7 ACI Worldwide Alternatives to Consider in 2026

Disclosure: This commercial comparison is published by Akurateco. Information about third-party platforms is based on publicly available provider websites and documentation reviewed on October 8, 2026. Products, features, integrations, and availability may change. The descriptions reflect Akurateco’s understanding of the cited materials and should be verified directly with each provider before making a purchasing decision.

For PSPs, ACI Worldwide provides a gateway they can operate under their own brand, back office included. Below are seven platforms that PSPs, acquiring banks and ISOs can consider alongside ACI Worldwide.

About ACI Worldwide

ACI Worldwide develops payment technology for banks, financial institutions, merchants and billers. Its ACI Payments Orchestration Platform is built for merchants and PSPs and brings connectivity, routing, fraud management, tokenization and unified reporting into one centralized platform.

Documented capabilities:

• Connectivity to 250+ payment APIs; coverage in 160+ countries, with alternative payment methods and partner connections
• Acquirer-independent multi-acquirer setups with local and cross-border acquirers
• Transaction routing by rules or AI models, with soft-decline retries and fallback to another acquirer
• Fraud management with models, rules, lists and strategies adjustable per market, channel and payment method, plus 3D Secure exemptions and Cybersource device fingerprinting
• Tokenization through a token vault for cards and alternative payment methods, including omni-tokens and network tokens
• Unified reporting with transaction and settlement reports and analytics dashboards by merchant, provider, payment method and country
• White-label payments gateway with a PSP-branded back office and white-label payment analytics
• Merchant Portal with a PSP-to-merchant account hierarchy, user roles and inherited processing settings
• Delivery models across ACI’s software portfolio: licensed (run in a private or public cloud), SaaS or hybrid
• Implementation team, always-on help desk and account team for PSPs

Use cases:

• Banks and financial institutions managing payment services
• Large merchants operating across several countries and payment channels
• Merchants working with multiple acquirers and payment methods
• PSPs offering a white-label payments gateway under their own brand
• E-commerce, travel, subscription and marketplace merchants

Sources: ACI Worldwide Official Website

Source information checked October 8, 2026.

7 ACI Worldwide Alternatives

Akurateco, the publisher of this page, comes first. The other vendors are in alphabetical order, not ranked.

Akurateco

Akurateco is a payment software vendor. Its white-label payment software covers a white-label payment gateway and a payment orchestration platform, for PSPs, acquiring banks and ISOs that want to launch, operate, and scale branded payment infrastructure without building the technology from scratch. Akurateco is not a payment processor, and clients bring their own acquiring.

Akurateco combines white-label gateway infrastructure with merchant management, tokenization, fraud controls, reporting, billing, and payment operations support.

Documented capabilities:

• 700+ connections to global and local payment providers and payment methods, listed on the connectors page
• White-label branding across payment interfaces, dashboards, merchant portals, domains, and applications
• Routing, cascading, retries, and failover rules based on provider performance, geography, and transaction data
• 150+ configurable fraud rules and third-party risk integrations
• SaaS onboarding typically completed within 2-5 business days; additional connectors typically delivered within 10-20 business days
• Tokenization and vaulting, including network tokenization
• Centralized reporting across PSPs, acquirers, payment methods, and transaction flows

Use cases:

• PSPs launching a branded payment gateway under their own name
• Acquiring banks adding merchant-facing payment gateway technology without developing infrastructure from scratch
• ISOs and payment consultants expanding into gateway services
• PSPs that need merchant management, billing, reporting, and fraud tools in one stack

Pricing: Discussed individually.

Sources: Akurateco Official Website

Source information checked October 8, 2026.

Decta

Decta provides payment gateway technology with white-label, orchestration and payment-management capabilities, alongside its own acquiring, card issuing and processing services.

Documented capabilities:

• Fully hosted, cloud-based white-label payment gateway with branding options and full-page, iFrame, direct post and direct API checkout
• Transaction, payment flow, provider and channel management
• Connections to DECTA Limited and third-party acquirers
• Payment orchestration inside the gateway: routing by geography, transaction type, cost and success rate, cascading, failover and retries
• Back office for sub-merchant onboarding, permissions, limits and currencies
• Card payments, open banking and digital wallets; transactions in more than 50 currencies
• Invoicing, subscriptions and card-on-file recurring payments
• Fraud and risk management, tokenization and 3D Secure
• Centralized reporting and analytics, including real-time payment tracking

Use cases:

• PSPs launching a branded payment gateway
• ISOs and marketplaces offering payment acceptance under their own brand
• Enterprise merchants managing several payment providers through the gateway
• Companies that need white-label payment infrastructure
• Teams combining gateway operations with provider management

Sources: Decta Official Website

Source information checked October 8, 2026.

See also: Decta alternatives.

Ikajo

Ikajo provides a white-label payment gateway for companies that want to accept and manage payments under their own brand.

Documented capabilities:

• Fully brandable white-label payment gateway
• Customizable hosted payment page
• 100+ payment connectors and support for over 150 currencies
• Connector development on request
• Support for card payments, alternative payment methods, and cryptocurrencies
• REST API, SOAP API, and hosted payment page integration options
• Smart routing and cascading
• Integrated anti-fraud and chargeback tools
• Incoming-payment reconciliation
• Payment calendar for reviewing incoming payments
• Customer, integration, and legal support

Use cases:

• PSPs launching branded payment services
• Companies upgrading or replacing their payment processing infrastructure
• Online merchants optimizing payment performance across several payment integrations
• Merchants combining payment processing with gateway branding

Sources: Ikajo Official Website

Source information checked October 8, 2026.

NMI

NMI provides white-label gateway infrastructure for organizations developing branded payment services across e-commerce, in-store, mobile, and self-service channels.

Documented capabilities:

• White-label gateway with partner logos, colors, custom domains and configurable account settings
• APIs, SDKs and developer tools for online, point-of-sale, mobile and self-service payments, with partner training and support
• Merchant onboarding, underwriting, boarding and account administration, with user permissions
• Connections to third-party processors and acquirers, with processors, value-added services and fee schedules assigned to each merchant
• Transaction routing and load balancing across processors and MIDs by volume share, ticket limit or merchant-defined fields
• Fraud rules by transaction value and volume, card-testing detection, 3-D Secure and Kount fraud screening
• Customer Vault and Customer Token Vault, including network tokenization and automatic card updates
• Recurring and subscription billing, plus direct merchant billing with commissions paid to partners and residuals calculation
• Merchant Central portfolio reporting on transactions, settlement, reconciliation and disputes across supported processors, with real-time analytics and dashboards
• Card, ACH, Apple Pay and Google Pay acceptance across digital and physical channels

Use cases:

• Banks, ISOs, payment facilitators and SaaS providers launching payment products under their own brand
• Software companies adding payment functionality to their platforms
• Organizations responsible for onboarding and administering merchant accounts
• Merchants accepting transactions through both online and in-person channels
• Companies managing subscriptions, repeat payments, or stored customer credentials

Sources: NMI Official Website

Source information checked October 8, 2026.

See also: NMI alternatives.

paytech

paytech provides a modular payment technology stack with white-label gateway and payment orchestration components for PSPs, acquirers and merchants.

Documented capabilities:

• White-label payment gateway components
• 900+ third-party integrations
• Payment orchestration capabilities
• Smart routing and cascading
• Fraud prevention modules
• Monitoring of user activity, transaction flows and suspicious traffic
• Onboarding module for customer registration
• Development and support services, with 24/7 expert support
• Branded checkout with multiple payment page designs
• APIs and developer resources
• Cloud-based architecture

Use cases:

• PSPs launching payment services under their own brand
• Acquirers that want full ownership of a white-label gateway platform
• Online merchants connecting several PSPs through one API
• Companies adding front-end or back-end payment modules to an existing payment product

Sources: paytech Official Website

Source information checked October 8, 2026.

Tranzzo

Tranzzo provides white-label PSP and payment gateway technology for companies that want to run payment services under their own brand.

Documented capabilities:

• Fully customizable white-label PSP and gateway
• Primary payment-processing capabilities
• Merchant-management dashboards
• Branded merchant portal and payment pages
• Anti-fraud tools
• Back-office management
• More than 330 ready-made integrations and payment channels
• 180 payment methods in more than 190 countries
• APIs and integration support
• Transaction monitoring, analytics, and customized reports
• Smart routing and cascading
• Recurring and split payments, payment links with QR codes, 3D Secure 2 and card tokenization

Use cases:

• PSPs launching payment services under their own brand
• Payment companies managing merchants and transaction flows
• Companies that need a branded merchant portal and checkout
• Companies expanding payment-method and regional coverage

Sources: Tranzzo Official Website

Source information checked October 8, 2026.

UniPay Gateway

UniPay Gateway provides payment gateway software for PayFacs, SaaS platforms, ISOs, aggregators and investment companies, offered as a hosted white-label gateway or as an on-premises licence with source-code access.

Documented capabilities:

• Hosted white-label payment gateway
• On-premises software licence with source-code access
• 100+ integrations with banks
• Merchant underwriting and onboarding
• Recurring billing
• Full-cycle chargeback management
• Omnichannel payment processing
• Merchant remittance functions
• Reporting and reconciliation
• API documentation and integration resources
• Merchant-management and payment-facilitation functions

Use cases:

• PayFacs and aggregators managing merchant onboarding and payment processing
• ISOs offering gateway technology under their own brand
• SaaS companies embedding payment acceptance
• Investment companies and equity groups offering payment processing under their own brand
• Companies that require on-premises deployment or source-code access

Sources: UniPay Gateway Official Website

Source information checked October 8, 2026.

Key Akurateco Capabilities

Akurateco provides the gateway and orchestration layer on top of acquirers and does not process transactions itself. It is a strong fit for PSPs, acquiring banks and ISOs that need white-label payment software to:

• Manage merchants, roles, limits, payment settings, and transaction flows from one system
• Configure merchant billing and invoicing
• Access real-time reporting, analytics, and reconciliation support
• Choose between SaaS, cloud-agnostic, and On-Premises deployment
• Use Payment Team as a Service for implementation and ongoing payment operations support

Akurateco’s infrastructure is PCI DSS v4.0.1 Level 1. The platform is licensed by SAMA, QCB and the Financial Regulatory Authority (FRA). Client examples are on the case studies page.

How to Evaluate ACI Worldwide Alternatives

Each question starts from something ACI Worldwide documents about its own products (aciworldwide.com, checked October 8, 2026). Put the same question to every provider on the shortlist, Akurateco included.

• Which acquirers and processors can be connected? ACI Worldwide documents an acquirer-independent platform with local and cross-border acquirers. Ask every provider, Akurateco included, for a named list of the acquirers and processors you need in your markets, including the ones you already work with.
• How are retries and fallbacks set up? ACI Worldwide documents retries after soft declines and fallback to another acquirer. Ask every provider, Akurateco included, which conditions trigger a retry or a fallback and how those rules are configured.
• Which parts run under your brand? ACI Worldwide documents a PSP-branded back office and a white-label analytics tool. Ask every provider, Akurateco included, which interfaces and reports run under your brand.
• Where are tokens held? ACI Worldwide documents a token vault with omni-tokens and network tokens. Ask every provider, Akurateco included, where tokens are stored and which token types it supports.

A longer list of criteria is in the provider selection criteria in our white-label gateway guide.

Conclusion

According to its website, ACI Worldwide offers PSPs a white-label payments gateway, and merchants and PSPs an orchestration platform with acquirer-independent connections, routing with retries and fallback, and a token vault. The choice between ACI Worldwide and the platforms above depends on which acquirers you connect, how retries and fallbacks must work, how far your brand must reach and where stored credentials are held.

For PSPs and acquiring banks that run merchant portfolios under their own brand, see how Akurateco works for PSPs.

Related comparison: Cardstream alternatives. The full list is on the alternatives page.

FAQ

What is ACI Worldwide?

ACI Worldwide is a payment software company serving banks, merchants, billers and PSPs. Its orchestration platform is acquirer-independent, so clients pick the acquirers, processors and payment methods they use. Source: aciworldwide.com, checked October 8, 2026.

What are the alternatives to ACI Worldwide?

This guide describes seven: Akurateco, Decta, Ikajo, NMI, paytech, Tranzzo and UniPay Gateway. Each profile is based on that vendor’s own website, checked October 8, 2026.

What should I check before choosing an ACI Worldwide alternative?

Check four things: which acquirers and processors can be connected, how retries and fallbacks are set up, which parts run under your brand, and where tokens are held. Ask every provider on the shortlist, Akurateco included, for written answers that match your setup.