Commerce CSU V9.51/10.0.41 - November 2024
For anyone new in this field: Commerce CSU is shipped as part of D365 ERP and can seamlessly integrate non-Microsoft e-commerce with D365 ERP:

I have been using Commerce CSU for e-commerce integrations since its early days around 2015. My mission is to empower you and your organization to use Commerce CSU effectively for your B2C and B2B e-commerce integrations. Therefore, I will publish these unofficial CSU Release Notes with any upcoming new Release.
A-Release Note Details
These Release notes are applicable for the following CSU and D365 ERP version:
B-Downloads for your convenience
- Latest V9.51 CSU full interface specification in OpenAPI/Swagger format: Link

A snippet of the more than 350 APIs in Commerce CSU
- Lestest V9.51 Overview of required Commerce Roles per API: Link

A snippet of the role identification for the more than 350 APIs
C-For the Techies: API and Model Changes compared to the previous version 9.50/V10.0.40
C.1 New APIs
None
C.2 Removed APIs
None
C.3 Data Model Changes

Comments:
- Change #3 - DisplayNonRetailOrdersInEcommerceOrderHistory: is a new parameter in D365 ERP backend > Commerce Parameters - It displays or hides Orders which have been created with the Supply Chain Pricing engine as opposed to the Commerce Pricing engine:

D-About the Author
I’ve been integrating non-Microsoft e-commerce solutions with D365 ERP and CRM since the early days of AX for Retail in 2009. Already back in 2015, I connected an E-commerce platform to D365 ERP by a predecessor of the current D365 Commerce CSU for the first time.
Get in touch via patrickmouwen.com/contact if you need help in implementing:
- D365 Commerce on top of ERP including D365 Store Commerce App and D365 e-commerce
- Customizing/Extending D365 Commerce, CSU, Store Commerce App and e-commerce
- B2C and B2B Headless Commerce/D365 ERP integrations via Commerce CSU
- B2C and B2B Commerce Platform/D365 ERP integrations via Commerce CSU
- Customer Service operation based on D365 ERP and D365 CE data utilizing Commerce CSU
- Social Commerce/D365 ERP integrations via Commerce CSU
- Professional App (React.JS)/D365 ERP integrations utilizing Commerce CSU
- POS/ERP integration
Disclaimer
The content of this article represents my independent technical analysis and personal interpretation of publicly available software artefacts. It is not endorsed by, affiliated with, or authorised by Microsoft Corporation. Nothing in this article constitutes official Microsoft documentation, guidance, or product commitments.
All findings are derived from analysis of the software and public documentation. Feature descriptions, presumable use cases, and “likely intent” assessments reflect my professional opinion based on observable code and API changes — they may not reflect Microsoft’s actual design intent, planned behaviour, or final implementation.
Information regarding features described as preview, private preview, or roadmap items is subject to change at Microsoft’s sole discretion and should not be relied upon for planning, purchasing, or architectural decisions. This article describes the product as at the date of publication above.
This article is provided for informational and educational purposes only, on an “as-is” basis without warranties of any kind, express or implied. The author assumes no liability for any direct, indirect, incidental, or consequential damages arising from the use of or reliance on the information contained herein.
For authoritative product information, consult Microsoft’s official documentation at learn.microsoft.com.