Privacy & Security

Privacy Policy

Last updated: June 2, 2026

Who We Are

Maildeno ("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 visit our website and interact with our email template rendering API services.

1. Information We Collect

Account Information:

Name, email address, company name, and API key information.

Usage Data:

API request logs, template rendering metrics, error rates, and performance data.

Technical Data:

IP address, browser type, operating system, and request headers.

Billing Information:

Payment method details, subscription tier, and transaction history.

2. How We Use Your Information

  • To provide, operate, and maintain our API services.
  • To improve, personalize, and optimize template rendering performance.
  • To process your subscriptions and manage your account.
  • To communicate with you about service updates, security notices, and support.
  • To analyze usage patterns and improve our API infrastructure.
  • To detect and prevent fraud, abuse, or security incidents.
  • To comply with legal obligations and enforce our terms of service.

3. Data Security

We implement industry-standard security measures including encryption at rest and in transit, regular security audits, and access controls. However, no method of transmission over the internet is 100% secure. We continuously update our security practices to protect your data.

4. Data Retention

We retain your account information for as long as your account is active or as needed to provide you services. API logs and usage data are retained for 30 days for performance monitoring and debugging purposes. You may request deletion of your data at any time.

5. Your Data Protection Rights

Depending on your location, you may have the following rights:

  • Right to Access – Request copies of your personal data.
  • Right to Rectification – Correct inaccurate or incomplete information.
  • Right to Erasure – Request deletion of your personal data.
  • Right to Restrict Processing – Limit how we use your data.
  • Right to Data Portability – Transfer your data to another service.

To exercise these rights, contact us at [email protected]

6. Cookies and Tracking

We use essential cookies for authentication and security. You can control cookie settings through your browser preferences. Third-party analytics help us understand API usage patterns to improve our service.

7. Third-Party Services

Our API integrates with various Email Service Providers (ESPs). We only share necessary data with ESPs you authorize. We are not responsible for the privacy practices of third-party ESPs. Review their privacy policies separately.

8. Changes to This Policy

We may update this Privacy Policy to reflect changes in our practices or legal requirements. We will notify you of material changes via email or through a notice on our website.

9. Contact Us

Thank you for trusting Maildeno with your email infrastructure.