| Cloudflare, Inc. | Hosting, database and file storage, content delivery, security (Turnstile), and AI inference for the optional AI Assistant (Workers AI) | All Service data: accounts, organization and course content, enrollments and progress, uploaded files; AI Assistant messages and course content when an admin uses it | United States (database); global edge network |
| Zoho Corporation (ZeptoMail) | Transactional email: invitations, sign-in links, reminders and notifications | Recipient name and email address, email content | United States (storage) |
| Resend, Inc. | Standby transactional email, used only if ZeptoMail is unavailable | Recipient name and email address, email content | United States |
| PostHog, Inc. | Product analytics | Pseudonymous user ID, email domain, role, organization ID, name and plan, usage events (text masked), shortened IP address | United States |
| Zoho Corporation (Zoho CRM) | Our relationship with customer organizations: trial follow-up, account management | Organization owner and admin names and email addresses; organization name, plan, trial dates and summary usage | United States (storage) |
| Zoho Corporation (Zoho Desk) | Support tickets | Name, email address and organization of the person writing to us, and their message | United States (storage) |
| Stripe, Inc. | Payments for paid plans | Billing contact and payment details (entered directly with Stripe) | United States |