Subprocessor List
Version 0.9 · Effective 2026-05-17
Live list of subprocessors that handle personal information on behalf of BookTarot.
| Subprocessor | Purpose | Location |
|---|---|---|
| Vercel Inc. | Hosting, edge network, CDN | United States |
| Supabase Inc. | Database, authentication, file storage | United States / EU |
| Cloudflare Inc. | DNS, WAF, geo, DDoS protection, R2 storage | Global |
| Stripe Inc. | Payments, payouts, Connect, Tax | United States / Global |
| LiveKit Inc. | Video calling infrastructure | Global edge |
| Resend Inc. | Transactional email | United States |
| Twilio Inc. | SMS notifications | United States |
| MaxMind | IP geolocation fallback | United States |
| Sentry | Error monitoring | United States / EU |
| PostHog | Product analytics (server-side, cookieless by default) | EU |
| OpenAI | Content moderation | United States |
We notify customers of changes to this list and provide an objection window for material changes.
Subprocessor changes: subprocessors@booktarot.com