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Host Testing Solutions

Flexible and comprehensive payment infrastructures for issuers, acquirers, processors and merchants.

Host testing and regression testing for issuer, acquirer, processor and merchant


Our host testing services are the most comprehensive tools available for any issuer, acquirer, processor or merchant who wants to test their payment infrastructure host systems. From card, via hosts to terminal, our solutions are essential for mitigating risk and ensuring interconnectivity.


Test your products, smart cards, terminals, UICC cards and more, to help ensure interoperability.

  • We offer more than 80 test tools and simulators covering mobile, payment, transit and e-identification domains.
  • Accredited and qualified tools by major payment schemes, such as American Express, Diners, Discover, Interac, JCB, Mastercard, UnionPay and Visa, and industry bodies, like EMVCo, GCF, GlobalPlatform, MIFARE and PTCRB.
  • High-quality test tools speed up your testing and certification procedures.
  • Unique combination of tools, simulators and test suites to suit a broad range of testing abilities.
  • Providing state-of-the-art functional test tools is essential to prepare for mandatory formal certifications.
  • A strong team of knowledgeable experts continuously works on the development of existing and new tools, allowing us to maintain high standards and quality.
  • All test tools can be customized to meet your specific requirements.

Why UL

With our host testing services, you can expect flexible and clear configuration, increased performance delivery and increased capability through the life cycle of your service.

Additional resources

ASTREX: The most powerful real-time payments simulator

UL Web Host Test Tool: Comprehensive test tool for testing EMV transaction processing hosts and switches

UL Card Simulator: Complete card simulation tool to test the correct processing of payment transactions on payment devices

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