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.
UISandbox - Tool - OpenSmartRoute
Toolv0.3.3
UISandbox
Play with your app's design in the browser: load a build, turn the knobs, export the code.