Welcome to the Stacklumen app·Your home for web development
Legal

The subprocessor list.

The service providers the platform runs on. Data goes to these and nowhere else.

Effective September 5, 2026

Current providers

  • Webflow — application deployment and delivery (Webflow Cloud), and the marketing site.
  • Cloudflare — the edge infrastructure the application runs on.
  • Supabase — database and file storage.
  • Clerk — authentication and account management.
  • Stripe — payments and billing.
  • Resend — transactional email.

If this list changes in a way that affects your data, we will update this page. Questions: support@stacklumen.com.

These pages are written to be read, and they are the terms we operate by — but they are maintained by the team, not issued as legal advice. If something here matters to a decision you are making, ask your own counsel, and if anything looks wrong or unclear, tell us at support@stacklumen.com.