Subprocessor summary

Last updated: 3 October 2026.

Shadow Accountant uses these processors to run the product:

• Supabase — authentication, Postgres database, and private file storage.
• OpenAI — optional document field extraction when an API key is configured. Original files stay in private storage.
• Vercel — application hosting and edge delivery.

Google Sheets is an optional user-connected integration. It is not enabled unless you authorize it.