Terms and Conditions of Service for The DataNexus - ERP/Excel Sync Application

Effective Date: April 7, 2026

These Terms and Conditions (the “Agreement”) constitute a legally binding contract between “Kleis Commerce”, a company incorporated under the laws of Taiwan (“Company”, “we”, “us”, or “our”), and you, the user (“App User”, “you”, or “your”). This Agreement governs your access to and use of the “DataNexus - ERP/Excel Sync” application (the “App”), including any related websites, services, and integrations, specifically our Google Drive synchronization features.

By installing, accessing, or using the App, you expressly acknowledge that you have read, understood, and agree to be bound by this Agreement. If you do not agree to these terms, you must immediately uninstall the App and cease all use of our services.

1. Definitions

  • The App: “The DataNexus - ERP/Excel Sync” application available on the Shopify App Store, including all its related services, infrastructure, and integrations.
  • App User: The individual, entity, or authorized representative who installs and utilizes the App on their Shopify store.
  • Shopify: The e-commerce platform available at www.shopify.com.
  • Google API Services: The suite of application programming interfaces provided by Google LLC, specifically those related to Google Drive, utilized by the App for data synchronization.
  • ERP Data: Enterprise Resource Planning data, including but not limited to inventory records, order information, product catalogs, and financial data that the App User synchronizes through the App.
  • Synchronized Files: Any files created, modified, or managed by the App within the App User's Google Drive account as part of the data synchronization process.

2. Description of Service

The App is designed to facilitate data synchronization between your Shopify store and your connected Google Drive account. To provide this functionality, the App requires authorization to access, read, write, and manage specific files or folders within your Google Drive solely for the purpose of executing the data transfers you initiate or configure.

Specifically, the App provides the following core functionalities:

  • ERP Data Synchronization: Exporting and syncing your Shopify store's ERP-related data (such as orders, inventory, products, and customer records) to structured spreadsheet files (e.g., Excel/CSV format) stored in your Google Drive.
  • Automated Scheduling: Configuring periodic or event-driven synchronization schedules to keep your Google Drive files up to date with your Shopify store data.
  • File Management: Creating, updating, and organizing synchronized files within designated folders in your Google Drive account.

3. Google API Services Usage & Limited Use Policy

To ensure your data remains secure and private, the App's integration with Google Drive strictly adheres to Google's policies.

3.1. Limited Use Compliance: The App's use and transfer to any other app of information received from Google APIs will adhere to the Google API Services User Data Policy, including the Limited Use requirements.

3.2. Limited Use Requirements: In accordance with Google's Limited Use requirements, the App commits to the following four principles:

  • (a) Purpose Limitation: The App will only use access to Google Drive data to provide or improve the App's core, user-facing features as described in Section 2. The App will not use Google Drive data for any purpose unrelated to the synchronization services you have requested.
  • (b) No Advertising: The App will not use Google Drive data to serve advertisements, including retargeting, personalized, or interest-based advertising.
  • (c) No Unauthorized Transfer: The App will not transfer Google Drive data to third parties unless: (i) it is necessary to provide or improve the App's core features and only with user consent; (ii) it is necessary for security purposes (e.g., investigating abuse); (iii) it is required to comply with applicable laws or regulations; or (iv) it is part of a merger, acquisition, or asset sale, with prior user notice.
  • (d) Restricted Human Access: The App will not allow humans to read Google Drive data unless: (i) the App User has provided affirmative, explicit consent; (ii) it is necessary for security purposes; (iii) it is required to comply with applicable laws; or (iv) the data is aggregated and anonymized for internal operations and does not contain personally identifiable information.

4. License and Acceptable Use

4.1. Grant of License: We grant you a non-exclusive, non-transferable, revocable, limited license to use the App solely for your commercial e-commerce operations in accordance with this Agreement and the Shopify Terms of Service.

4.2. Prohibited Conduct:

When utilizing the App, you agree that you shall not:

  • Use the App to perform any illegal, unlawful, or unauthorized activity.
  • Reverse engineer, decompile, disassemble, or attempt to derive the source code of the App.
  • Use the App to scrape, harvest, or export data belonging to third parties without explicit authorization.
  • Intentionally overload our infrastructure with data volumes that are unreasonable or outside the scope of normal operations.

5. Intellectual Property

5.1. Company IP: All rights, title, and interest in and to the App, including all intellectual property rights (such as copyrights, trademarks, patents, trade secrets, and any other proprietary rights), are and shall remain the exclusive property of Kleis Commerce. Nothing in this Agreement grants you any right, title, or interest in the App other than the limited license set forth in Section 4.1.

5.2. User Data Ownership: You retain all ownership rights in and to the data you provide, upload, or synchronize through the App (“Your Data”). By using the App, you grant Kleis Commerce a limited, non-exclusive, royalty-free license to process Your Data solely for the purpose of providing and improving the App's services as described in this Agreement.

6. Privacy and Data Processing

6.1. Data Processing: To function as designed, the App must store and process your Shopify store data and the data routed through your Google Drive. By using the App, you acknowledge that such processing is necessary for the provision of our services.

6.2. Privacy Policy: Our data collection, usage, and retention practices—including how we handle personal data under the GDPR, CCPA, or other applicable privacy laws—are detailed in our Privacy Policy, available at https://www.kleiscommerce.com/en/pages/privacy-policy-for-data-app. The Privacy Policy is an integral part of this Agreement.

6.3. Data Controller/Processor: In the context of applicable data protection legislation, the App User acts as the Data Controller of the synchronized files, and “Kleis Commerce” acts as the Data Processor. You are solely responsible for ensuring you have the legal right and necessary consents to process any personal data contained within the files you synchronize using our App.

6.4. Data Retention and Deletion:

  • During Active Use: While your App subscription is active, we retain your synchronized data and configuration settings as necessary to provide the App's services.
  • After Uninstallation: Upon uninstallation of the App from your Shopify store, we will delete all your stored data from our servers within thirty (30) calendar days, unless retention is required by applicable law or regulation.
  • Data Export: You may request an export of your data at any time during your active subscription by contacting our support team at service.app@kleiscommerce.com.
  • Google Drive Data: Uninstalling the App does not automatically delete files previously created in your Google Drive. You retain full control over those files and may delete them at your discretion through Google Drive.

7. Warranty and Limitation of Liability

7.1. “As-Is” Provision: The App and its services are provided on an “as-is” and “as-available” basis. While we strive for excellence, we make no warranties, express or implied, regarding the reliability, accuracy, or uninterrupted availability of the service.

7.2. Third-Party Dependencies: The App relies on third-party platforms (Shopify and Google). We shall not be held liable for any service interruptions, data loss, or damages resulting from changes, outages, or API limitations imposed by Shopify or Google.

7.3. Limitation of Liability: To the maximum extent permitted by law, “Kleis Commerce” shall not be liable for any indirect, incidental, consequential, or punitive damages, including loss of profits or data, arising from your use of the App. Our maximum aggregate liability shall in no event exceed the total amount you paid for the App's subscription in the twelve (12) months preceding the event giving rise to the claim.

8. Indemnification

You agree to indemnify, defend, and hold harmless “Kleis Commerce”, its directors, employees, and subcontractors from and against any legal claims, liabilities, damages, or expenses (including reasonable attorney fees) arising from your misuse of the App, your violation of this Agreement, or your infringement of any third-party rights or data protection laws.

9. Termination

9.1. Termination by User: You may unilaterally terminate this Agreement at any time by uninstalling the App from your Shopify store and revoking the App's access permissions within your Google account settings.

9.2. Termination by Company: We reserve the right to suspend or terminate your access to the App immediately, without prior notice, if we reasonably determine that you have breached this Agreement or if your continued use poses a security risk or reputational harm to our infrastructure.

9.3. Effects of Termination:

Upon termination of this Agreement for any reason:

  • All licenses granted to you under this Agreement shall immediately cease.
  • We will delete your data from our servers in accordance with Section 6.4.
  • You will have a grace period of fifteen (15) calendar days following termination to request an export of your data by contacting our support team.
  • Sections 5 (Intellectual Property), 7 (Warranty and Limitation of Liability), 8 (Indemnification), and 11 (Governing Law) shall survive termination.

10. Force Majeure

Neither party shall be liable for any delay or failure in performance resulting from causes beyond its reasonable control, including but not limited to acts of God, natural disasters, epidemics or pandemics, war, terrorism, government actions or regulations, power failures, internet or telecommunications failures, cyberattacks, or disruptions to third-party services (including Shopify and Google). The affected party shall promptly notify the other party and use reasonable efforts to mitigate the impact of such event.

11. Governing Law and Jurisdiction

This Agreement shall be governed by and construed in accordance with the laws of Taiwan, without regard to its conflict of law principles.

11.1. Informal Resolution: Before initiating any formal legal proceedings, both parties agree to first attempt to resolve any dispute arising under this Agreement through good-faith negotiation for a period of at least thirty (30) calendar days after written notice of the dispute.

11.2. Jurisdiction: If informal resolution is unsuccessful, any disputes shall be subject to the exclusive jurisdiction of the competent courts located in Taipei, Taiwan.

12. Modifications to the Agreement

We reserve the right to modify or update this Agreement at any time. We will notify you of any material changes via email or through the App's interface. Your continued use of the App following the posting of an updated Agreement constitutes your acceptance of the revised terms.

13. Subscription and Refund Policy

13.1. Free Trial: If a free trial is offered, it will be clearly indicated at the time of installation. At the end of the trial period, your subscription will automatically convert to the applicable paid plan unless you cancel before the trial ends.

13.2. Billing: Subscription fees are billed through the Shopify billing system in accordance with Shopify's billing policies. All fees are exclusive of applicable taxes unless otherwise stated.

13.3. Refunds: Refund requests must be submitted within fourteen (14) calendar days of the billing date by contacting our support team. Refunds are issued at the sole discretion of Kleis Commerce and will be processed through the Shopify billing system.

14. Contact Information

If you have any questions, concerns, or legal notices regarding this Agreement, please contact us at:

Kleis Commerce Support Team

Email: service.app@kleiscommerce.com