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Application Programming Interfaces (APIs) in UI Modernization

APIs are essential to Unemployment Insurance (UI) modernization because they enable seamless, real-time data exchange across legacy and modern systems without costly migrations, support modular and incremental IT system updates as recommended by the U.S. Department of Labor, and facilitate rapid adaptation to changing requirements and digital-first service delivery, thereby accelerating innovation, reducing costs, and enhancing operational efficiency.

Why the Use of APIs Is Critical to Your Modernization Project

APIs can dramatically accelerate Unemployment Insurance (UI) modernization by unlocking and allowing legacy data and applications to be consumed by cloud services. This enables innovation without the risks, delays, and costs often associated with data migration. APIs are agnostic to the type of UI benefits system—whether it's an older mainframe, a newer legacy, or a modernized system—they can facilitate real-time data exchange between any of them.

The U.S. Department of Labor’s Education and Training Administration (DOL/ETA) is encouraging state agencies to leverage APIs in UI modernization efforts for good reasons. Deploying microservices or modules offers many advantages over all-in-one monolithic applications. The DOL UI modernization team, in its recently published IT Modernization Strategy, stated: “to reduce the cost of IT system change, states should adopt modular systems that are easy to maintain incrementally, reuse existing software, and integrate new solutions through standard interfaces and an API-first approach.” Additionally, recent UIPL No. 11-23 references “API” twelve times in its recommendations for modernizing UI systems.

The pandemic significantly impacted business operations, work environments, service delivery, and communication. APIs are central to redefining how these activities are accomplished, as they enable ongoing digital transformation. APIs are essential for enabling new services, and the shift toward digital-first strategies has made them a higher priority than ever before.

Agencies are expected to adapt quickly to changes, such as new guidance. APIs streamline transformation, support faster application or service delivery, and reduce operational and technology costs by simplifying and accelerating development. In short, APIs are key for modernizing your UI platform.

Think of APIs as the “connective tissue” between your various applications and modules. They help manage data flows and customizations, providing plasticity and efficiency that can be more important than the application itself. When evaluating vendors, ask if they utilize APIs to communicate between benefits systems and other microservices—this is a crucial consideration for your modernization strategy.