Hi - I answer from the OpenSmartRoute documentation: routing, the API, plans and quotas, self-hosting. Ask away, or open a support ticket if you need a person.
Grounded in the docs - follow a source before acting on it.
ieUnit – neutral value reference unit - Tool - OpenSmartRoute
Toolv1.1.0
ieUnit – neutral value reference unit
Neutral value reference unit: live value, history, conversion and methodology.