Subprocessors
Last update: August 6, 2025
We work with carefully selected partners to provide you with a secure, fast, and reliable service. All our subprocessors comply with GDPR and maintain high security standards.
Infrastructure & Hosting
Cloudflare, Inc.
USA
Purpose: Web application firewall, CDN, and edge computing
Data Processing: Minimal data processing for security and performance
Hetzner Online GmbH
Germany
Purpose: Server hosting for backend infrastructure
Data Processing: Hosts application servers and processes user data in EU
MongoDB Atlas
Germany (EU Region)
Purpose: Database hosting and management
Data Processing: Stores user data, learning progress, and application data
Communication & Analytics
Resend
USA
Purpose: Transactional email delivery
Data Processing: Processes email addresses for authentication and notifications
PostHog, Inc.
USA/EU
Purpose: Product analytics and user behavior tracking
Data Processing: Anonymized usage data, feature adoption metrics
Payment Processing
Stripe, Inc.
USA
Purpose: Payment processing and subscription management
Data Processing: Payment information, billing details (PCI compliant)
Content Delivery
Cloudflare R2
Global
Purpose: Backup media storage and edge caching
Data Processing: Caches frequently accessed content
AI & Machine Learning
Mistral AI
France
Purpose: AI language models for conversation and content generation
Data Processing: Processes user inputs for AI-powered language learning features
OpenAI
USA
Purpose: Advanced language models for learning assistance and content creation
Data Processing: Processes user conversations and learning content
Google Cloud Text-to-Speech
USA/Global
Purpose: Text-to-speech conversion for pronunciation and listening exercises
Data Processing: Converts text content to audio for learning exercises
Groq
USA
Purpose: Fast AI inference for speech-to-text processing
Data Processing: Processes audio inputs for speech recognition and transcription
Data Protection
All subprocessors are bound by Data Processing Agreements (DPAs) that ensure your data is handled according to GDPR requirements.
Updates
We review our subprocessors quarterly and will notify users of any significant changes via email and on this page.
Questions
If you have questions about our subprocessors or data handling, please contact us at privacy@poliglota.ai