Terms of Service

Effective Date: May 1, 2025
Last Updated: July 30, 2025

1. Agreement

These Terms of Service ("Terms") govern your use of the Lumen billing platform ("Service") operated by Pretzel AI GmbH ("Company", "we", "our", or "us"). By accessing or using our Service, you agree to be bound by these Terms.

2. Service Description

Lumen is a billing and payment platform that enables businesses to:

  • Manage customer subscriptions and billing
  • Process payments through integrated payment providers
  • Generate invoices and handle usage-based billing
  • Manage customer data and payment history

3. Account Registration

To use our Service, you must:

  • Provide accurate and complete registration information
  • Maintain the security of your account credentials
  • Be at least 18 years old or have legal capacity to enter contracts
  • Use the Service only for lawful business purposes

4. Payment Terms

4.1 Service Fees

Service fees are based on your selected pricing plan and usage. All fees are charged in advance and are non-refundable except as expressly provided in these Terms.

4.2 Payment Processing

Payments are processed through third-party payment providers (such as Stripe). You agree to their respective terms of service and privacy policies. We do not store your payment card information directly.

4.3 Failed Payments

If payment fails, we may suspend or terminate your account after reasonable notice. You remain responsible for all charges incurred until termination.

5. Data and Privacy

Our data processing practices are governed by our Privacy Policy. Key points:

  • We process your business data and your customers' data as outlined in our Privacy Policy
  • You are responsible for obtaining necessary consents from your customers
  • You warrant that you have the right to provide customer data to us for processing
  • We implement appropriate security measures to protect all data

6. Acceptable Use

You agree not to:

  • Use the Service for illegal activities or to violate others' rights
  • Attempt to gain unauthorized access to our systems
  • Interfere with the proper functioning of the Service
  • Use the Service to compete with us or develop competing products
  • Process payments for prohibited businesses (gambling, adult content, etc.)

7. Service Availability

While we strive for high availability, we do not guarantee uninterrupted service. We may perform maintenance, updates, or experience outages that temporarily affect service availability. We are not liable for any losses resulting from service interruptions.

8. Termination

8.1 By You

You may terminate your account at any time through your account settings or by contacting us. Termination does not relieve you of any payment obligations incurred before termination.

8.2 By Us

We may terminate or suspend your account for violations of these Terms, non-payment, or for any reason with reasonable notice.

8.3 Effect of Termination

Upon termination, your right to use the Service ends immediately. We may delete your data according to our data retention policies outlined in our Privacy Policy.

9. Limitation of Liability

To the maximum extent permitted by law:

  • Our total liability to you shall not exceed the fees paid by you in the 12 months preceding the claim
  • We are not liable for indirect, incidental, special, or consequential damages
  • We are not liable for losses resulting from third-party payment processor issues
  • You agree to indemnify us against claims arising from your use of the Service

10. Warranty Disclaimer

The Service is provided "as is" without warranties of any kind. We disclaim all warranties, express or implied, including warranties of merchantability, fitness for a particular purpose, and non-infringement.

11. Changes to Terms

We may modify these Terms at any time. We will notify you of material changes via email or through the Service. Your continued use of the Service after such notification constitutes acceptance of the modified Terms.

12. Governing Law

These Terms are governed by German law. Any disputes shall be resolved in the courts of Berlin, Germany. If you are a consumer, you may also bring proceedings in your country of residence.

13. Contact Information

If you have questions about these Terms, please contact us:

Pretzel AI GmbH

Email: help@getlumen.dev

Address: c/o Prasoon Shukla, Jungstraße 12, 10247 Berlin, Germany

These Terms of Service are governed by German law and comply with EU regulations.