“Can Australia's oldest bank modernise its payment and lending infrastructure fast enough to retain SMB and institutional customers against nimble fintech challengers offering embedded finance natively?”
Westpac is Australia's oldest bank, operating for over 200 years as a full-service retail, business, and institutional bank. Over the last decade it has invested heavily in digital transformation — building out API-first payment products (PayWay, QuickStream), open banking infrastructure under Australia's Consumer Data Right framework, and real-time payments via NPP. Its embedded finance angle is primarily as a provider of banking infrastructure to Australian businesses (bank feeds, payment facilitation, invoice finance, super clearing) rather than as a buyer of third-party embedded finance components. The bank competes with non-bank fintechs (Stripe, Square, PayPal) in SMB payments and lending, and is building platform-like capabilities to retain business customers.
Westpac discloses Westpac Banking Corporation (in-house) as its banking provider, according to the Embedded Finance Index 2026.
Westpac does not disclose a bank charter of its own; its banking services are provided through Westpac Banking Corporation (in-house).
Westpac processes payments through PayWay API (self-operated) and QuickStream (self-operated). Disclosed money-movement rails: RTP.
Westpac's cards are issued through Westpac Banking Corporation (in-house).
Westpac integrates with Xero, QuickBooks Online, MYOB, Reckon, Sage, SAASU, SapphireOne, Eagle Shared Services and 5 others.
The Embedded Finance Index 2026 maps 6 layers in Westpac's stack: Payments / PSP (PayWay API (self-operated) and QuickStream (self-operated)); Money movement (RTP); Banking / BaaS (Westpac Banking Corporation (in-house)); Card issuing (Westpac Banking Corporation (in-house)); Lending (Invoice Finance (up to 85% of invoice value, via Dancerace portal, Xero integration), Structured trade finance — Receivable Purchase, Structured trade finance — Borrowing Base Financing, Trade Payable Finance and 4 others); Accounting (Xero, QuickBooks Online, MYOB, Reckon and 9 others).
Westpac is founded in 1817 and headquartered in Sydney, New South Wales, Australia.
Get a read on where your own stack stands against Westpac and the rest of its category — what they built versus bought, which providers they use, and where the gaps in your own strategy and competitive set actually are.