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.
Avalara Tax Registrations and Business Licenses - Tool - OpenSmartRoute
Toolv1.0.0
Avalara Tax Registrations and Business Licenses
Provides access to Avalara Tax Registration and Business Licenses APIs for filings and registrations