Sub-Processor List
Third-party service providers used by Lettivo to deliver the platform, as referenced in the Data Processing Agreement.
Last updated: March 2026
Lettivo uses the following third-party service providers to deliver the Platform. We will update this list when sub-processors change and notify affected organisations with 30 days' notice.
| Provider | Purpose | Data processed | Location | DPA |
|---|---|---|---|---|
| Twilio | Voice calls & SMS | Phone numbers, voice audio, SMS | US (UK region available) | Signed |
| Groq | AI inference (primary) | Anonymised conversation context only | US | PII stripped before transfer |
| OpenAI | AI inference (alternative) | Anonymised conversation context only | US | DPA available |
| Anthropic | AI inference (alternative) | Anonymised conversation context only | US | DPA available |
| Stripe | Operator billing | Operator payment details | US / EU | Standard |
| GoCardless | Tenant direct debit | Tenant name, bank details, rent amounts | UK / EU | DPA available |
| Resend | Email delivery (primary) | Email addresses, content | US | DPA available |
| Postmark | Email delivery (fallback) | Email addresses, content | US | Available |
| Hetzner | Hosting | All platform data (encrypted) | EU | Standard |
| Amazon Web Services | Hosting & infrastructure | All platform data (encrypted) | EU (London) | Standard (GDPR DPA) |