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End User License Agreement (EULA)

merchantCENTRAL Product Family

for Microsoft Dynamics 365 Business Central

Last updated: March 2026


1. Contracting Parties and Scope

This End User License Agreement (hereinafter "EULA") is entered into between

ALTENBRAND Datentechnik GmbH (hereinafter "Licensor" or "ALTENBRAND")

and the company or natural person who installs, accesses, or uses the Software (hereinafter "Licensee" or "Customer").

This EULA applies to all products of the merchantCENTRAL product family, provided as extensions (apps) for Microsoft Dynamics 365 Business Central via Microsoft AppSource or directly. This includes in particular:

  • merchantCENTRAL Hub – Central platform component
  • Marketplace Connectors – Amazon, eBay, Kaufland, Otto, Conrad, Cdiscount, Shopware 5, Shopware 6, Shopify, Voelkner, SAP Ariba, and others
  • Shipment Connectors – DHL, DPD, GLS, UPS, Rhenus, and others
  • Supplier Connectors – Jarltech, BlueStar, GoDEX, Sato, Toshiba, Wave, VEDES, Systeam, Papyrus, FixPrint, IDENTBASE, EverIT, AISCI, and others
  • Additional Modules – Price Engine, Print Service, Data Migration, and others

(hereinafter individually or collectively the "Software")

By installing, accessing, or using the Software, the Licensee agrees to the terms of this EULA. If the Licensee does not agree to these terms, the Software may not be installed or used.

If a natural person acts on behalf of a legal entity, they warrant that they are authorized to represent that legal entity.


2. Definitions

For the purposes of this EULA, the following terms shall have the meanings set forth below:

  1. "Software" – The extensions (apps) of the merchantCENTRAL product family for Microsoft Dynamics 365 Business Central listed in Β§1, including all updates, supplements, and related online services.

  2. "Licensor" – ALTENBRAND Datentechnik GmbH.

  3. "Licensee" or "Customer" – The legal or natural person who installs, accesses, or uses the Software and has agreed to these terms.

  4. "User" – Any natural person who directly or indirectly accesses the Software or the Licensee's BC solution.

  5. "BC Solution" – The Licensee's Microsoft Dynamics 365 Business Central environment, regardless of whether it is operated as a SaaS solution (cloud) or as a hosted solution.

  6. "Third-Party APIs" – Programming interfaces and services of third-party providers (e.g. Amazon, eBay, DHL, DPD, Shopify) with which the Software interacts.

  7. "Online Services" – Cloud-based services provided by the Licensor (e.g. Azure Functions for document parsers, data staging, print services) that complement the functionality of the Software.

  8. "Personal Data" – Data within the meaning of Regulation (EU) 2016/679 (General Data Protection Regulation, GDPR).

  9. "Usage Data" – Technical data for license validation and usage analysis, e.g. tenant identifier, product name, version number, number of transactions/users. Usage data does not include the Licensee's business data (e.g. customers, invoices, order amounts).

  10. "Update" – Bug fixes, security patches, new features, adaptations to third-party API changes, or compatibility updates for new BC versions.

  11. "Partner" – An implementation partner authorized by ALTENBRAND or engaged by the Licensee (e.g. Microsoft partner, BC consultant).


3. License Grant

3.1 Scope of License

The Licensor grants the Licensee a non-exclusive, non-transferable, revocable license to use the Software within their BC solution, subject to compliance with this EULA and payment of the agreed license fees.

3.2 Usage Restrictions

The license applies exclusively to:

  • the number of environments (tenants) agreed upon in the subscription or purchase agreement;
  • productive use by the Licensee and their authorized users;
  • the functional scope defined in the respective product description;
  • the Licensee's internal business operations.

Subsidiaries and affiliated companies are considered separate licensees unless expressly agreed otherwise.

3.3 License Models

The Software is provided under one of the following license models:

  • AppSource Subscription (Cloud): Monthly or annual license fees via Microsoft AppSource. License fees may be usage-based (e.g. per tenant). Microsoft Commercial Marketplace terms of use apply additionally. Updates, support access, and online services are included in the active subscription.
  • Direct Licensing: Individual licensing agreement between ALTENBRAND and the customer with separately agreed terms.

3.4 License Validation

The Software may periodically perform a validation check to verify proper licensing. Only usage data (as defined in Β§2 No. 9) is transmitted. By using the Software, the Licensee consents to the transmission of this information.


4. Restrictions

4.1 General Restrictions

The Licensee is not permitted to:

a) copy, modify, create derivative works from, reverse engineer, decompile, or disassemble the Software in whole or in part, unless expressly permitted by applicable law;

b) rent, lease, lend, sell, sublicense, or make the Software available to third parties;

c) remove, circumvent, or disable technical protection measures or license validation features of the Software;

d) use the Software for unlawful purposes or in a manner that violates this EULA or applicable laws;

e) use the Software in a manner that impairs the operation of the platform, third-party APIs, or services of other users;

f) alter copyright notices, trademarks, or product names in the Software;

g) use the name or logo of ALTENBRAND or merchantCENTRAL in a way that suggests the Licensee's programs originate from or are authorized by ALTENBRAND.

4.2 Prohibition of Business Process Outsourcing (BPO)

The Licensee may not use the Software to provide services to third parties as part of Business Process Outsourcing (BPO). If the Software is to be used for BPO purposes, a separate BPO license is required. Contact ALTENBRAND for this purpose.


5. License Transfer

5.1 Transfer Prohibition

The Licensee may not transfer, assign, or otherwise convey the rights and obligations under this EULA to third parties without the prior written consent of the Licensor. Any transfer made without consent is void.

5.2 Transfer Fees

Additional fees may apply for an approved license transfer.

5.3 Corporate Restructuring

In the event of a merger, division, or sale of the Licensee's entire business operations, the license may transfer to the legal successor, provided ALTENBRAND is notified in writing in advance and the legal successor fully accepts this EULA.


6. Intellectual Property

6.1 Ownership Rights

The Software and all related intellectual property rights (including copyrights, patents, trademarks, and trade secrets) remain with the Licensor. This EULA does not transfer any ownership rights in the Software to the Licensee.

6.2 Trademark Rights

"merchantCENTRAL" and the associated logo are trademarks of ALTENBRAND Datentechnik GmbH. The Licensee acquires no rights to these trademarks.

6.3 Customer Data

The Licensee retains all rights to their business data processed within the Software. The Licensor makes no claim to ownership of the Licensee's data.


7. Third-Party Services and APIs

7.1 Marketplace and Shipping Provider APIs

The Software interacts with APIs and services of third-party providers (e.g. Amazon Seller Central, eBay, Kaufland, Otto, DHL, DPD, GLS, UPS). The Licensee is responsible for:

  • complying with the respective terms of use of the third-party providers;
  • maintaining valid API credentials and merchant accounts;
  • ensuring compliance with marketplace guidelines.

7.2 No Warranty for Third-Party Services

The Licensor assumes no liability for the availability, functionality, or changes to third-party APIs. API changes by third-party providers may affect the functionality of the Software until an update is provided.

7.3 Third-Party Materials

The Software may contain third-party components (e.g. libraries, code, documentation) that the Licensor licenses to the Licensee under this EULA. Corresponding notices are included in the Software or documentation where applicable.

7.4 Microsoft Dynamics 365 Business Central

The Software requires a valid Microsoft Dynamics 365 Business Central license. The Licensor is not a party to the Microsoft license agreement and assumes no responsibility for the Microsoft platform.


8. Modifications and Customizations

8.1 Modification Disclaimer

The Licensee or a partner engaged by the Licensee may modify the Software only to the extent necessary for the Licensee's internal business operations and as permitted by the tools provided by Microsoft (e.g. AL development environment).

8.2 Liability Exclusion for Modifications

The Licensor assumes no responsibility for problems arising from modifications made by the Licensee, a partner, or any other third party. This includes in particular:

  • Errors or data loss caused by customized code;
  • Incompatibilities with updates of the Software or Business Central;
  • Malfunctions caused by third-party hardware or software.

8.3 No Support for Modifications

The Licensor is not obligated to provide technical support or any other assistance for modified versions of the Software. The Licensor makes no representations regarding the suitability of any partner or other third party to create, implement, or maintain modifications.

8.4 Independence of Partners

Partners are independent companies. The Licensor is not liable for acts or omissions of partners.


9. Data Protection and Data Security

9.1 Data Processing

The Software processes personal data (e.g. customer addresses, order data) exclusively on behalf of and within the Licensee's Business Central tenant. Processing takes place within the framework of the marketplace and shipping integrations configured by the Licensee.

9.2 Data Protection Compliance

The Licensee, as the controller within the meaning of the GDPR, is responsible for the lawful processing of their customers' personal data. Insofar as the Licensor processes personal data on behalf of the Licensee (e.g. via online services), a separate data processing agreement (DPA) pursuant to Art. 28 GDPR shall be concluded. The Licensee may not begin using online services involving data processing before the DPA has been concluded.

9.3 Online Services and External Data Routing

Certain features of the Software communicate with the Licensor's online services (e.g. Azure Functions for document parsers, data staging, or print services). In these cases, data is processed only for the intended purpose and transiently. Details are described in the privacy policy at https://www.altenbrand.de/datenschutz.

9.4 Licensee's Obligations for Online Services

The Licensee is responsible for:

  • providing a functioning network connection for data transfer between their BC solution and the online services;
  • the secure custody and use of login credentials, passwords, and other security keys;
  • promptly notifying the Licensor in case of suspected compromise of access to online services;
  • complying with all applicable laws and regulations in connection with the use of online services.

9.5 Credentials

API keys and credentials are stored exclusively in the Licensee's Microsoft Dynamics 365 Business Central IsolatedStorage and are never transmitted to the Licensor.

9.6 Usage Data

The Licensor may collect usage data (as defined in Β§2 No. 9) and use it in aggregated, anonymized form to improve the Software and for license validation.


10. Warranty and Liability

10.1 Limited Warranty

The Licensor warrants that the Software will function substantially in accordance with the product documentation valid at the time of acquisition for a period of 12 months from initial installation or activation. If the Licensee receives updates or supplements within this period, the warranty for these applies until the expiration of the original warranty period or 30 days, whichever is longer.

10.2 Remediation

If the Software has a defect within the warranty period, the Licensor will, at its option, repair or replace the Software. If repair or replacement is not possible, the Licensor will refund the license fees paid for the relevant Software in the last 12 months.

10.3 Warranty Exclusions

The warranty does not cover:

  • Problems caused by acts or omissions of the Licensee, its partners, or third parties;
  • Errors caused by code modifications pursuant to Β§8;
  • Problems attributable to force majeure or circumstances beyond the Licensor's reasonable control;
  • Use of the Software contrary to the documentation or this EULA.

10.4 Complex Software

The Software and the online services are complex computer programs. Their performance may vary depending on hardware platform, software interactions, configuration, and other factors. The Software is neither fault-tolerant nor free from errors, conflicts, or interruptions. In particular, the Licensor does not warrant:

  • uninterrupted or error-free operation of the Software;
  • the suitability of the Software for a particular purpose beyond the product documentation;
  • compatibility with future versions of Microsoft Dynamics 365 Business Central;
  • the correctness of data transmitted via third-party APIs (e.g. orders, stock levels, prices).

10.5 Limitation of Liability

The total liability of the Licensor arising out of or in connection with this EULA is – to the extent permitted by law – limited to the amount paid by the Licensee for the relevant Software in the last 12 months.

For liability in connection with online services, the maximum amount may not exceed the share of license fees attributable to the online services paid in the last 12 months.

For free products or trial periods, the Licensor's liability is limited to EUR 100.

Excluded from these limitations are damages arising from intent, gross negligence, breach of material contractual obligations (cardinal obligations), or under mandatory provisions of the Product Liability Act. In case of breach of cardinal obligations, liability is limited to the typical, foreseeable damage.

10.6 No Liability for Indirect Damages

The Licensor is not liable for lost profits, data loss, business interruption, loss of goodwill, or other indirect damages, unless these are due to intent or gross negligence. This limitation applies regardless of whether the Licensor was advised of the possibility of such damages.

10.7 Applicability

The limitations and exclusions of liability in this Β§10 also apply to:

  • Claims related to third-party APIs, online services, or third-party materials;
  • Claims arising from breach of contract, warranty, negligence, or other legal grounds, to the extent permitted by applicable law.

11. Prices and Payment Terms

11.1 Pricing

License fees are based on the Licensor's current price list or the prices published on Microsoft AppSource.

11.2 Price Adjustment Right

The Licensor reserves the right to adjust prices, including subscription fees and renewal rates, with a notice period of at least 3 months before the next renewal date. Current price lists are available on the Licensor's website.

11.3 Payment Terms

Payment of license fees is made in accordance with the terms of the respective subscription (AppSource) or individual license agreement. In the event of late payment, the Licensor is entitled to suspend access to the Software and online services after formal notice.


12. Support and Updates

12.1 Updates

The Licensor provides regular updates to:

  • ensure compatibility with new versions of Microsoft Dynamics 365 Business Central;
  • fix bugs;
  • adapt the Software to third-party API changes.

Updates are provided via Microsoft AppSource or directly. The Licensee is responsible for the timely installation of updates.

12.2 Support

The Licensor does not provide consulting services in connection with the use of the Software without a separate written agreement. The implementation and use of the Software is at the Licensee's own responsibility and risk.

Support is provided according to the agreed support tier (e.g. Standard, Premium). Unless otherwise agreed, the Licensor's support terms current at the time of acquisition apply.

12.3 Changes to Online Services

The Licensor is entitled to regularly modify and update the functionality and user interface of the online services, taking into account the needs of all customers, to ensure stable performance.

12.4 End of Life

The Licensor reserves the right to discontinue support for individual apps or modules with a prior notice period of at least 6 months.


13. Term and Termination

13.1 Term

This EULA takes effect upon installation or first use of the Software and remains in force for the duration of the respective subscription or agreed license term.

13.2 Termination by the Licensee

The Licensee may terminate this EULA at any time by uninstalling the Software and canceling the subscription.

13.3 Termination by the Licensor

The Licensor may terminate this EULA with immediate effect if the Licensee:

  • violates material provisions of this EULA;
  • fails to pay the due license fees despite formal notice;
  • files for or becomes insolvent.

13.4 Consequences of Termination

Upon termination of this EULA:

  • the Licensee's right to use the Software and online services expires immediately;
  • the Licensee must uninstall the Software;
  • the Licensee's business data remains in their Business Central tenant and is not affected by termination.

In case of continued use of the Software after termination, the Licensee may be held liable for infringement of intellectual property rights. The Licensor reserves all available legal remedies in this case.


14. Compliance Audit

14.1 Record-Keeping Obligation

The Licensee is obligated to maintain records (including purchase receipts) of the software licenses used.

14.2 Audit Right

The Licensor has the right to verify compliance with this EULA at its own expense. The audit shall be conducted with a prior notice period of at least 30 days, during regular business hours, and in a manner that does not unreasonably disrupt the Licensee's business operations.

14.3 Consequences of Violations

If an audit reveals unlicensed use, the Licensee is obligated to immediately acquire sufficient licenses. In the case of material violations, the Licensee additionally bears the costs of the audit.


15. Miscellaneous

15.1 Governing Law

This EULA is governed by the laws of the Federal Republic of Germany, excluding the UN Convention on Contracts for the International Sale of Goods (CISG).

15.2 Jurisdiction

The place of jurisdiction for all disputes arising out of or in connection with this EULA is, to the extent permitted by law, the registered office of the Licensor.

15.3 Severability Clause

If any provision of this EULA is invalid or unenforceable, the remaining provisions shall remain unaffected. The invalid provision shall be replaced by a valid provision that most closely approximates the economic purpose of the invalid provision.

15.4 Written Form

Amendments and supplements to this EULA require written form. This also applies to the waiver of the written form requirement.

15.5 Entire Agreement

This EULA, together with the respective product order, constitutes the entire agreement between the parties with respect to the subject matter and supersedes all prior oral or written agreements.


16. Contact

ALTENBRAND Datentechnik GmbH

Website: https://www.altenbrand.de Email: info@altenbrand.de Privacy: https://www.altenbrand.de/datenschutz


This EULA applies to the entire merchantCENTRAL product family. For individual apps, supplementary conditions may apply as stated in the respective product description.


Β© 2026 ALTENBRAND Datentechnik GmbH. All rights reserved.