<Version> ::= <Major Version> "." <Minor Version>

Version is used so that the Sinch Authentication 365 API can support multiple different versions of the messages at the same time. A change to the Major Version is made whenever the API has changed in a way that is not backwards compatible.

A change to the Minor Version is made when new functionality is added or existing functionality changed in a way that is backwards compatible.

Version is always the first attribute in a message. The structure of and the position of Version in a message never changes. For example:[version]/oauth/token

Example release 1.0: