payments

Infcurion Bolsters B2B Payment Ecosystem via Strategic Alliance with Credit Saison

Norbert Gehrke

24 Mar 2026 — 2 min read

Tokyo-based FinTech leader Infcurion has announced a significant expansion of its “Winvoice” platform by entering into a strategic partnership with Credit Saison, one of Japan’s largest credit card issuers, to integrate American Express brand cards into its service ecosystem.

Users of Infcurion’s "Winvoice" platform can now utilize American Express cards issued by Credit Saison for invoice settlements. This integration is a direct response to growing market demand for diversified payment options within the business-to-business sector. By broadening its brand portfolio, Infcurion aims to enhance user convenience and sharpen its competitive edge in the high-growth B2B transaction market.

Streamlining Corporate Cash Flow

The "Winvoice" platform serves as a comprehensive, one-stop solution for businesses looking to transition from traditional bank transfers to credit card-based invoice payments. The platform is designed for rapid deployment—allowing client companies to launch their own branded payment services in as little as two months. Furthermore, "Winvoice" offers robust API integration, allowing enterprises to embed card payment functionality directly into their existing digital ecosystems to create a seamless user experience (UX).

Strategic Outlook

The partnership underscores Infcurion’s mission as a "FinTech Partner" dedicated to embedding financial functions across all industries. Led by CEO Hiroki Maruyama, the company has leveraged its consulting expertise and modern, modular payment systems to cover the entire spectrum from B2C cashless payments to complex B2B settlements.

This latest move with Credit Saison reflects a broader trend in the Japanese financial landscape: the shift toward "transactional efficiency." By allowing businesses to pay invoices via Amex, Infcurion provides CFOs with better cash flow management tools and the ability to leverage card-based rewards on large corporate expenditures.

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