Privacy Policy
Last updated: February 2026
What We Collect
- Email address and name (provided during sign-up)
- Usage data: questions asked, answers generated, features accessed
- Device and browser information (user agent, screen size)
- Authentication tokens (managed by Supabase)
How We Use Your Data
- Provide and improve the Dwij service
- Send transactional emails (welcome, retention, waitlist confirmation)
- Analyze usage patterns to improve product quality
- Enforce rate limits and subscription tiers
Third-Party Services
We use the following third-party services to operate Dwij. Each has its own privacy policy:
- Supabase (database & authentication) — supabase.com/privacy
- Google (OAuth sign-in) — policies.google.com/privacy
- Vercel (hosting) — vercel.com/legal/privacy-policy
- PostHog (analytics) — posthog.com/privacy
- Resend (email) — resend.com/legal/privacy-policy
- Google Cloud / Vertex AI (AI processing) — cloud.google.com/terms/cloud-privacy-notice
Data Retention
Your account data, questions, and generated answers are retained as long as your account is active. You may request deletion of your data at any time.
Your Rights
You have the right to request a copy of your data or request deletion of your account and all associated data. To exercise these rights, email us at privacy@dwij.io.
Cookies
Dwij uses essential cookies for authentication only. We do not use advertising or tracking cookies. PostHog analytics uses local storage for anonymous usage tracking.
Contact
For privacy-related inquiries, contact us at privacy@dwij.io.