Cal.com
Subprocessors
19 third parties. CSVof Cal.com's subprocessors · Atom
| Name | Purpose | Location | Listed since |
|---|---|---|---|
| Amazon RDS Postgres | Primary Postgres database for the product | United States | |
| Amazon Web Services (S3) | File and media storage | United States | |
| Anthropic AI | In-product AI assistants (e.g. building routing forms); opt-in AI feature | United States | |
| Cloudflare | File and media storage (R2); alternative email transport (configuration-dependent, only one email provider active at a time) | United States | |
| Daily.co | Cal Video: video calls, recordings, transcripts | United States | |
| Dub | Website and signup attribution (marketing site only, not the app) | United States | |
| Google Analytics / Google Tag Manager | Marketing-site traffic measurement (cal.com website only, not the app; outside the EU) | United States | |
| Intercom | Support chat and support tickets | United States | |
| Metabase Cloud | Internal business intelligence and analytics | United States | |
| OpenAI AI | AI meeting notes: summarizing Cal Video transcripts (opt-in AI feature) | United States | |
| PostHog | Product analytics | United States | |
| Retell AI | Cal.ai phone agents that place or take calls (opt-in AI feature) | United States | |
| SendGrid (Twilio) | Transactional email delivery: confirmations, reminders, invites (active provider for cal.com) | United States | |
| Slack | Internal and external communication | United States | |
| Stripe | Subscriptions, checkout, invoices, and customer-collected booking payments | United States | |
| Twilio | SMS and WhatsApp reminders, phone verification, phone number lookup | United States | |
| Vercel | Hosting and CDN for the app and website; website analytics | United States | |
| Whop | Whop Payments is a global payment-processing platform that powers Cal Pay, which is a core part of Cal.com's payments offering. | United States | |
| X (Twitter) Ads | Ad measurement (marketing site only, not the app) | United States |
Listed as a subprocessor by (2)
Changes
None since tracking began.