In accordance with the provisions of French Law No. 2004-575 of 21 June 2004 on Confidence in the Digital Economy (LCEN), the following information is provided to users of Synastra.
Last updated: January 30, 2026
1. Site publisher
The site https://synastra.fr is published by:
- Company name: Kyriel Services
- Legal form: Sole proprietorship (Micro-entreprise)
- Registered office: 97 Avenue Jean Jaures, 21000, Dijon, France
- SIRET: 942 540 568 00014
- Exempt from RCS registration
- Email: [email protected]
2. Publication director
The publication director is Florentin TEP.
3. Host
The site is hosted by:
- OVH SAS
- 2 rue Kellermann, 59100 Roubaix, France
- Phone: 1007
4. Intellectual property
All content on Synastra (texts, graphics, images, logos, icons, software, database) is protected by intellectual property law and belongs to Kyriel Services or is used with authorisation.
Any reproduction, representation, modification, publication, or adaptation of all or part of the site elements, by any means or process, is prohibited without the prior written authorisation of Kyriel Services.
Astrological interpretations generated by the platform are produced by artificial intelligence algorithms from astronomical data (Swiss Ephemeris). This generated content is the property of Kyriel Services. Purchasing a product grants the user a personal, non-transferable right of use of the generated content.
5. Nature of content and limitation of liability
The content offered by Synastra falls within the cultural, recreational and self-knowledge domain. It does not constitute medical, psychological, legal or financial advice under any circumstances.
Kyriel Services cannot be held responsible for the interpretation or use that users make of the astrological content generated by the platform.
Astronomical calculations are performed using the Swiss Ephemeris library, recognised for its sub-arc-second precision. However, the accuracy of results depends on the accuracy of birth data provided by the user.
6. Credits and technologies
- Astronomical calculations: Swiss Ephemeris (Astrodienst AG)
- Analysis engine: Synastra V10 (proprietary)
- Narrative generation: Artificial intelligence (Claude, Anthropic)
- Hosting: OVH Cloud, Kubernetes
- Payment: Stripe
- Illustrations: Chaucer Astrolabe, Wikimedia Commons (CC BY-SA 3.0)
7. Hyperlinks
Synastra may contain hyperlinks to other sites. Kyriel Services exercises no control over these sites and disclaims all responsibility for their content.
8. Applicable law
These legal notices are governed by French law. In the event of a dispute, the French courts shall have sole jurisdiction.