We use Mulesoft where I work, and XML namespaces are a constant issue. We never managed to define an API spec in such a way that the RAML compiler and the APIKi

We use Mulesoft where I work, and XML namespaces are a constant issue. We never managed to define an API spec in such a way that the RAML compiler and the APIKit validator would both accept the same payload. In the end we just had to turn off validations in APIkit.