Terms of Use

Last updated: 6/3/2025

Welcome to Seller Lines. These Terms of Use ("Terms") govern your access to and use of our ASIN performance tracking platform and related services. By accessing or using our service, you agree to be bound by these Terms.

1. Acceptance of Terms

By creating an account, accessing, or using Seller Lines, you acknowledge that you have read, understood, and agree to be bound by these Terms and our Privacy Policy. If you do not agree to these Terms, you may not use our service.

These Terms constitute a legally binding agreement between you and Seller Lines. We may modify these Terms at any time, and such modifications will be effective immediately upon posting. Your continued use of the service after any such changes constitutes your acceptance of the new Terms.

2. Service Description

Seller Lines provides a software-as-a-service platform that enables users to:

• Track and monitor product performance metrics
• Analyze marketplace trends and data
• Generate reports and insights
• Access analytics dashboards and tools
• Manage product portfolios and groups

Our service is designed for legitimate business purposes and market research. We reserve the right to modify, suspend, or discontinue any aspect of our service at any time.

3. Account Registration and Security

3.1 Account Creation

To use our service, you must create an account by providing accurate, current, and complete information. You are responsible for maintaining the accuracy of your account information and promptly updating any changes.

3.2 Account Security

You are responsible for:

• Maintaining the confidentiality of your login credentials
• All activities that occur under your account
• Immediately notifying us of any unauthorized use
• Using strong passwords and security best practices

4. Acceptable Use Policy

You agree to use our service only for lawful purposes and in accordance with these Terms. You may not:

• Violate any applicable laws, regulations, or third-party rights
• Use the service for any fraudulent or malicious activities
• Attempt to gain unauthorized access to our systems or other users' accounts
• Interfere with or disrupt the service or servers
• Use automated tools to access the service beyond normal usage
• Reverse engineer, decompile, or attempt to extract source code
• Resell, redistribute, or sublicense access to our service
• Use the service to compete with or create a competing service

5. Subscription Plans and Billing

5.1 Subscription Tiers

We offer various subscription plans with different features and usage limits. Plan details, pricing, and features are available on our website and may be updated from time to time.

5.2 Payment Terms

Subscription fees are billed in advance on a recurring basis. By subscribing, you authorize us to charge your payment method for the applicable fees. All payments are processed securely through our payment processor, Stripe.

5.3 Cancellation and Refunds

You may cancel your subscription at any time through your account settings. Cancellations take effect at the end of your current billing period. We do not provide refunds for partial months or unused portions of your subscription, except as required by law.

6. Data and Content

6.1 Your Data

You retain ownership of any data you input into our service. You grant us a limited license to use, process, and store your data solely to provide our services. We will handle your data in accordance with our Privacy Policy.

6.2 Third-Party Data

Our service may display or analyze data from third-party sources. You acknowledge that such data belongs to the respective third parties and is subject to their terms of service and data policies.

7. Amazon Disclaimer and Independence

We are an independent service provider that offers analytics and tracking tools for publicly available product information. All product data, marketplace information, and related content belongs to Amazon and is used in accordance with applicable terms of service and fair use principles.

Any references to Amazon products, services, or trademarks are for identification and compatibility purposes only. Our service does not imply any partnership, endorsement, or affiliation with Amazon.

8. Intellectual Property Rights

The Seller Lines platform, including its software, design, content, and trademarks, is owned by us and protected by intellectual property laws. You are granted a limited, non-exclusive, non-transferable license to use our service in accordance with these Terms.

You may not copy, modify, distribute, sell, or lease any part of our service or included software, nor may you reverse engineer or attempt to extract the source code of that software.

9. Service Availability and Performance

While we strive to provide reliable service, we do not guarantee:

• Uninterrupted or error-free operation
• Complete accuracy of all data and analytics
• Availability of third-party data sources
• Compatibility with all devices or browsers

We may perform maintenance, updates, or modifications that temporarily affect service availability. We will provide reasonable notice when possible.

10. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, SELLER LINES SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO:

• Loss of profits, revenue, or business opportunities
• Data loss or corruption
• Business interruption or downtime
• Third-party claims or actions

Our total liability for any claims arising from or related to these Terms or our service shall not exceed the amount you paid us in the twelve months preceding the claim.

11. Indemnification

You agree to indemnify, defend, and hold harmless Seller Lines and its officers, directors, employees, and agents from any claims, damages, losses, or expenses arising from:

• Your use of our service
• Your violation of these Terms
• Your violation of any third-party rights
• Any content or data you submit to our service

12. Termination

Either party may terminate these Terms at any time. We may suspend or terminate your access to our service immediately if you violate these Terms or engage in prohibited activities.

Upon termination, your right to use our service ceases immediately. We may delete your account and data in accordance with our data retention policies.

13. Governing Law and Disputes

These Terms are governed by and construed in accordance with applicable laws. Any disputes arising from these Terms or our service will be resolved through binding arbitration or in courts of competent jurisdiction.

14. Miscellaneous

If any provision of these Terms is found to be unenforceable, the remaining provisions will remain in full force and effect. Our failure to enforce any right or provision does not constitute a waiver of such right or provision.

These Terms constitute the entire agreement between you and Seller Lines regarding our service and supersede all prior agreements and understandings.

15. Contact Information

If you have any questions about these Terms of Use, please contact us at:

We will respond to your inquiry in a timely manner and work to address any concerns you may have.