API Integration
Turn mainframe and IBM i business logic into governed APIs — without rewriting the systems underneath.
Your AI is only as capable as the systems it can reach
Legacy platforms were built for batch jobs and green-screen sessions. Agentic AI needs real-time, structured, machine-callable access — and the two don’t meet without something in between. That gap, not the models, is where AI initiatives are stalling.
Ship in days, not months
One platform, not a stack
AI-ready from day one
Contract-first, readable APIs that agents can reason about — expose only what AI needs, so no second project later to bolt on agent access.
Integration is a flavor of modernization
API integration usually gets treated as a stopgap — the quick fix while you plan the "real" rewrite. It's not. Encapsulating legacy assets behind governed APIs is a recognized modernization strategy in its own right, and agentic AI has made it urgent rather than optional: the business logic your AI needs most is locked inside systems it can't reach. Every API you generate is a permanent step forward — not a throwaway.
Recommended Resources
Legacy Technology Got You Down? Try Microservices and Cloud-Native Architecture
With the rise of hybrid IT and cloud-native computing there are many more modernization options available. Expert, Jason Bloomberg shares his insights.
How to Evaluate Current Approaches to Legacy Integration
OpenLegacy provides a solution which solves challenges of traditional integration, providing a way to rapidly generate digital services delivering core functionality for use in the cloud, on-prem or both.
How Your Peers Solved Common IBM Mainframe Challenges
This white paper covers insightful, real-life user stories about how your IBM Mainframe peers have approached common issues that you may be facing now.
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