1. Who we are
FateTerrain ("the Service") is an independent product operated by its individual developer. This policy explains what personal information we collect, how we use it, and who we share it with.
Contact: [email protected]
2. Information we collect
You provide:
- Account information: email address (via our authentication provider, Clerk).
- Birth information: birth date, time, and place. This is used to calculate your BaZi chart and is sensitive information (see Section 6).
- Name or nickname for saved charts (optional).
- Content you generate or save within the Service.
- Payment is handled by our payment processor; we do not store your full card details.
Collected automatically:
- Usage data, device and browser information, IP address, and approximate region.
- Error and performance data, to keep the Service reliable.
3. How we use your information
- To calculate your chart and generate readings;
- To provide, maintain, and improve the Service;
- To process purchases and apply Credits;
- To respond to support and refund requests;
- To detect, prevent, and address abuse, fraud, or security issues;
- To comply with legal obligations.
4. Third parties we share with
We share the minimum data necessary with the following service providers, each acting under their own terms and privacy policies:
| Provider | Purpose | Data involved |
|---|---|---|
| Clerk | Authentication | Email, account identifiers |
| Supabase (US & Singapore) | Database / storage | Charts, readings, account data |
| Google (Gemini) | AI generation (overseas) | Chart-derived prompts |
| DeepSeek | AI generation (China) | Chart-derived prompts |
| Zhipu AI (GLM) | AI generation (China; secondary fallback) | Chart-derived prompts |
| Dodo Payments | Payment processing (Merchant of Record) | Transaction & billing data |
| Cloudflare | Delivery, security, AI gateway | Network/request data |
| Upstash (Redis) | Rate limiting / quota | Usage counters, identifiers |
| Sentry | Error monitoring | Error and diagnostic data |
| Vercel | Hosting & analytics | Usage and performance data |
| Amplitude | Product analytics & session replay (processed in the US) | Usage and interaction data, device info (replays mask all on-page text and inputs) |
We do not sell your personal information.
5. Where your data is processed
Where your data is processed depends on which site you use:
- fateterrain.com (and our earlier domain myfirstspark.ai): account and chart data are stored with Supabase in the United States (us-east-1) and with our identity provider Clerk. Product analytics and session replay data are processed by Amplitude in the United States.
- firstspark.com.cn: account and chart data are stored with Supabase in Singapore (ap-southeast-1).
AI generation may involve providers located outside your country. By using the Service you understand that your data may be transferred and processed internationally, with safeguards appropriate to each region.
6. Sensitive information
Your birth date, time, and place are used solely to calculate your chart and generate readings. We treat this as sensitive information and process it based on your consent, which you give by entering it and using the feature. You may delete saved charts at any time.
7. Your rights
Depending on your jurisdiction, you may have the right to access, correct, delete, or export your personal data, and to withdraw consent. To exercise these rights, email [email protected]. We will respond within the timeframe required by applicable law.
8. Data retention
We retain your data while your account is active and as needed to provide the Service. When you delete a chart or your account, we delete or anonymize the associated data, except where retention is required by law (e.g. transaction records).
9. Security
We use industry-standard measures (encryption in transit, access controls, scoped database permissions) to protect your data. No method is 100% secure, but we work to protect your information.
10. Children
The Service is not directed to children under 18. We do not knowingly collect data from children. If you believe a child has provided us data, contact [email protected].
11. Changes
We may update this policy. Material changes will be posted with an updated date.