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St.George Open Banking Product API

The St.George Open Banking Product API (Application Programming Interface) enables third parties to retrieve information about products that Bank of Melbourne currently offers. It is designed and documented to support the Australian Consumer Data Standards.

Our Product API includes products for both retail and business customers such as:

  • Transaction Accounts
  • Savings Accounts
  • Term Deposits
  • Credit Cards    

Data for additional products will be progressively added to the API in line with the timeframes specified by the Consumer Data Right rules.

How to access our API:

Product details including conditions, rates and fees may change from time to time without notice. Please direct your end users to refer to for current product details.

Product reference data for St.George as well as other Westpac Group brands is available at the following URL:


Key Features

Products - Products that are currently openly offered to the market

Features - Array of features available for the product

Constraints - Constraints on the application for or operation of the product such as minimum balances or limit thresholds

Eligibility - Eligibility criteria for the product 

Fees - Fees applicable for the product

Deposit Rates - Interest rates available for deposits

Lending Rates - Interest rates charged against lending balances

How it works

Product API is a RESTful API that provides the data via HTTP GET requests.

The data returned is in the format specified by the Australian Consumer Data Standards.

The API is available to everyone with no restrictions on use.

Requirements to use As per the standards defined by Australian Consumer Data Standards, no security or other headers are required to call this API.