Privacy Policy

Last updated: February 16, 2026

1. Information We Collect

CardStack collects limited information to operate our website and improve your experience:

Usage Data: Pages visited, time on site, referring URLs, and device/browser information collected via Google Analytics.
Email Address: Only if you voluntarily subscribe to our newsletter.
Cookies: We use essential cookies for site functionality and analytics cookies to understand usage patterns.

2. How We Use Information

To operate and improve the website
To send newsletter updates (only if subscribed)
To analyze site traffic and user behavior in aggregate

We do not sell your personal information to third parties.

3. Third-Party Services

We use the following third-party services that may collect data:

Google Analytics: Web analytics service. Google Privacy Policy
Vercel: Website hosting. Vercel Privacy Policy
Credit Card Issuers: When you click affiliate links, you leave our site and are subject to the issuer's privacy policy.

4. Affiliate Links

CardStack may earn compensation when you click links to credit card products and submit applications. This compensation helps fund the operation of our site. Clicking an affiliate link takes you to the card issuer's website, where their privacy policy applies.

5. Data Retention

Analytics data is retained for 14 months. Email addresses are retained until you unsubscribe. We do not retain any financial information.

6. Your Rights

You may:

Opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on
Unsubscribe from our newsletter at any time via the link in any email
Request deletion of your data by contacting us

7. California Privacy Rights (CCPA)

California residents have the right to know what personal information is collected, request deletion, and opt out of the sale of personal information. We do not sell personal information. To exercise your rights, contact us at privacy@cardstack.co.

8. Children's Privacy

Our website is not intended for children under 18. We do not knowingly collect information from children.

9. Changes

We may update this policy from time to time. Changes will be posted on this page with an updated date.

10. Contact

For privacy questions, contact us at privacy@cardstack.co.