XML is a language designed for information exchange over the internet. GS1 uses XML to create a set of standard messages for the GS1 EDI (Electronic Data Interchange).
GS1 XML messages can be exchanged using any technical solution or internet transport protocol. How GS1 XML works>
GS1 XML Standards
There are many XML standards, supporting processes like Order to Cash (Order, Deliver and Payment), Transport & Logistics and Upstream.