Subprocessors
Effective 17 September 2026
Arcada LLC uses the service providers below to operate Subtl. Each processes personal data only on our instructions, under a data processing agreement, and only for the purpose shown. Model providers do not use the data to train their models.
Infrastructure and processing
| Provider | Purpose | Data processed | Location |
|---|---|---|---|
| Google Cloud (Google LLC) | API servers, database, backups, website and cabinet hosting, product analytics storage | Account, device, billing and meeting data; context passages; site statistics; app usage events | EU (Belgium, Poland); CDN worldwide |
| Google Gemini API (Google LLC) | Speech-to-text, translation, summaries, embeddings of context files, fallback suggestions | Call audio and text in transit; context passages | United States and other Google locations |
| Anthropic, PBC | Suggested replies | Transcribed text and relevant context passages, in transit | United States |
| Stripe, Inc. | Payments, subscriptions, invoices and tax calculation | Email, billing details, payment card data (never reaches us) | United States, EU |
| Resend (Plus Five Five, Inc.) | Sign-in codes, transactional email, receiving support email | Email address, message content of support email | EU (Ireland), United States |
| Hetzner Online GmbH | Server for our self-hosted error monitoring (GlitchTip), operated by us | Error reports: stack trace, app or page version, browser or OS, page path; no call content; IP address in transit | EU (Finland) |
| Google Sign-In (Google LLC) | Signing in with a Google account, if you choose it | Name, email, Google account identifier | United States |
| Sign in with Apple (Apple Inc.) | Signing in with an Apple Account, if you choose it | Email or relay address, Apple identifier | United States |
Used only with your own keys
If you add your own API key for one of these providers, requests go to that provider under your own agreement with it; Arcada is not a party to that processing.
| Provider | Purpose | Data processed |
|---|---|---|
| OpenAI | Transcription, translation or suggestions with your key | Call audio or text in transit |
| Groq | Transcription with your key | Call audio in transit |
| DeepL | Translation with your key | Transcribed text in transit |
| Anthropic, Google Gemini | Suggestions or processing with your key | Text in transit |
Mobile app stores
When the mobile apps are available, purchases made in the Apple App Store or Google Play are processed by Apple or Google as sellers of record, and subscription status is synchronised through RevenueCat, Inc.
Changes to this list
We update this page before a new subprocessor starts processing personal data. If your contract with us requires advance notice, write to privacy@subtl.me and we will notify you directly by email.