Subprocessors
The third parties that process personal data on behalf of WorkSlate to deliver the Services, as referenced in our Data Processing Addendum and AI Addendum.
Last updated May 23rd, 2026. Each subprocessor is bound by its own data processing agreement with WorkSlate, and those protections flow through to customers under our Data Processing Addendum.
| Subprocessor | Purpose | Category |
|---|---|---|
| Vercel | Application hosting and edge compute | Infrastructure |
| Supabase | Database, authentication, and file storage | Infrastructure |
| Stripe | Platform subscription billing and customer payment processing (Stripe Connect) | Payments |
| Resend | Transactional email delivery | Communications |
| Twilio | SMS messaging delivery | Communications |
| Anthropic | AI model inference (Claude API) powering AI-assisted features | AI |
| Sentry | Error and performance monitoring | Observability |
| PostHog | Product analytics (browser traffic is routed through a first-party reverse proxy) | Analytics |
| Intuit (QuickBooks Online) | Accounting sync — active only when a customer connects their own QuickBooks account | Optional integration |