Airwallex is a multinational financial technology company offering financial services and software as a service (SaaS). Founded in 2015 in Melbourne, Australia and currently based in Singapore, the company is a financial technology platform providing cross-border payments and financial services to businesses through a proprietary banking network and its API. It also provides services and products such as business accounts, expense cards, and payroll, among others. It was Australia's third technology unicorn company overall. With a valuation of US$5.5 billion, as of 2022, the company processed $50 billion in annualized transactions.