api-style-guide

Five API styles (REST, GraphQL, gRPC, SOAP, WebSocket) implemented in Python against the same domain — with benchmarks, examples, and a decision guide.

Spectral — independent third-party profile of a public API surface, by API Evangelist. Spectral is an open-source API style guide enforcer and linter from Stoplight, providing a flexible JSON/YAML linting engine with built-in support for OpenAPI (v3.1, v3.0, v2.0), Arazzo v1.0, and AsyncAPI v2.x.

API Linting — independent third-party profile of a public API surface, by API Evangelist. API Linting is a topic index for the tools, rulesets, vocabularies, and practices that automate API style guide enforcement across OpenAPI, AsyncAPI, JSON Schema, and adjacent contract formats.