Subprocessors
Effective October 16, 2026
These are the companies that process personal data to provide ValidationCheck. Each is bound by data protection terms at least as protective as our DPA. We give at least 30 days' notice before adding or replacing one; to get notices, make sure an account owner's email is current, or email support@validationcheck.net.
| Company | What it does for us | Data |
|---|---|---|
| Cloudflare | Hosting, database, network, and security for the website, dashboard, and API | All Customer Data and account data |
| Stripe | Payments, invoices, and tax | Billing contact details and payment information |
| Resend | Sending account and alert emails | Account email addresses and email contents |
| MillionVerifier | Mailbox checks for email validation | Email addresses you check |
| Reoon | Second opinion on uncertain mailboxes (when enabled) | Email addresses you check |
| Telnyx | Phone carrier and line-type lookups | Phone numbers you check |
| proxycheck.io | IP location and VPN / proxy detection | IP addresses you check |
| IPinfo | IP location fallback (when enabled) | IP addresses you check |
| Google, GitHub | Sign-in, only if you choose it | Name and email address from that account |
Last updated October 16, 2026.