Sub-processors
Last updated: February 24, 2026
StackTidy uses the following sub-processors to provide our service. We notify customers of changes to this list at least 30 days in advance, as described in our Data Processing Agreement.
Current Sub-processors
| Sub-processor | Purpose | Data Processed | Location |
|---|---|---|---|
| Supabase (AWS) | Database hosting, authentication | Account data, subscriptions, email metadata | US (us-east-1) |
| Vercel | Application hosting, edge functions | Request data, session tokens | Global (edge), US (functions) |
| OpenAI | AI email parsing, overlap detection, chat | Email content (transient), subscription data | US |
| Stripe | Payment processing | Billing info, payment methods | US/EU |
| Resend | Transactional email delivery | Email addresses, notification content | US |
| Upstash | Rate limiting, caching | Request metadata (IP hashes) | US |
| PostHog | Product analytics (with consent) | Usage events, anonymized interactions | US |
Supabase (AWS)
- Purpose
- Database hosting, authentication
- Data Processed
- Account data, subscriptions, email metadata
- Location
- US (us-east-1)
Vercel
- Purpose
- Application hosting, edge functions
- Data Processed
- Request data, session tokens
- Location
- Global (edge), US (functions)
OpenAI
- Purpose
- AI email parsing, overlap detection, chat
- Data Processed
- Email content (transient), subscription data
- Location
- US
Stripe
- Purpose
- Payment processing
- Data Processed
- Billing info, payment methods
- Location
- US/EU
Resend
- Purpose
- Transactional email delivery
- Data Processed
- Email addresses, notification content
- Location
- US
Upstash
- Purpose
- Rate limiting, caching
- Data Processed
- Request metadata (IP hashes)
- Location
- US
PostHog
- Purpose
- Product analytics (with consent)
- Data Processed
- Usage events, anonymized interactions
- Location
- US
Change Log
No changes in the last 12 months.
Notifications
To receive notifications about sub-processor changes, contact legal@stacktidy.com.