Contract First API Design with OpenAPI V3

Explore the advantages of Contract First API design using OpenAPI V3 in this comprehensive conference talk. Learn about the evolution of the Swagger specification to OpenAPI and discover new features like links and callbacks. Compare different approaches to API development, focusing on starting with an OpenAPI description before implementation. Gain insights into creating contracts, defining minimum requirements, operations, descriptions, JSON responses, parameters, wildcarding, and resource relationships. Understand how to work with OpenAPI components, content types, and reusable elements. Discover who benefits from this approach and where to find more information on Contract First API design with OpenAPI V3.

Introduction
Contract First
Create Contract
Minimum Requirements
Operations
Description
JSON Response
Parameters
Wildcarding
Links
List of Sessions
Filtered Sessions
Resource Relationships
Resources Relationship Diagram
Content Types
OpenAPI
OpenAPI Components
Reuse
Change
Single Pitch
Who does it
More information