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Privacy Policy

**Last updated: 23 September 2026** Sentra is an artificial intelligence service operated by **SEBBAK Technologies**, a company based in Ghana. This policy explains what we collect when you use Sentra at sentra.sebbak.com, why we collect it, and what choices you have. ## What we collect **Account information.** Your name, and the email address or phone number you sign in with. If you sign in with Google, we receive your name, email address and profile picture from Google. **What you put into Sentra.** The messages you send, the files you upload, and the images, documents and other files Sentra produces for you. Uploaded documents are also converted into a mathematical index so the assistant can search them. **Usage information.** Which features you use, how many credits you consume, your IP address, and basic device and browser details. **Cookies.** We use a small number of cookies. One keeps you signed in. Others remember preferences such as light or dark mode. We do not use advertising cookies. ## How your content reaches an AI model Sentra does not run the AI models itself. To answer you, we send your message — and the contents of any file you attached — to one of the AI providers we work with: - **Google** (Gemini models) - **Groq** - **OpenRouter** - **Mistral AI** These companies process your content on servers **outside Ghana** in order to generate a reply. We choose providers who state that they do not use business API content to train their models, but we do not control their systems. Please do not put information into Sentra that you could not share with a third-party supplier. ## Other services we use - **Hubtel** (Ghana) sends the one-time codes used for phone sign-in. Hubtel receives your phone number and the message. - **Hostinger** hosts the service. - **Google** provides sign-in, if you choose it. ## Why we are allowed to use your information We use your information to provide the service you asked for, to keep your account secure, to prevent abuse, to meet our legal obligations, and to improve Sentra. We do not sell your personal information, and we do not share it for advertising. ## How long we keep it Your conversations and files stay in your account until you delete them or close your account. Sign-in codes are stored only as an irreversible hash, and expire after ten minutes. Records we must keep for legal or accounting reasons are kept for as long as the law requires. ## Your rights Under Ghana's Data Protection Act, 2012 (Act 843) you may ask us to show you the personal data we hold about you, correct it if it is wrong, delete it, or stop using it in certain ways. You may also complain to the Data Protection Commission of Ghana. To exercise any of these rights, contact us using the details below. ## Children Sentra is not intended for children under 13. If you believe a child has created an account, contact us and we will remove it. ## Security We protect accounts with hashed passwords and hashed sign-in codes, and the service is served over an encrypted connection. No system is perfectly secure, so please use a strong, unique password and keep your sign-in codes to yourself. ## Changes If we change this policy we will update the date at the top, and tell you in the app when the change is significant. ## Contact us **SEBBAK Technologies** Ghana Email: info@sebbak.com