Embedded-finance provider tracked in the Embedded Finance Index — disclosed by 3 companies across 1 category.
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ACI Worldwide was founded in 1975 as Transaction Systems Inc., originally providing payment software to banks and processors. Over decades it evolved into a global payments infrastructure company serving banks, intermediaries, billers, and merchants through on-premise and SaaS-based real-time payment, bill presentment, and merchant acquiring platforms. Its eCommerce Connectors network connects hundreds of global acquirers and alternative payment methods, positioning it as middleware between merchants and the financial system. A 2024 go-private transaction with Siris Capital Group signals a shift toward deeper infrastructure investment away from public market pressures.
Other PSP providers in the index, by the number of companies that disclose them. A count of public disclosures, not a ranking of the products.
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<img src="https://www.embeddedfinanceindex.com/api/badge/aci-worldwide/install" width="1" height="1" alt="" style="display:none">3 companies are linked to ACI Worldwide in the Embedded Finance Index 2026, through their own public disclosures or ACI Worldwide's published customer list, including State Bank of India, Rabobank and Gr4vy.
ACI Worldwide is an embedded-finance provider in PSP. It ranks #118 of 528 PSP providers by linked companies.
The most-named PSP alternatives to ACI Worldwide are Stripe (782 buyers), Adyen (317 buyers), PayPal (153 buyers), Checkout.com (114 buyers), Worldpay (88 buyers) and Mollie (63 buyers).
ACI Worldwide is founded in 1975 and headquartered in Coral Gables, Florida, USA.
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