Subprocessors
Version 1.0 – Last updated April 20, 2026
Seshn engages the third-party service providers listed below ("subprocessors") to help deliver the Service. This list is maintained in accordance with GDPR Article 28 and our tenant Platform Terms.
Notification of changes: We will provide 30 days' prior written notice to business subscribers before engaging any new subprocessor. For more on how we handle your personal information, see our Privacy Policy.
Expo
- Purpose
- Mobile push notifications
- Data categories
- Push notification tokens, notification content
- Location
- US
Firebase (Google)
- Purpose
- Authentication and user identity
- Data categories
- Email, auth tokens, user IDs
- Location
- US
Google Cloud Platform
- Purpose
- Infrastructure hosting (GKE, Cloud SQL, Cloud Storage, Cloud Logging)
- Data categories
- All platform data
- Location
- US (us-central1)
Google Maps Platform
- Purpose
- Location and directions for venues
- Data categories
- Location coordinates (no PII)
- Location
- US
Resend
- Purpose
- Transactional and marketing email delivery
- Data categories
- Email addresses, notification content
- Location
- US
Sentry (Functional Software, Inc.)
- Purpose
- Error monitoring and crash reporting
- Data categories
- Stack traces, browser/device metadata (PII auto-scrubbed before transmission)
- Location
- US
Stripe
- Purpose
- Payment processing and Connect payouts
- Data categories
- Customer name, email, payment method data
- Location
- US
Twilio
- Purpose
- SMS notifications
- Data categories
- Phone numbers, SMS message content
- Location
- US
International Transfers
All subprocessors listed above process data in the United States. For transfers of personal data from the European Union or European Economic Area, we rely on Standard Contractual Clauses (SCCs) included in each subprocessor's Data Processing Addendum, supplemented by additional safeguards where appropriate.
Questions
For questions about this list or to request a copy of our Data Processing Addendum, contact us at privacy@seshn.io.