Subprocessors
Last updated: March 1, 2026
Stillway uses trusted third-party service providers ("subprocessors") to help deliver our services. This page lists all subprocessors that may process personal data on behalf of Stillway.
We update this list when we add or remove subprocessors and notify affected parties as required by our Data Processing Agreement.
Current Subprocessors
Infrastructure
| Subprocessor | Purpose | Location | Privacy Policy | |--------------|---------|----------|----------------| | Amazon Web Services (AWS) | Cloud hosting, database, storage, networking | United States | aws.amazon.com/privacy |
Payments
| Subprocessor | Purpose | Location | Privacy Policy | |--------------|---------|----------|----------------| | Stripe, Inc. | Payment processing, billing | United States | stripe.com/privacy |
Communications
| Subprocessor | Purpose | Location | Privacy Policy | |--------------|---------|----------|----------------| | Twilio Inc. | SMS notifications, appointment reminders | United States | twilio.com/legal/privacy | | Twilio SendGrid | Email notifications, transactional email | United States | sendgrid.com/policies/privacy |
AI Services
| Subprocessor | Purpose | Location | Privacy Policy | |--------------|---------|----------|----------------| | OpenAI, L.L.C. | AI-assisted booking via ChatGPT | United States | openai.com/privacy |
Analytics and Monitoring
| Subprocessor | Purpose | Location | Privacy Policy | |--------------|---------|----------|----------------| | Datadog, Inc. | Application monitoring, error tracking | United States | datadoghq.com/legal/privacy |
Changes to This List
We will:
- Add subprocessors to this page at least 30 days before they begin processing data.
- Notify providers by email at least 30 days in advance of new subprocessors.
- Remove subprocessors from this list within 30 days of them ceasing to process data.
Providers who have executed our DPA may object to a new subprocessor within 14 days of notification. See the Data Processing Agreement for details.
Contact
For questions about our subprocessors or data processing practices: privacy@stillway.ai