BackPrivacy Policy
Last updated: March 2026
1. What we collect
- Bill type, provider name, and monthly amount you enter in the form
- If you upload a bill photo: used only to pre-fill your form, never stored after script generation
- Email address if you voluntarily enter it for renewal reminders
- Anonymous usage count per IP address to enforce the free tier
- We do NOT collect: banking credentials, account numbers, passwords, or any financial account access
2. How we use it
- To generate your negotiation script via Claude AI (Anthropic)
- To send you renewal reminders if you opted in
- To improve script quality using aggregated, anonymous outcome data (e.g. "Bell users saved avg $X")
- We never sell your data to third parties
3. Third parties
- Anthropic — AI script generation (no data retained by Anthropic)
- Stripe — payment processing (we never see your card number)
- Upstash Redis — temporary session data storage
- Resend — email delivery for reminders you requested
- Vercel — hosting
4. Data retention
- Bill photos: deleted immediately after script generation
- Form inputs: not stored after your session ends
- Email addresses: stored only if you opt in to reminders, deletable on request at hello@billwin.ca
5. Your rights
- Request deletion of your email at any time: hello@billwin.ca
- BillWin never requires a bank login or account connection