Legal
PaperJSX Subprocessors
Current third-party subprocessors and service providers used to run PaperJSX.
Why this page exists
PaperJSX is infrastructure, which means some parts of the stack are operated with trusted third-party services. This page lists the vendors that materially participate in delivering the service today.
Current subprocessors
| Subprocessor | Purpose | Region | Notes |
|---|---|---|---|
| Supabase | Authentication, database, and managed storage | USA / Global | — |
| Vercel | Web hosting, serverless compute, and edge delivery | USA / Global | — |
| Paddle | Billing, subscriptions, and merchant-of-record processing | UK / Global | — |
| Resend | Transactional email delivery | USA | — |
| Upstash | Rate limiting, queues, and Redis-backed coordination | USA / Global | — |
| PostHog | Product analytics and usage instrumentation | EU / Global | Used when analytics is enabled. |
Change management
We update this page when our processor footprint changes in a way that materially affects how PaperJSX delivers the service. For questions about a listed vendor or a pending change, contact support@paperjsx.com.
Scope
This page focuses on the third-party services that help PaperJSX run production infrastructure, authentication, billing, delivery, support workflows, and product instrumentation. It is meant to complement the privacy policy and DPA, not replace them.
Need the DPA and privacy policy?
All legal documents are accessible from one place.

