Privacy Policy
Last updated: 10/17/2025
1. Introduction
MailSync ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our service that synchronizes your Stripe customer data with Brevo email marketing platform.
By using MailSync, you agree to the collection and use of information in accordance with this policy.
2. Information We Collect
2.1 Information You Provide
- Stripe account information and API keys
- Brevo account information and API keys
- Contact information when you reach out to us
- Account preferences and configuration settings
2.2 Data We Process
- Customer data from your Stripe account (names, emails, subscription status)
- Email marketing data in your Brevo account
- Sync logs and operation status
- Usage analytics and performance metrics
2.3 Automatically Collected Information
- Usage patterns and service performance data
- Error logs and debugging information
- IP addresses and browser information
3. How We Use Your Information
We use the collected information to:
- Provide and maintain our synchronization service
- Keep your customer data synchronized between Stripe and Brevo
- Monitor service performance and reliability
- Provide customer support and respond to inquiries
- Improve our service and develop new features
- Comply with legal obligations
4. Data Sharing and Disclosure
We do not sell, trade, or otherwise transfer your personal information to third parties except:
- To provide our core service (synchronizing data between Stripe and Brevo)
- When required by law or to protect our rights
- With your explicit consent
- To trusted service providers who assist in operating our service (under strict confidentiality agreements)
5. Data Security
We implement appropriate security measures to protect your information against unauthorized access, alteration, disclosure, or destruction. This includes:
- Encryption of data in transit and at rest
- Secure API key storage and management
- Regular security audits and updates
- Access controls and authentication
- Monitoring and logging of data access
6. Data Retention
We retain your information only as long as necessary to provide our services and comply with legal obligations. Specifically:
- Account data is retained while your account is active
- Sync logs are retained for up to 2 years for troubleshooting and support
- API keys are stored securely and can be revoked at any time
- We may retain certain data longer if required by law
7. Your Rights
You have the right to:
- Access your personal information
- Correct inaccurate or incomplete data
- Delete your account and associated data
- Withdraw consent for data processing
- Export your data in a portable format
- Object to certain processing activities
To exercise these rights, please contact us at privacy@mailsync.com.
8. Third-Party Services
Our service integrates with Stripe and Brevo. Please review their respective privacy policies:
9. International Data Transfers
Your data may be transferred to and processed in countries other than your own. We ensure appropriate safeguards are in place to protect your data in accordance with applicable data protection laws.
10. Children's Privacy
Our service is not intended for individuals under 16 years of age. We do not knowingly collect personal information from children under 16.
11. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date. You are advised to review this Privacy Policy periodically for any changes.
12. Contact Us
If you have any questions about this Privacy Policy or our data practices, please contact us: