# Westpac QuickStream REST API

**Canonical:** https://apis.io/apis/westpac/westpac-quickstream-rest-api/  
**Provider:** Westpac Banking Corporation — https://apis.io/providers/westpac/  
**Base URL:** https://api.quickstream.westpac.com.au/rest/v1  
**Documentation:** https://quickstream.westpac.com.au/docs/quickstreamapi/v1/

Westpac QuickStream REST API is one of 9 APIs that [Westpac Banking Corporation](https://apis.io/providers/westpac/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Payments, Card Payments, Payment Gateway, Merchants, and Australia. The published artifact set on APIs.io includes API documentation, a getting-started guide, and a changelog.

First-party Westpac payment API (beyond CDR). QuickStream is Westpac's online payment gateway; its public REST API v1 exposes Transactions, Customers, Accounts, Credit Cards, Recurring Payments, PayIDs, Single-Use-Tokens, Payment Files, PayTo Agreements, Businesses and API Keys resources for card and account payment processing. Uses HTTP Basic auth with a secret or publishable API key at api.quickstream.westpac.com.au/rest/v1 (test host api.quickstream.support.qvalent.com). Fully documented publicly but NO downloadable OpenAPI/Swagger is published (reference docs and Postman-based exploration only), so no machine-readable spec is wired.

## Machine-readable artifacts (3)

- **Documentation** — https://quickstream.westpac.com.au/docs/quickstreamapi/v1/
- **GettingStarted** — https://quickstream.westpac.com.au/docs/
- **ChangeLog** — https://quickstream.westpac.com.au/docs/quickstreamapi/change-log/

## Other Westpac Banking Corporation APIs (8)

- [Westpac PayWay REST API](https://apis.io/apis/westpac/westpac-payway-rest-api/)
- [Westpac Banking Corporation Banking Account Balances API](https://apis.io/apis/westpac/westpac-banking-account-balances-api/)
- [Westpac Banking Corporation Banking Account Direct Debits API](https://apis.io/apis/westpac/westpac-banking-account-direct-debits-api/)
- [Westpac Banking Corporation Banking Account Scheduled Payments API](https://apis.io/apis/westpac/westpac-banking-account-scheduled-payments-api/)
- [Westpac Banking Corporation Banking Account Transactions API](https://apis.io/apis/westpac/westpac-banking-account-transactions-api/)
- [Westpac Banking Corporation Banking Accounts API](https://apis.io/apis/westpac/westpac-banking-accounts-api/)
- [Westpac Banking Corporation Banking Payees API](https://apis.io/apis/westpac/westpac-banking-payees-api/)
- [Westpac Banking Corporation Banking Products API](https://apis.io/apis/westpac/westpac-banking-products-api/)

## Tags

Payments, Card Payments, Payment Gateway, Merchants, Australia

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/westpac/westpac-quickstream-rest-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/westpac/.