What problem does it solve?
It helps you design clear, durable public API contracts so clients can integrate reliably without guesswork or breaking changes.
Core Features & Use Cases
- Contract-first API design: Produce an OpenAPI 3.1 spec or GraphQL SDL that defines the source of truth for endpoints, schemas, and behavior.
- Versioning and backward compatibility: Define consistent versioning, deprecation policy, and safeguards against accidental breaking changes.
- Correctness-focused behavior: Create structured error catalogs and webhook contracts including signing, retries, and replay safety.
- SDK-ready developer experience: Configure typed SDK generation and keep public documentation aligned with the spec.
Use case example: You are preparing a public webhook and a REST API for subscription events; you want clients to know exact payload shapes, error formats, cursor pagination rules, and how to verify signature authenticity before implementing any server handlers.
Quick Start
Ask the agent to author the OpenAPI 3.1 spec and webhook contract for your subscription API, including versioning and RFC 7807 error schemas.