Company
| Registered name | x23yc OÜ |
| Legal form | Osaühing (private limited company) |
| Registry code | 14888845 |
| Registered address | Sepapaja tn 6, Lasnamäe linnaosa, Tallinn, Harju maakond, 15551, Estonia |
| Country of incorporation | Estonia |
| Official register | Estonian e-Business Register |
| Trading as | FlatNine, Flat9 |
| Primary website | flatnine.co |
Contact
- General: [email protected]
- Customer support: [email protected]
- Security disclosure: [email protected] (see /security)
- Telephone: +1 917 746 8521
Terms and privacy
Each product publishes its own terms and privacy policy on its own domain. Where those differ from the documents above, the product-specific version governs that product.
Governing law
Unless a product's own terms state otherwise, agreements with x23yc OÜ are governed by the laws of Estonia.
Last updated 5 September 2026