Terms of Service

Last updated: November 2025

1. Acceptance of Terms

By accessing and using PromptProof, you accept and agree to be bound by the terms and provision of this agreement. If you do not agree to these terms, please do not use this service.

2. Use License

Permission is granted to use PromptProof for prompt engineering and AI experimentation purposes. This license shall automatically terminate if you violate any of these restrictions and may be terminated by PromptProof at any time.

Under this license you may not:

  • Use the service for any illegal or unauthorized purpose
  • Attempt to gain unauthorized access to any part of the service
  • Interfere with or disrupt the service or servers
  • Use the service in any manner that could damage, disable, or impair the service
  • Use automated systems to access the service without permission

3. User Obligations

By using PromptProof, you agree to:

  • Provide accurate and complete information when creating your account
  • Maintain the security of your account credentials
  • Notify us immediately of any unauthorized use of your account
  • Use the service in compliance with all applicable laws and regulations
  • Not share your account with others
  • Not use the service to store or transmit malicious code
  • Not use the service to infringe on intellectual property rights

4. Intellectual Property

The service and its original content, features, and functionality are owned by PromptProof and are protected by international copyright, trademark, patent, trade secret, and other intellectual property or proprietary rights laws.

You retain ownership of any content you upload to the service. By uploading content, you grant PromptProof a license to use, store, and process that content solely for the purpose of providing the service to you.

5. Service Availability

We strive to provide continuous service availability, but we do not guarantee that the service will be uninterrupted, timely, secure, or error-free. We reserve the right to:

  • Modify or discontinue the service at any time
  • Perform maintenance and updates as necessary
  • Limit features or access to certain users or regions

6. Limitation of Liability

To the maximum extent permitted by law, PromptProof shall not be liable for any indirect, incidental, special, consequential, or punitive damages, or any loss of profits or revenues, whether incurred directly or indirectly, or any loss of data, use, goodwill, or other intangible losses resulting from:

  • Your use of or inability to use the service
  • Any unauthorized access to or use of our servers
  • Any interruption or cessation of transmission to or from the service
  • Any bugs, viruses, or other harmful code transmitted through the service
  • Any errors or omissions in any content

7. Indemnification

You agree to indemnify and hold harmless PromptProof and its officers, directors, employees, and agents from any claims, damages, losses, liabilities, and expenses (including legal fees) arising out of your use of the service or violation of these Terms.

8. Termination

We may terminate or suspend your account and access to the service immediately, without prior notice or liability, for any reason, including but not limited to:

  • Breach of these Terms
  • Non-payment of fees (if applicable)
  • Requests by law enforcement or government agencies
  • Extended periods of inactivity

Upon termination, your right to use the service will immediately cease. We may retain your data for a period as required by law or for legitimate business purposes.

9. Governing Law

These Terms shall be governed and construed in accordance with the laws of Japan, without regard to its conflict of law provisions. Any disputes arising from these Terms or your use of the service shall be subject to the exclusive jurisdiction of the courts in Tokyo, Japan.

10. Changes to Terms

We reserve the right to modify or replace these Terms at any time. If a revision is material, we will provide at least 30 days' notice prior to any new terms taking effect. What constitutes a material change will be determined at our sole discretion.

By continuing to access or use our service after revisions become effective, you agree to be bound by the revised terms.

11. Contact Information

If you have any questions about these Terms of Service, please contact us through your account settings or at the contact information provided in the service.