Resources
cXML
Articles on the cXML protocol: mapping, PunchOutSetupRequest and PunchOutOrderMessage messages, best practices.
cXML vs XML: what is the difference?
XML is a generic markup format published by the W3C. cXML is a business language built on XML for B2B e-procurement. Every cXML document is XML, almost no XML document is cXML. Explanation with examples.
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cXML vs OCI: what is the difference and which one to choose?
cXML and OCI are the two dominant formats in B2B PunchOut. Their origins, technical mechanisms, and use cases are very different. This guide helps you understand which one you will encounter and how to handle them.
Most common cXML errors: understand, debug, fix
cXML errors are silent by design, poorly documented, and buyers rarely give details. This guide covers the Status codes you will actually hit in Magento 2 / Adobe Commerce integrations and how to debug them fast.
UNSPSC mapping in PunchOut: why it matters and how to structure it
UNSPSC codes are often required by procurement systems in the PunchOutOrderMessage. Understanding this classification, common mistakes, and how to structure the mapping to avoid rejections.
What is cXML and why does it matter in e-procurement?
cXML (commerce XML) is the language that procurement systems and B2B storefronts speak to each other. Understanding its key messages before starting a PunchOut project saves a lot of surprises.