Table of contents

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1. Overview
BookOS uses subprocessors to provide secure infrastructure, payments, analytics, and AI features. We maintain contracts that require appropriate security and confidentiality protections.
2. Current service providers
Cloud infrastructure
Hosting and secure storage
Application delivery
Fast, reliable app delivery
Payments & billing
Billing and bank connections
Receipt scanning
Automated receipt extraction
AI assistance
Summaries and analysis
Reliability monitoring
Error monitoring and diagnostics
Performance protection
Abuse protection and caching
3. Updates
We may update this list as our vendors change. Material updates will be communicated through the platform or by request.

Version history

Track changes over time
v1.0Initial publication · Jan 30, 2026