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The Westpac Open Banking Product API enables third parties to retrieve information about products that Westpac currently offers. It is designed and documented to support the Australian Consumer Data Standards.

Our Product API covers the following products for both retail and business customers:

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

Data for the rest of Westpac's products will be progressively added to the API in line with the time-frame spelled out by the Consumer Data Right legislation.

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.

Production Endpoints are located at the following URL:


Product Reference Version v1
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 REST based API that provides the data via a HTTP GET request.
  • The data returned is defined by 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. Simply use the information provided here
Test Guide There are no specific test considerations for the Product API. The API is stateless, so each call is independent of others. The only operation is a read (HTTP GET) all other operations are unavailable.

Known Issues

There are currently no known issues with the Product API.