gRPC to JSON proxy generator following the gRPC HTTP spec

lightweight, idiomatic and composable router for building Go HTTP services

Promise based HTTP client for the browser and node.js

String validation

Microsoft REST API Guidelines

A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI v3.1, v3.0, and v2.0 as well as AsyncAPI v2.x.

A compiler for APIs described by the OpenAPI Specification with plugins for code generation and other API support tasks.

API definitions for the Istio project

Common generator scripts for all client libraries

Kubebuilder - SDK for building Kubernetes APIs using CRDs

GRPC for low-memory environments

Rust implementation of ttrpc (GRPC for low-memory environments)

Container Runtime Interface (CRI) – a plugin interface which enables kubelet to use a wide variety of container runtimes.