# 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](mailto:operations@paper.design).