Legal
Privacy Policy
Last updated: January 15, 2026
Overview
At Mailchk, we take your privacy seriously. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our email validation service and website.
Information We Collect
Account Information
When you create an account, we collect:
- Email address
- Name (optional)
- Company name (optional)
- Payment information (processed securely by our payment provider)
Usage Data
We automatically collect certain information when you use our service:
- API request logs (timestamp, endpoint, response status)
- IP address
- Browser type and version
- Pages visited on our website
Email Validation Data
Important: We do not store the email addresses you validate. Email addresses are processed in real-time and immediately discarded after validation. We only retain aggregate statistics (e.g., total validations performed) for billing and analytics purposes.
How We Use Your Information
We use the information we collect to:
- Provide and maintain our service
- Process your transactions and send related information
- Send you technical notices and support messages
- Respond to your comments and questions
- Analyze usage patterns to improve our service
- Detect and prevent fraud or abuse
Data Sharing
We do not sell your personal information. We may share your information with:
- Service providers: Third parties that help us operate our service (e.g., payment processors, hosting providers)
- Legal requirements: When required by law or to protect our rights
- Business transfers: In connection with a merger, acquisition, or sale of assets
Data Retention
We retain your account information for as long as your account is active. You can request deletion of your account and associated data at any time by contacting us at privacy@mailchk.io.
Security
We implement appropriate technical and organizational measures to protect your information, including encryption in transit (TLS) and at rest, regular security audits, and access controls.
Your Rights
Depending on your location, you may have the right to:
- Access your personal information
- Correct inaccurate information
- Delete your information
- Object to or restrict processing
- Data portability
To exercise these rights, contact us at privacy@mailchk.io.
Cookies
We use essential cookies to maintain your session and preferences. We do not use third-party tracking cookies. You can control cookies through your browser settings.
Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new policy on this page and updating the "Last updated" date.