Privacy Policy

What we collect

WhichCard collects only what is necessary to provide the service:

• Your Google account email and name (for sign-in)
• The credit cards you choose to add to your wallet
• Your card preference selections (e.g. chosen reward category)

What we do NOT collect

• Credit card numbers, CVVs, or any financial account details
• Your browsing history or full URLs
• Any page content from sites you visit
• Your location

Chrome Extension

The WhichCard Chrome extension reads only the domain name of the website you are currently visiting (e.g. "amazon.com") to identify the merchant and recommend the best card. It does not read page content, form data, or full URLs.

How we use your data

Your data is used solely to power the card recommendation engine. We do not sell, share, or monetize your personal information in any way.

Data storage

Your data is stored securely using Supabase (PostgreSQL). Authentication is handled by Google OAuth via Supabase Auth.

Deleting your data

You can remove your cards at any time from the dashboard. To delete your account entirely, contact us at hello@whichcard.xyz.

Contact

Questions? Email us at hello@whichcard.xyz.