BSB System
The BSB System
AusPayNet administers the Bank-State-Branch (BSB) System for financial institutions in Australia. There is a public BSB Search facility available.
The BSB site also hosts files containing up to date BSBs which can be downloaded and supports a public API service for searching BSBs. A list of static links (Changing 1 December 2025) is located here
Contact
Should you have any questions or encounter any issues downloading AusPayNet BSB Data, please contact us at
operations@auspaynet.com.au.
BSB API
The BSB API System allows external parties to build systems that look up BSB data. The API is free to use but requires registration.
API Registration.
