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Last updated: 16 October 2026
These companies process personal data for Birch to run the service. We give customers 30 days' notice by email before adding one.
| Company | What it does for Birch | Location |
|---|---|---|
| Railway | Hosts the Birch app, API and databases | United States (US West) |
| Google Cloud (Cloud Storage) | Stores uploaded documents | On request |
| Vercel | Hosts the birchspace.co website | United States |
| Resend | Sends email, including sign-in codes and notifications | United States |
| Stripe | Payment processing and billing (India and US) | United States |
| Flame Truck Parking (affiliated H3 company) | Optional sign-in with an FTP account | United States |