JSPM

tRPC OpenAPI

Simplify JsonSchema/Openapi by combining allOf safely

It generates a REST API from a YAML file using OpenAPI 3.0 and Express.js.

JSON Schemas for every version of the OpenAPI Specification

Building & bundling https://github.com/APIs-guru/openapi-directory for easy use from JS

Common code for jest-openapi and Chai OpenAPI Response Validator

Import any file, URL or content to get an OpenAPI document

Converts Postman collections to OpenAPI documents

An OpenAPI framework for any web framework

Generate beautiful API references from OpenAPI documents

a Next.js component to render API references from an OpenAPI file

OpenAPI Specification (OAS) utilities and helpers for Kubb, providing parsing, normalization, and manipulation of OpenAPI/Swagger schemas.

Build, Validate, Route, Authenticate and Mock using OpenAPI definitions. Framework-agnostic

Probably don't want to beg hackers to come and take your stuff.

OpenAPI 3 and 3.1 schema generator and validator for Hono, itty-router and more!

OpenAPI Specification (OAS) plugin for Kubb, providing core functionality for parsing and processing OpenAPI/Swagger schemas for code generation.

Store interface for openapi documents

Simple utility to mock example objects based on JSON schema definitions

Conversion library for transforming joi schema objects into swagger / OpenApi OAS 3.0 schema definitions.

A fluent client for OpenAPI and Swagger

An unopinionated OpenAPI framework for express

Validate OpenApi specifications against their JSON schema

modern OpenAPI parser written in TypeScript

Command-line interface for Kubb, enabling easy generation of TypeScript, React-Query, Zod, and other code from OpenAPI specifications.

OpenAPI Codegen cli

Sets default values in request properties according to defaults defined in openapi parameter lists.

A library to process OpenAPI security definitions in parallel.

openapi-io-ts core package

A typed fetch client for openapi-typescript

Jest matchers for asserting that HTTP responses satisfy an OpenAPI spec

A library that simplifies Swagger integrations.

OpenAPI code generation tool with validation powered by io-ts

OpenAPI Codegen typescript generators

TypeScript code generation plugin for Kubb, transforming OpenAPI schemas into TypeScript interfaces, types, and utility functions.

Convert between schema specifications

Convert OpenAPI 3.0 or Swagger 2.0 definitions into aspida

An OpenAPI v3.0 development workflow assistant

generate a fastify configuration from an openapi specification

Middleware for generating OpenAPI/Swagger documentation for your Express app

Resolve OpenAPI Refs and/or convert Swagger 2.0 to OpenAPI

OpenAPI plugin for Docusaurus.

Fastify plugin for zod-openapi

API Telemetry and APM. Trace API calls and Monitor API performance, health and usage statistics in Node.js Microservices, based on express routes and Swagger (Open API) specification

Generate random mock data from OpenAPI descriptions for msw.

tRPC OpenAPI

OpenAPI theme for Docusaurus.

Runtime OpenAPI v3 spec generation for routing-controllers

Minimalistic OpenAPI 3 ⬌ JSON Schema (draft 7) conversion

Redoc for DocusaurusV2

Zod schema generator plugin for Kubb, creating type-safe validation schemas from OpenAPI specifications for runtime data validation.

Validate openapi documents.

OpenAPI/ Swagger / AsyncAPI / Semoasa definition to Slate / Shins compatible markdown

Generate JavaScript or TypeScript code from Swagger/OpenAPI specifications

OpenAPI's JsonSchema validator, Powered by Ajv

API client generator plugin for Kubb, creating type-safe HTTP clients (Axios, Fetch) from OpenAPI specifications for making API requests.

Make your HTTP APIs better, faster, stronger, whether they are still being designed (API Design-First) or your organization has flopped various mismatched APIs into production and now you're thinking some consistency would be nice. Using Spectral and Open

Filter internal paths, operations, parameters, schemas etc from OpenAPI/Swagger definitions

Generate SWR hooks from OpenAPI schemas

Plugin for validating API schemas from API documentation

Express middleware to validate request based on an OpenAPI 3 document

Conversion library for transforming Mongoose schema objects into Swagger schema definitions.

Library for validating, parsing, and formatting data against open api schemas.

Port OpenAPI Spec to Postman Collection, with contract & variation tests included

React Query hooks generator plugin for Kubb, creating type-safe API client hooks from OpenAPI specifications for React applications.

Code your openapi specifications using a fluent interface that integrates seamlessly with fluent-json-schema

Plugins for zodios

Fast input validation middleware using OpenAPI 2.0 (formerly Swagger) and 3.0 definitions file and ajv

A Typescript framework to help you get an API server up and running with I/O schema validation and custom middlewares in minutes.

This is a package that lets you deal with the Atlassian flavour of the OpenAPI 3.0 specification.

Use Chai to assert that HTTP responses satisfy an OpenAPI spec

Your documentation is only as useful as the quality of the information you've provided, so make sure you're taking full advantage of the features OpenAPI has to offer.

Typescript type generator for openapi-client-axios

Generator swagger-ts

Openapi for zodios

The Bump CLI is used to interact with your API documentation hosted on Bump.sh by using the API of developers.bump.sh

The base package can be used to import specification files (i.e. HAR, OAS and Postman Collection) and detect their type.

NestJS AsyncAPI module - generate documentation of your event-based services using decorators

Connect Express route controllers to restful paths using a Swagger 2 or OpenAPI 3 definition file

Generator swagger-zod

React hooks for zodios

Generator swagger

Zod integration with Fastify

Forked and patched version of oazapfts, an OpenApi TypeScript client generator

Swagger UI for CAP Services

OpenAPI preset for Docusaurus.

OpenAPI mock server server

Convert Sequelize models into various JSON Schema variants (using the Strategy Pattern)

Faker.js data generator plugin for Kubb, creating realistic mock data from OpenAPI specifications for development and testing.

OpenAPI schema generator and validator for Cloudflare Workers

API Telemetry and APM. Trace API calls and Monitor API performance, health and usage statistics in Node.js Microservices, based on express routes and Swagger (Open API) specification

ZenStack plugin and runtime supporting OpenAPI

A Typescript JSON Schema library that creates a schema and its type at the same time

Starlight plugin to generate documentation from OpenAPI/Swagger specifications.

Mock Service Worker (MSW) handlers generator plugin for Kubb, creating API mocks from OpenAPI specifications for frontend development and testing.

OpenAPI client for React, providing type-safe requests and dynamic TanStack Query React Hooks via a modular, Proxy-based architecture.

Validates embedded examples in OpenAPI-JSONs

Automatically validate API requests and responses with OpenAPI 3.

Easily generate API client's SDK — organize and simplify API Requests.

OpenAPI Code Generator using TypeScript AST.

Enrich OpenAPI 3.0 JSON with code snippets (``x-codeSamples``)

Utility to convert OpenAPI v3 specifications to Typescript using TypeScript native compiler

Fastify OpenAPI specification generator plugin

Generator swagger-client

CLI for generating typed TanStack Query React Hooks and services from OpenAPI Document, improving type safety in React apps

Utility to convert specifications (Open API, JSON Schemas) to TypeScript using TypeScript native compiler

Casting JS objects to correct types using JSON schemas

tRPC OpenAPI

There's no one right way to version, but there's a lot of objectively bad ways you want to avoid.

Generates DTO and Entity classes from Prisma Schema for NestJS

Utility to convert OpenAPI v3 specifications to Typescript HTTP client using TypeScript native compiler

An SDK for the moov-io/ach REST API, generated by `openapi-generator`

Generates react-query hooks for your API based on Swagger/OpenAPI definition

The missing CLI for beautiful, interactive API docs powered by with Stoplight Elements

Generate zero-overhead, 100% typed OpenAPI clients for Nuxt.

Shins Is Not Slate

extract paths or operations from OpenAPI/Swagger definitions

Convert OpenAPI format to Markdown

Yet another CLI tool for merging multiple OpenAPI files into a single file.

Open API Resolver - Javascript library to connect to parse and resolve openapi-enabled APIs via browser or nodejs

Generator swagger-tanstack-query

Convert protobuf to swagger open api v2, v3 JSON

Convert a HAR object to an OpenAPI object

GitLab Code Quality generator for IBM's OpenAPI Validator.

Transform OpenAPI specifications into TypeScript, React-Query, Zod, Faker.js, MSW and more with a plugin-based code generation tool.

Node wrapper for Specmatic

Generate the diff between two API specifications (OpenAPI, AsyncAPI, GraphApi, JsonSchema)

A spectral ruleset to enforce the AWS API Gateway Important Notes

OpenAPI/ Swagger / AsyncAPI / Semoasa definition to Slate / Shins compatible markdown

Middleware for generating OpenAPI/Swagger documentation for your Express app

Express Zod OpenAPI

Securely connect to any API with a server proxy and generated composables

Generate React Query hooks, SWR hooks, Axios requests and Typescript types from OpenAPI files

JSDoc Comments for the OpenApi Specification

Convert a given OpenAPI specification to Postman Collection v2.0

An OpenAPI plugin for Payload CMS

A command-line interface to work with OpenAPI files

OpenAPI v3 parser

An openapi json generator based on joi information about APIs that will help you to maintain your API documentation up to date.

Auto-Generate OpenAPI specifications from Typescript decorators

OpenAPI 3.0 CodeGen

NestJS ReDoc (Swagger UI Alternative)

Build swagger-compliant REST APIs using TypeScript and Node

Build swagger-compliant REST APIs using TypeScript and Node

tuya openapi nodejs sdk

SWR hooks generator plugin for Kubb, creating type-safe data fetching hooks from OpenAPI specifications for React and Next.js applications.

Add SwaggerUI to your AWS Apigateway RestApi

Validate an OpenAPI/Swagger API specification using the swagger.io online validator.

Light weight JSON Schema $ref resolver. Expands a JSON Schema by resolving `$ref` references from a mapping of definitions. Does not handle remote references. Has comprehensive unit tests and no dependencies.

Generate OpenAPI 3.0 spec from TypeScript code.

Generate json schema from yaml (swagger, openapi, asyncapi)

Auto generate openapi(swagger) scheme for molecular

Generate VitePress API Documentation from OpenAPI Specification.

kubevirt OpenAPI automation for TypeScript

A NestJS Frontend for your OpenAPI Specs powered by ReDoc

Generate an OpenAPI spec from your tRPC server, in one line of code

<img src="https://raw.githubusercontent.com/tuplescompany/crumbjs/refs/heads/main/logo/crumbjs.png" alt="CrumbJS Logo" width="200"/> - The tasty way to build fast apis.

An express middleware that makes it easy to write web services that follow an Open API specification.

An OpenAPI Generator Plus template for a TypeScript API client using Fetch

Docker API client automatically generated from the main Docker repository using swagger-codegen and the typescript-fetch language target

Swagger 2.0 and OpenAPI 3.0 parser and validator for Node and browsers

Generate TypeScript REST client code from an OpenAPI spec

A mock server based in Open API Specification

[](https://www.npmjs.com/package/vitest-openapi) [](https://github.com/yutak23/vitest-openapi/actions/workflows/

Agentic AI Library specialized in LLM Function Calling

A CLI tool to transform Swagger/OpenAPI/AsyncAPI docs to beautiful HTML pages via Shins/Widdershins

Design-driven apis with OpenAPI (formerly Swagger) 2.0 and hapi.

openapi-ts

Modern OpenAPI types

OpenAI LLM function schema from OpenAPI (Swagger) document

WunderGraph SDK

OpenAPI to JSON schema generator with TypeScript in mind

[](https://npmjs.org/package/@standard-community/standard-openapi "View this project on NPM") [![npm downloads](https://img.shields.io/npm/dm/@standard-community/standard

Koas serializer converts a response body to the negotiated response format.

Modular OpenAPI code generator written in TypeScript and Node.js

Javascript SDK for Sensible, the developer-first platform for extracting structured data from documents so that you can build document-automation features into your SaaS products

generate a fastify configuration from an openapi specification

OpenAPI dereference

Base for microservices around OpenAPI/Swagger

Generates an Angular ReactiveForm from a Swagger or OpenAPI definition

Get the dependencies of reference in openapi.

OpenAPI / AsyncAPI validator

Validate OpenApi specifications against their JSON schema

NestJS helper to easily use Zod with OpenAPI

Tool for generating typescript wrappers around generated code from [OpenAPI Generator](https://openapi-generator.tech/)

Simple typed OpenAPI client generator

Automatically generate OpenAPI 3.0 documentation from Next.js projects, with support for Zod schemas and TypeScript types.

OpenAPI example specification in YAML and JSON

Finds changes between two OpenAPI schemas

joi-to-swagger ==============

A Node.js module for cleaning OpenAPI documents by removing unused components, reducing file size and improving readability.

Generates express mock-servers from OpenAPI specs

Koas spec handler exposes the Open API document as a JSON API call.

Get an OpenAPI 3.0 spec out of a graphql Schema

Koas Swagger UI serves Swagger UI. This requires the `specURL` variable to have been set on the `ctx.openApi` object. Typically this is done by combining it with [`koas-spec-handler`][].

Koas operations maps operation IDs to Koa controller functions.

Create plain Markdown from OpenAPI documents (for LLMs)

Koas status code automatically sets the response status code based on the success status code specified in the Open API object.

A command line tool for the openapi enforcer libraries

This is just a sails hook for generating swagger documentation json

Koas parameters attempts to coerce path and query parameters to the type specified in their respective JSON schema.

> [Koa][] + [OpenAPI Specification][] = Koas

Koas body parser parses and validates request bodies based on the current operation.

Test-driven documentation for RESTful services

从 Apifox 导出 Swagger/OpenAPI 文档并生成 TypeScript 类型定义的工具

Generates OpenAPI doc based on JSDoc

Posthog openapi client

Koas security checks if a request matches the security requirement of an operation. For example, given the following partial OpenAPI document:

oval: CLI for validating OpenAPI specification (OAS) documents

Create Zuplo API with one command

Generator mcp

Convert OData metadata document to OpenAPI (fka Swagger) format

Vue Query hooks generator plugin for Kubb, creating type-safe API client hooks from OpenAPI specifications for Vue.js applications.

joi-to-swagger ==============

Generator swagger-faker

Generator swagger-msw

OpenAPI request, parameters, headers and response validator methods

More modern openAPI generating solution for alova.js

Adds openapi snippets using openapi-snippet module in redoc style

parse OpenAPI specs

Enables easy implementions of OpenAPI REST APIs in TypeScript with full typings of schemas and operations.

🕷️ Weaver CLI - Generador completo de arquitectura Clean Architecture con parser OpenAPI avanzado para entidades CRUD y flujos de negocio complejos

Starlight plugin to generate documentation from OpenAPI/Swagger specifications + RapiDoc..

An extension for Azure Functions V4 that provides support for exporting OpenAPI spec files from annotated Azure Functions.

Generate typescript with ajv validation based on openapi schemas

A library that simplifies Swagger integrations.

Jest/Vitest matcher for asserting valid OpenAPI definitions

Generate zod schemas from Swagger OpenAPI specs

express openapi middleware validator

Generates DTO and Entity classes from Prisma Schema for NestJS

Joi converter to openapi 3.0 standard

Generic OpenAPI → MCP tool server with n8n integration and CLI utilities

Convert typescript types to openapi spec compliant json

A Zod Schema for OpenAPI Schemas v3.X.X

API Telemetry and APM. Trace API calls and Monitor API performance, health and usage statistics in Node.js Microservices, based on express routes and Swagger (Open API) specification

Swagger-UI + Cloud TypeScript Editor

Agentic AI Library specialized in LLM Function Calling

A tool to create MCP compliant tools from an OpenAPI Spec

an editor which is tailored to write OpenAPI spec

OpenAPI/ Swagger / AsyncAPI / Semoasa definition to Slate / Shins compatible markdown

Shared code across different implementations of Atlassian API Clients.

Generates MCP server code from OpenAPI specifications

OpenAPI-first express controllers

Swagger2/OpenAPI3/Apifox to TypeScript/JavaScript, request client(support any client), request mock service, enum and enum translation, react-query/vue-query, type field label, JSON Schemas

TypeScript client for Holaspirit API generated using openapi-fetch

An OpenAPI 3.x/Swagger 2 code generator for Node.js

OpenApi TypeScript client generator

Generate Angular services and TypeScript types from OpenAPI/Swagger specifications

A tool to merge numerous OpenAPI files into a single openapi definition.