List of Sub-processors
Last updated: September 14, 2026
Sonic Flow GbR engages the following sub-processors to provide the Service, as described in our Terms of Service and Data Processing Agreement. This list reflects the current sub-processors. Account holders will be notified in advance of any intended addition or replacement, in accordance with the Data Processing Agreement.
| Sub-processor | Purpose | Location | Transfer mechanism |
|---|---|---|---|
| Vercel Inc. | Application hosting | United States | EU Standard Contractual Clauses |
| Resend | Transactional email delivery | United States | EU Standard Contractual Clauses |
| Supabase | Production database / data storage | Frankfurt, Germany (AWS eu-central-1, EU) | N/A — processed and stored within the EU |
| Anthropic | AI-generated conversation responses | United States | EU Standard Contractual Clauses |
| OpenAI | Voice transcription (Whisper API) | United States | EU Standard Contractual Clauses |
Questions about our sub-processors? Contact info@testsonic.ai.