Sub-processors
Last updated October 22, 2026
These are the companies we use to run Prebookk. Each one processes personal information only to provide its service to us, under written terms.
Who we use
| Company | What it does for us | Information it handles | Based in |
|---|---|---|---|
| Supabase | Database and sign-in | Account, booking and customer records; sign-in details | United States |
| Vercel | Application hosting and delivery | Web requests, including IP addresses and logs | United States |
| Stripe | Payment processing and Provider payouts | Payment and payout details; identity verification for Providers | United States, with operations in Canada |
| Resend | Sending email | Recipient email address and message content | United States |
| Twilio | Sending text and WhatsApp messages | Recipient phone number and message content | United States |
| Meta (WhatsApp) | Delivering WhatsApp messages sent through Twilio | Recipient phone number and message content | United States |
| Calendar sync, for Providers who connect it | Calendar ID, access and refresh tokens, event times and titles, and appointments we write to it | United States | |
| Sentry | Error monitoring and session replay | Error data and, for a sample of sessions, a masked recording of page interactions (text and images hidden), which can include an IP address and page URL | United States |
| Upstash | Rate limiting to prevent abuse | IP addresses, used for rate limiting | United States |
What this means
“Based in” is where the company is headquartered. Information may be processed in or accessed from that country and others. Because these companies are based in the United States, your information may be subject to US law. Our Privacy Policy explains what that means for you, and section 11 covers Quebec residents.
We update this page when we add or replace a company that handles personal information. Last updated October 22, 2026. Questions: privacy@prebookk.com