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.
While the file names change from one month to the next, the following URLs are permanent and can be included in any download facilities.
TEXT
https://auspaynetbsbpublic.blob.core.windows.net/bsb-reports/BSBDirectoryFull.txt
CSV
https://auspaynetbsbpublic.blob.core.windows.net/bsb-reports/BSBDirectoryFull.csv
XLS
https://auspaynetbsbpublic.blob.core.windows.net/bsb-reports/BSBDirectoryFull.xls
TEXT
https://auspaynetbsbpublic.blob.core.windows.net/bsb-reports/BSBDirectoryUpdate.txt
CSV
https://auspaynetbsbpublic.blob.core.windows.net/bsb-reports/BSBDirectoryUpdate.csv
XLS
https://auspaynetbsbpublic.blob.core.windows.net/bsb-reports/BSBDirectoryUpdate.xls
XML
https://auspaynetbsbpublic.blob.core.windows.net/bsb-reports/BSBDirectoryUpdate.xml
Note that XML files may be interpreted differently by your web browser.
The "Key to Abbreviations" CSV file has been updated in May 2025 with an improved structure for clarity and ease of use. The updated version now includes an additional column, 'Parent FI', providing a clear separation of information that was previously combined or implied. The order of existing fields has also been adjusted.
Here's what each field in the updated file represents:
Should you have any questions or encounter any issues downloading AusPayNet BSB Data, please contact us at
operations@auspaynet.com.au.
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.