legal /subprocessors Subprocessors

Last updated: March 23rd, 2026

Infrastructure & Hosting

Subprocessor Purpose
Cloudflare Object storage (R2), edge compute (Workers, Durable Objects, KV), static hosting (Pages)
MongoDB Primary application database
Fly.io Application hosting and compute
Redis Caching and real-time pub/sub

Authentication

Subprocessor Purpose
WorkOS User authentication, SSO, and session management

Payments

Subprocessor Purpose
Stripe Billing, subscriptions, and payment processing

Analytics & Monitoring

Subprocessor Purpose
PostHog Product analytics and usage tracking
Sentry Error tracking and performance monitoring

Communications

Subprocessor Purpose
Resend Transactional email delivery
Plain Customer support and feedback management

AI & Machine Learning

Subprocessor Purpose
Anthropic AI-powered features
OpenAI AI-powered features
Google Gemini AI-powered design generation
Replicate AI image generation

Desktop Distribution

Subprocessor Purpose
ToDesktop Desktop app packaging, updates, and distribution

Corporate Tools

Subprocessor Purpose
Google Workspace Email, document storage, and internal collaboration
Slack Internal team communication and incident response
Linear Issue tracking and project management
Notion Internal documentation and knowledge base

CI/CD & Development

Subprocessor Purpose
GitHub Source control, CI/CD pipelines (Actions)

If you have questions about our subprocessors or data processing practices, contact us at operations@paper.design.