We've inherited a lot from the mainframe era. We have a number of legacy applications running in various industry verticals. Banking applications are still running legacy code. No one can dispute that the mainframe computer gives the highest performance. Typically, legacy applications follow the monolithic architecture. Also, legacy applications are massive. There are several other drawbacks associated with the legacy era. Still, due to their unique capabilities, enterprises are pretty slow to modernize their legacy investments. This encourages to bring an integration pipeline between modern and legacy applications. Legacy systems carry and store a lot of business transaction data. The API-integration platform enables data integration. That is, data can be extracted, transformed, and loaded into databases and warehouses associated with, and attached to, new applications. To produce and sustain integrated systems, it's mandatory to get and use legacy data. API-integration platforms are handy for this persisting need.

API integration platforms facilitate the formation of composite applications. With MSA becoming the shrewdest choice of application architectures, composing (through orchestration, choreography, or hybrid methods) is an important job for producing process-aware and business-critical applications. As we all know, every microservice exposes an API. Thus, to combine multiple microservices to produce composite applications, the contributions of API integration platforms are manifold.

API integration platforms ensure faster cloud adoption and future-proof enterprise integration. You need an API-integration platform to future-proof enterprise integration. The following is forecast in years to come:

• Millions of software services
• Billions of connected devices
• Trillions of digitized artifacts

As every physical, mechanical, electrical, and electronic system is fitted with APIs and presented as services, the adoption of API integration platform solutions is bound to escalate in the years to come.