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ACI Worldwide

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Read 117 ACI Worldwide reviews and testimonials from customers, explore 114 case studies and customer success stories, and watch 14 customer videos to see why companies chose ACI Worldwide as their Payment Gateway Software

ACI Worldwide, the Universal Payments (UP) company, powers electronic payments for more than 5,100 organizations around the world. More than 1,000 of the largest financial institutions and intermediaries, as well as thousands of global merchants, rely on ACI to execute $14 trillion each day in payments and securities. In addition, a myriad of organizations utilize their electronic bill presentment and payment services. Through their comprehensive suite of software solutions delivered on customers’ premises or through ACI’s private cloud, they provide real-time, immediate payments capabilities and enable the industry’s most complete omni-channel payments experience.

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  • 117 Testimonials View
  • 114 Case Studies View
  • 14 Customer Videos View
Customer Rating Review Score based on 4224 reference ratings
4.8/5.0 (4224)
  • Summer 2026 Market Leader Payment Gateway Software

117Testimonials

  • “As consumer demand for more digital payment options, including digital wallet payment methods and the ability to pay in increments or at a later date, has increased in the bill …

  • “What I like about LEN is its simplicity. It’s such an elegant solution. Our customers go about their daily business, using the bank’s services as they always have, while in …

  • “For more than 80 years, we have followed our vision of being our members’ partner of choice for financial success. And this means delivering them the richest banking experiences. ACI’s …

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114 Case Studies

  • Canadian Bank Prevents Money Laundering and Bank Fraud

  • Delivering Big Bank Features with Local Bank Service

  • National Australia Bank Foils Fraudsters with ACI Proactive Risk Manager

113 more case studies currently locked

14 Customer Videos

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Additional ACI Worldwide Information & Resources

Read ACI Worldwide Reviews, Testimonials & Customer References from 117 real ACI Worldwide customers.

Browse ACI Worldwide Case Studies, Customer Success Stories, & Customer References from 114 businesses that use ACI Worldwide.

Watch ACI Worldwide Customer Videos to learn why 14 businesses chose ACI Worldwide.