# Cal.com

Cal.com (cal.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/cal-com
- Documents last verified: 2026-09-30
- Transparency rating: 83/100 (how much it publishes, not how secure it is)
- Cite as: Cal.com, Third Party Index, https://thirdpartyindex.com/vendors/cal-com (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Trust center | https://trust.cal.com/ | 2026-09-30 | 2026-09-30 |
| Subprocessor list | https://trust.cal.com/subprocessors | 2026-09-30 | 2026-09-30 |
| Privacy policy | https://cal.com/privacy | 2026-09-30 | 2026-09-30 |
| Terms | https://cal.com/terms | 2026-09-30 | 2026-09-30 |
| Security page | https://cal.com/security | 2026-09-30 | 2026-09-30 |
| security.txt | https://cal.com/.well-known/security.txt | 2026-09-30 | 2026-09-30 |
| Status page | https://status.cal.com/ | 2026-09-30 | 2026-09-30 |

## Subprocessors (19)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| Amazon RDS Postgres | Primary Postgres database for the product | United States | 2026-09-30 |
| [Amazon Web Services (S3)](https://thirdpartyindex.com/vendors/amazon-web-services.md) | File and media storage | United States | 2026-09-30 |
| [Anthropic](https://thirdpartyindex.com/vendors/anthropic.md) | In-product AI assistants (e.g. building routing forms); opt-in AI feature | United States | 2026-09-30 |
| [Cloudflare](https://thirdpartyindex.com/vendors/cloudflare.md) | File and media storage (R2); alternative email transport (configuration-dependent, only one email provider active at a time) | United States | 2026-09-30 |
| [Daily.co](https://thirdpartyindex.com/vendors/daily.md) | Cal Video: video calls, recordings, transcripts | United States | 2026-09-30 |
| [Dub](https://thirdpartyindex.com/vendors/dub.md) | Website and signup attribution (marketing site only, not the app) | United States | 2026-09-30 |
| Google Analytics / Google Tag Manager | Marketing-site traffic measurement (cal.com website only, not the app; outside the EU) | United States | 2026-09-30 |
| [Intercom](https://thirdpartyindex.com/vendors/intercom.md) | Support chat and support tickets | United States | 2026-09-30 |
| [Metabase Cloud](https://thirdpartyindex.com/vendors/metabase.md) | Internal business intelligence and analytics | United States | 2026-09-30 |
| [OpenAI](https://thirdpartyindex.com/vendors/openai.md) | AI meeting notes: summarizing Cal Video transcripts (opt-in AI feature) | United States | 2026-09-30 |
| [PostHog](https://thirdpartyindex.com/vendors/posthog.md) | Product analytics | United States | 2026-09-30 |
| [Retell AI](https://thirdpartyindex.com/vendors/retell-ai.md) | Cal.ai phone agents that place or take calls (opt-in AI feature) | United States | 2026-09-30 |
| [SendGrid (Twilio)](https://thirdpartyindex.com/vendors/sendgrid.md) | Transactional email delivery: confirmations, reminders, invites (active provider for cal.com) | United States | 2026-09-30 |
| [Slack](https://thirdpartyindex.com/vendors/slack.md) | Internal and external communication | United States | 2026-09-30 |
| [Stripe](https://thirdpartyindex.com/vendors/stripe.md) | Subscriptions, checkout, invoices, and customer-collected booking payments | United States | 2026-09-30 |
| [Twilio](https://thirdpartyindex.com/vendors/twilio.md) | SMS and WhatsApp reminders, phone verification, phone number lookup | United States | 2026-09-30 |
| [Vercel](https://thirdpartyindex.com/vendors/vercel.md) | Hosting and CDN for the app and website; website analytics | United States | 2026-09-30 |
| 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 | 2026-09-30 |
| X (Twitter) Ads | Ad measurement (marketing site only, not the app) | United States | 2026-09-30 |

Read from ([evidence](https://thirdpartyindex.com/evidence/23035)). CSV: https://thirdpartyindex.com/vendors/cal-com/subprocessors.csv

## Listed as a subprocessor by (2)

Tracked vendors whose own subprocessor lists name it, and what they say they use it for.

- [Breakout](https://thirdpartyindex.com/vendors/breakout.md): Collaboration & Productivity
- [Pin](https://thirdpartyindex.com/vendors/pin.md): Scheduling software with Pin employees

## Security contact

From its security.txt (https://cal.com/.well-known/security.txt):

- Contact: https://github.com/calcom/cal.com/security/advisories
- Disclosure policy: https://cal.com/security

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Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api