PromptLens

Privacy Policy

Last updated: December 5, 2025

1. Introduction

PromptLens ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our service.

2. Information We Collect

Account Information

When you create an account, we collect:

  • Name
  • Email address
  • Password (encrypted)

API Keys

We store your LLM provider API keys (OpenAI, Anthropic, Google) encrypted at rest. These keys are used solely to execute your prompt experiments and are never shared with third parties.

Usage Data

We collect information about how you use the Service, including:

  • Datasets and prompts you create
  • Experiments you run and their results
  • Feature usage and interaction patterns

3. How We Use Your Information

We use the information we collect to:

  • Provide, maintain, and improve the Service
  • Process your experiments and store your data
  • Send you technical notices and support messages
  • Respond to your comments and questions
  • Detect and prevent fraud and abuse

4. Data Security

We implement appropriate security measures to protect your information:

  • API keys are encrypted at rest using AES-256-GCM encryption
  • All data is transmitted over HTTPS
  • We use secure, industry-standard infrastructure
  • Access to user data is restricted to authorized personnel only

5. Third-Party Services

When you run experiments, your prompts and inputs are sent to the LLM providers you've configured (OpenAI, Anthropic, Google). These providers have their own privacy policies that govern their handling of your data:

6. Data Retention

We retain your data for as long as your account is active or as needed to provide you with the Service. You can delete your datasets, prompts, and experiments at any time. If you delete your account, we will delete your data within 30 days.

7. Your Rights

You have the right to:

  • Access the personal information we hold about you
  • Request correction of inaccurate data
  • Request deletion of your data
  • Export your data in a portable format
  • Withdraw consent for data processing

8. Cookies

We use essential cookies to maintain your session and preferences. We do not use tracking or advertising cookies.

9. Children's Privacy

The Service is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected such information, please contact us.

10. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new policy on this page and updating the "Last updated" date.

11. Contact Us

If you have any questions about this Privacy Policy, please contact us at privacy@promptlens.io.