Last updated: April 29, 2026
Sub-processors
Sub-processor List
Heylo uses the following sub-processors to provide our services:
| Vendor | Purpose | Location |
|---|---|---|
| Hosting, authentication, push notifications, maps | US | |
| Stripe | Payments and KYC | US / Global |
| Brevo | Email service provider | EU (France) |
| Amazon Web Services | Email service provider | US |
| OpenAI | AI features | US |
| Anthropic | AI features | US |
| Sentry | Error monitoring | US |
| PostHog | Analytics and feature flags | US / EU |
| Fingerprint | Fraud prevention | US / EU |
| Typesense | Search | Configurable |
| Neo4j | Graph database | Configurable |
| Bunny.net | Media storage and delivery | EU (Slovenia) |
| Geoapify | Geolocation | EU (Austria) |
| Apify | Data sourcing | EU (Czech Republic) |
| Vercel | Web hosting | US |
| Expo | Mobile app build and OTA updates | US |
Notes
- Apple Sign-In and Google Sign-In act as independent controllers, not sub-processors. They are disclosed separately in the Privacy Policy.
- For questions about this list, contact support@heylo.com.