API Integration is the process of connecting two or more software applications through their Application Programming Interfaces (APIs) to enable seamless data exchange and functionality sharing. It allows systems to communicate with each other, automate processes, and enhance overall efficiency. Through API integration, developers can access features or data from another service (e.g., payment gateways, third-party services, databases) without needing to build everything from scratch.
Typical use cases include:
Connecting a website to a payment processor
Syncing data between a CRM and marketing platform
Automating workflows across multiple applications
API integration is essential in modern software development to build scalable, modular, and efficient systems.