Learn how to leverage OpenAPI Specification for web APIs in Julia through this comprehensive 46-minute video tutorial from JuliaHub. Master the fundamentals of OpenAPI and explore its implementation using the OpenAPI.jl package alongside Julia code generator plugins. Follow along with a practical example that demonstrates the complete workflow - from writing specifications to building a Julia web service and developing a corresponding client for consumption. Gain hands-on experience with OpenAPI basics, discover techniques for consuming OpenAPI services in Julia, and learn best practices for exposing OpenAPI services through Julia implementations.