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XML format for the Authentication API

This page provides technical information about the XML format used with our authentication API. See the reference page for an explanation of the service and the data model that this XML format represents. There is also a JSON version of this format.

Technical specification

MIME type


Put this MIME type in the Accept header of your HTTP requests to get reponses in this XML format.


This format is formally defined by a RelaxNG schema:

For those who need it, there is also an XML Schema (XSD) version. XML Schema cannot fully express the semantics of the RelaxNG schema, so the XSD version is just a close approximation and should not be considered official.

Version history

2015-03-27: Version 2

  • Redefined the schema using RelaxNG instead of XML Schema.
  • Placed the document tree in the https://hexillion.com/namespaces/xml/auth/2 namespace.
  • Added the Accounting section.

Original version

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