Subprocessors

Dieses Dokument ist in englischer Sprache verfasst. Die englische Fassung ist im Falle von Widersprüchen maßgeblich.

This document is written in English. The English version is the authoritative version and prevails in the event of any conflict.

OncoChat, a product of Sifnos Inc., uses the following third-party subprocessors to deliver our service. This list is updated as subprocessors change. Material changes will be communicated to users per our Terms of Service.

Last updated: March 31, 2026

SubprocessorPurposeLocation
Google Cloud Platform
Infrastructure
Cloud infrastructure, compute, storage, Cloud SQL (PostgreSQL), Cloud RunUnited States
Firebase (Google)
Authentication
Authentication, user identity managementUnited States
Google Vertex AI
AI/ML
AI/ML model hosting and inference (Gemini)United States
OpenAI
AI/ML
AI/ML model inference for conversational featuresUnited States
Twilio
Communications
SMS messaging, voice calls, phone number verificationUnited States
Vercel
Infrastructure
Web application hosting and CDNUnited States

Data Handling

  • All subprocessors are bound by data processing agreements (DPAs) that include EU Standard Contractual Clauses where applicable.
  • We do not permit subprocessors to use your personal data for their own marketing or advertising purposes.
  • Health data shared with AI/ML providers is used solely for generating responses within OncoChat and is not retained by those providers for model training unless separately consented to.
  • All data is encrypted in transit (TLS 1.2+) and at rest.

Questions about our subprocessors? Contact us.