Legal

Subprocessors

Last updated: June 23, 2026

Classroom Labs, Inc. uses the following subprocessors to provide the Classroom.so Service. These vendors may process personal information on our instructions as described in our Privacy Policy and Data Processing Agreement.

We review vendors for appropriate security and contractual protections. We will update this page when we add or materially change subprocessors.

Notify us of objections: legal@classroom.so (see the DPA for objection rights where applicable).

Infrastructure and hosting

| Subprocessor | Purpose | Location / notes | | --- | --- | --- | | Vercel Inc. | Application hosting, edge delivery, deployment | United States; may process globally | | PostgreSQL provider (e.g. Neon, Supabase, or self-managed) | Primary application database | As configured for your deployment region |

Payments and billing

| Subprocessor | Purpose | Location / notes | | --- | --- | --- | | Stripe, Inc. | Payment processing, subscriptions, invoicing | United States; global processing for payments |

Communications

| Subprocessor | Purpose | Location / notes | | --- | --- | --- | | Plunk (or configured email API) | Transactional email (invitations, receipts, security notices) | As per provider | | Amazon Web Services (AWS) | SMS one-time passcodes for phone authentication | Region configured in deployment |

AI and automation

| Subprocessor | Purpose | Location / notes | | --- | --- | --- | | OpenAI, L.L.C. | AI-assisted chat and text generation when enabled on eligible plans | United States; data handled per provider terms and our configuration |

Security, storage, and observability

| Subprocessor | Purpose | Location / notes | | --- | --- | --- | | Cloudflare, Inc. | Turnstile captcha, CDN/DNS where used | Global | | S3-compatible storage (e.g. Cloudflare R2, AWS S3) | File and document storage for uploads | As configured | | Sentry (optional) | Error monitoring and performance diagnostics | United States / EU options per configuration |

Analytics (marketing site)

| Subprocessor | Purpose | Location / notes | | --- | --- | --- | | Vercel Analytics / Speed Insights | Aggregated usage and performance metrics on Vercel deployments | Loaded only with cookie consent on the marketing site |

Authentication

| Subprocessor | Purpose | Location / notes | | --- | --- | --- | | Google LLC | OAuth sign-in when users choose "Continue with Google" | Global |

Changes

We may update subprocessors as we improve the Service. Material changes will be reflected on this page. Enterprise customers may subscribe to change notifications by contacting legal@classroom.so.

Questions

  • Subprocessor list: legal@classroom.so
  • Privacy: privacy@classroom.so
  • General: Contact