WatchCat uses the following third-party subprocessors to deliver the Service. These companies may process personal data on our behalf. We update this list when we add or remove subprocessors.
Core subprocessors
These subprocessors are active for all customers and are required to operate the Service.
| Processor |
Purpose |
Data processed |
Location |
| Sentry |
Error tracking |
Error data, stack traces, request context |
EU (Germany) |
| LetterMint |
Transactional email delivery |
Email addresses, email content |
EU |
| Hetzner Object Storage (Hetzner Online GmbH) |
File and attachment storage |
User-uploaded files |
EU (Germany) |
| Umami Analytics |
Website analytics |
Page views, anonymized visitor data |
EU (self-hosted, no third party) |
| Stripe (Stripe, Inc.) |
Payment processing |
Billing data, payment method details |
USA / global |
User-configured notification integrations
These subprocessors are only engaged when you explicitly configure a notification integration in your account settings.
Alert content (monitor name, status, timestamps) is sent to the destination you configure.
| Integration |
Purpose |
Location |
| Slack (Slack Technologies LLC) |
Alert delivery to Slack channels |
USA |
| Discord (Discord Inc.) |
Alert delivery to Discord channels |
USA |
| Google Chat (Google LLC) |
Alert delivery to Google Chat spaces |
USA |
| Telegram |
Alert delivery to Telegram chats |
UAE / varies |
| Custom webhooks |
Alert delivery to user-defined endpoints |
User-defined |
Payments
We use Stripe to securely process payments.
Stripe acts as an independent payment processor and may process billing data outside the EU.
Important: Monitoring data and system data handled by WatchCat are hosted and processed exclusively within the EU.
Transfers outside the EU
Some subprocessors are located outside the European Union (marked "USA" above).
For these transfers, appropriate safeguards are applied, such as Standard Contractual Clauses (SCCs) as provided under GDPR Article 46.
Changes to this list
We update this page when we add or remove subprocessors. The "Last updated" date at the top reflects the most recent change.
For questions, contact us at:
[email protected]