disclaimer and liability

EVADDON is provided on an as-available basis. We do not guarantee uninterrupted operation or that every verification result will match your intended business outcome. To the maximum extent permitted by law, Duffco Ventures LLC will not be liable for indirect, incidental, special, consequential, or punitive damages arising from use of the service.

Changes and contact

We may update these terms from time to time. Continued use of EVADDON after updated terms are posted constitutes acceptance of the revised terms. For questions, contact ryan@emailverificationaddon.com.