You can use the SMSF alias lookup API to verify the details of a self-managed super fund (SMSF) alias and its associated gateway.

You can use the DSG health check API to check the current operational status of the ATO Digital Services Gateway to determine its readiness to accept traffic.

You can use this API to get the stapled super fund of a newly joined payee

The OAuth dynamic client registration (DCR) API enables you to register instances of your software with the ATO authorisation server (ATO SSO/IdP).