Last updated: January 3, 2026
1. Introduction
PromptRouter ("we", "our", or "us") respects your privacy and is committed to protecting your personal data. This Privacy Policy explains how we collect, use, and safeguard your information when you use our service.
2. Information We Collect
2.1 Account Information
- Email address
- Name (if provided)
- Authentication data (via Clerk)
- Subscription tier and payment status
2.2 API Keys
We store your third-party AI provider API keys in encrypted form using industry-standard Fernet encryption. We cannot decrypt or access your API keys outside of processing your requests.
2.3 Usage Data
- Number of prompts executed
- Token usage and costs
- Selected AI models and providers
- Response times and latency
- Success/error rates
- Timestamps of requests
2.4 Technical Data
- IP address
- Browser type and version
- Device information
- Operating system
3. What We DO NOT Collect
We do NOT store:
- The content of your prompts
- AI model responses
- Any personal data from your prompts
- Chat histories or conversations
Your prompts and responses pass through our service for routing purposes only and are immediately discarded after processing.
4. How We Use Your Information
We use collected information to:
- Provide and maintain the Service
- Route prompts to optimal AI models
- Track usage and enforce tier limits
- Calculate costs and savings
- Process payments via Stripe
- Send service-related notifications
- Improve our routing algorithms
- Detect and prevent fraud or abuse
- Comply with legal obligations
5. Data Sharing and Disclosure
5.1 Third-Party Services
We share data with:
- Clerk: Authentication and user management
- Stripe: Payment processing
- Railway: Infrastructure hosting (backend)
- Vercel: Infrastructure hosting (frontend)
- AI Providers: Your prompts (OpenAI, Anthropic, Google, Grok)
5.2 Legal Requirements
We may disclose your information if required by law, court order, or government regulation, or to protect our rights, property, or safety.
5.3 What We Do NOT Do
We do NOT sell, rent, or trade your personal information to third parties for marketing purposes.
6. Data Security
We implement security measures including:
- Fernet encryption for API keys at rest
- HTTPS/TLS encryption for data in transit
- Secure authentication via Clerk
- Regular security audits
- Access controls and monitoring
- Database encryption
However, no method of transmission over the Internet is 100% secure. We cannot guarantee absolute security.
7. Data Retention
We retain your data:
- Account data: Until you delete your account
- Usage metrics: Indefinitely for analytics and billing
- API keys: Until you remove them
- Payment records: As required by law (typically 7 years)
8. Your Rights (GDPR)
If you are in the EU/EEA, you have the right to:
- Access: Request a copy of your personal data
- Rectification: Correct inaccurate data
- Erasure: Request deletion of your data
- Restriction: Limit how we use your data
- Portability: Receive your data in a structured format
- Object: Object to processing of your data
- Withdraw consent: At any time
To exercise these rights, contact us at privacy@promptrouter.com
9. Cookies and Tracking
We use:
- Essential cookies: For authentication and session management (Clerk)
- Analytics: To understand usage patterns (anonymized)
You can control cookies through your browser settings.
10. International Data Transfers
Your data may be transferred to and processed in countries outside the EU/EEA. We ensure adequate safeguards through:
- Standard contractual clauses
- Privacy Shield framework (where applicable)
- Adequacy decisions by EU Commission
11. Children's Privacy
Our Service is not intended for children under 18. We do not knowingly collect data from children. If you believe we have collected data from a child, please contact us immediately.
12. Third-Party Links
Our Service may contain links to third-party websites. We are not responsible for their privacy practices. Please review their privacy policies.
13. Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated date. Material changes will be notified via email or dashboard notification.
14. Contact Us
For questions or concerns about this Privacy Policy:
By using PromptRouter, you acknowledge that you have read and understood this Privacy Policy.