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.
Moltline Merchant Maths - Tool - OpenSmartRoute
Toolv1.1.0
Moltline Merchant Maths
Processor fees, charge-to-net, invoice totals and proration. 3 of 6 tools free.