Here is a list of subprocessors used by Tightknit to process customer data.

- **Cloudflare** — Serverless, CDN (USA) — [https://cloudflare.com](https://cloudflare.com)
- **Vercel** — Site hosting (USA) — [https://vercel.com](https://vercel.com)
- **Supabase** — Postgres hosting (USA) — [https://supabase.com](https://supabase.com)
- **Slack** — Team comms (USA) — [https://slack.com](https://slack.com)
- **OpenAI** — AI processing (USA) — [https://openai.com](https://openai.com)
- **Stripe** — Payments (USA) — [https://stripe.com](https://stripe.com)
- **Schematic** — Entitlements (USA) — [https://schematichq.com](https://schematichq.com)
- **Svix** — Webhooks (USA) — [https://www.svix.com](https://www.svix.com)
- **Sentry** — Error logging (USA) — [https://sentry.io](https://sentry.io)
- **PostHog** — Product analytics (USA) — [https://posthog.com](https://posthog.com)
- **Axiom** — Log management (USA) — [https://www.axiom.co](https://www.axiom.co)
- **GitHub** — Version control (USA) — [https://github.com](https://github.com)
- **Linear** — Issue tracking (USA) — [https://linear.app](https://linear.app)
- **Google** — Collaboration (USA) — [https://workspace.google.com](https://workspace.google.com)
- **WorkOS** — Authentication and identity (USA) — [https://workos.com](https://workos.com)
- **Auth0 *****(Optional)*** — SAML SSO authentication (USA) — [https://auth0.com](https://auth0.com)

*Subprocessors marked as "Optional" are only used when a customer enables the related feature (e.g., Auth0 is used solely to deliver SAML single sign-on for customers who configure SSO).*