This document discusses API readiness and provides steps to visualize, validate, virtualize, and monitor APIs. It emphasizes the importance of documentation, testing, mocking, evangelism, management, and monitoring for successful APIs. Visualizing APIs through tools like Swagger, Ardoq, and LucyBot helps describe service definitions. Validating APIs involves functional, load, and security testing. Virtualizing APIs allows for parallel development and testing through static mocks, dynamic mocks, and virtual APIs. Monitoring APIs keeps production stable and prevents bottlenecks during ongoing development.