Contact us

Email is the fastest way to reach us. We respond within one business day.

General & sales

Questions about the product, pricing, or onboarding.

hello@mailchecked.com

Support

Issues with verifications, the API, your dashboard, or your account.

support@mailchecked.com

Billing

Refunds, invoices, VAT, payment methods.

billing@mailchecked.com

Privacy & data requests

Data subject access requests, DPA counter-signatures, GDPR queries.

privacy@mailchecked.com

Security disclosure

Found a vulnerability? Please report responsibly. We acknowledge within 48 hours.

security@mailchecked.com

Abuse reports

Report a customer using MailChecked in violation of our AUP.

abuse@mailchecked.com

Before you email

  • Most questions are answered in our FAQ, API docs, and pricing page.
  • For account-specific issues, email from the address on your account so we can verify your identity quickly.
  • Please include your account email, invoice number (for billing), or request ID (for API issues) — it speeds things up.