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Privacy Policy

Last updated: June 2026

The short version — plain English

  • We do not store your messages on our servers unless you are logged in and have history enabled
  • We never sell your data to anyone
  • We never use your inputs to train AI models
  • We collect only what we need to run the service
  • You can delete your account and all data at any time

1. Who this applies to

This Privacy Policy applies to all users of Undrunk, accessible at undrunk.xyz. By using the service, you agree to the collection and use of information as described here.

2. What we collect

Account information — if you create an account, we collect your email address. If you sign in with Google, we receive your name and email from Google. We do not store passwords — authentication is handled by Supabase via magic links or OAuth.

Usage data — we track how many messages you have generated to enforce the free tier limit. This is a count only — not the content of your messages.

Payment information — payments are processed by Dodo Payments. We do not store your card details. We receive confirmation of payment status and your email address from Dodo to activate your subscription.

Message content — the situation you describe and the messages generated are processed in real time and are not stored on our servers unless:

  • You are logged in and your session history is enabled (stored in your browser's sessionStorage — cleared when you close the tab)
  • You explicitly save a message (if this feature is enabled)

Technical data — we collect standard server logs including IP addresses, browser type, and pages visited. This is used for security monitoring and rate limiting only.

3. What we do not collect

  • We do not collect the content of messages you generate unless you have explicitly saved them
  • We do not collect your name unless you provide it
  • We do not collect any information about the people you are writing to
  • We do not use tracking pixels or invasive analytics
  • We do not build advertising profiles

4. How we use your data

We use the information we collect to:

  • Provide and maintain the service
  • Enforce the free tier usage limit
  • Process and verify payments
  • Send account-related emails (login links, payment receipts)
  • Monitor for abuse and enforce rate limits
  • Improve the service based on aggregate, anonymised usage patterns

5. AI and your data

Your message inputs are sent to Anthropic's Claude API to generate responses. Anthropic processes these inputs according to their own privacy policy.

We do not use your inputs to train any AI model — ours or anyone else's. Your situations and messages are not used as training data.

Anthropic's data usage policy is available at anthropic.com/privacy.

6. Data sharing

We do not sell your personal data. We share data only with the following third parties, strictly to operate the service:

  • Supabase — authentication and database (stores your email and usage count)
  • Anthropic — AI message generation (processes your input in real time)
  • Dodo Payments — payment processing (handles your card details and subscription)
  • Vercel — hosting and serverless functions (processes requests, logs errors)

All third parties are bound by their own privacy policies and data processing agreements.

7. Data retention

We retain your account data for as long as your account is active. If you delete your account, we delete your personal data within 30 days, except where we are required by law to retain it (for example, payment records for tax compliance).

Session data stored in your browser is cleared automatically when you close the tab.

8. Your rights

You have the right to:

  • Access the personal data we hold about you
  • Request correction of inaccurate data
  • Request deletion of your account and personal data
  • Export your data in a portable format
  • Withdraw consent for data processing at any time

To exercise any of these rights, email us at hello@undrunk.xyz. We will respond within 30 days.

9. Cookies

We use only essential cookies required to operate the service — specifically, authentication session cookies managed by Supabase. We do not use advertising cookies or third-party tracking cookies.

10. Security

We take security seriously. Measures we have in place include:

  • All data transmitted over HTTPS
  • API keys stored server-side only, never in browser code
  • Row Level Security on all database tables
  • Rate limiting to prevent abuse
  • No storage of payment card details (handled entirely by Dodo Payments)

No system is perfectly secure. If you discover a security vulnerability, please report it to hello@undrunk.xyz.

11. Children

Undrunk is not intended for users under 18 years of age. We do not knowingly collect personal information from children. If we become aware that a child has provided us with personal information, we will delete it promptly.

12. International users

Undrunk is operated from India. If you are accessing the service from outside India, your data may be transferred to and processed in India and in the countries where our service providers operate (including the United States, where Anthropic and Vercel are based).

By using the service, you consent to this transfer.

13. Changes to this policy

We may update this Privacy Policy from time to time. We will notify registered users of material changes by email. The date at the top of this page indicates when it was last updated.

14. Contact

If you have questions about this Privacy Policy or how we handle your data, contact us at hello@undrunk.xyz.

Privacy questions? Email hello@undrunk.xyz — we respond within 2 business days. For data deletion requests, we act within 30 days.

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