registry/ato.gov.au A ato.gov.au 1 integration · REST Authentication live Find how to authenticate with ato.gov.au — where to get the credential and how to pass it.Find auth setup → REST · OpenAPI 1 Business Registries # Introduction The Business Registries API is built on HTTP. The API is RESTful. It has predictable resource URIs. The API is d v0.0.6