Subprocessor Disclosure
LucentStar AI uses the following third-party data processors ("subprocessors") to operate the lucentstar.ai website and the LucentSignal platform. This list is maintained in accordance with our obligations under UK GDPR and EU GDPR.
All subprocessors are required to process personal data in accordance with applicable data protection law and have agreed to appropriate contractual safeguards with LucentStar AI.
1. Current Subprocessors
| Subprocessor | Country | Transfer mechanism | Purpose | Data processed |
|---|---|---|---|---|
| Anthropic PBC | USA | Standard Contractual Clauses | AI content generation via Claude API | User-submitted prompts, ghost writing profile data, brand voice content |
| Stripe Inc. | USA | Standard Contractual Clauses / UK Addendum | Subscription billing and payment processing | Name, email, billing event data, Stripe customer ID |
| Resend Inc. | USA | Standard Contractual Clauses | Transactional and marketing email delivery | Name, email address, unsubscribe token |
| Railway Corporation | USA | Standard Contractual Clauses | Application hosting and managed PostgreSQL database | All application data: user accounts, posts, sessions, billing records |
2. Changes to Subprocessors
We will provide at least 14 days notice of any new subprocessors or material changes to existing subprocessors by updating this page and, for registered users, by email notification. If you object to a new subprocessor, you may contact us at hello@lucentstar.ai within the notice period.
3. DPA Requests
If your organisation requires a Data Processing Agreement (DPA) with LucentStar AI, please contact hello@lucentstar.ai. We will respond within 10 working days.
4. Last Updated
This subprocessor list was last updated on 6 May 2026. The current version is always available at lucentstar.ai/legal/subprocessors.
5. Contact
Data protection queries: hello@lucentstar.ai