JSPM

OpenAPI Server URL templating parser, validator and substitution mechanism.

🚀 The OpenAPI to TypeScript codegen. Generate clients, SDKs, validators, and more.

Modern OpenAPI types

OpenAPI Path Templating parser, validator, resolver and matcher.

Swagger 2.0 and OpenAPI 3.x parser and validator for Node and browsers

Core functionality to support SDKs generated with IBM's OpenAPI SDK Generator.

Comprehensive tooling for working with OpenAPI definitions

Serve Swagger-ui for Fastify

Automatically validate API requests and responses with OpenAPI 3 and Express.

Library that generates Typescript clients based on the OpenAPI specification.

Build swagger-compliant REST APIs using TypeScript and Node

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

Tooling for converting, validating, and parsing OpenAPI, Swagger, and Postman API definitions

Zod to OpenAPI converter

JSON Schemas for every version of the OpenAPI Specification

Build swagger-compliant REST APIs using TypeScript and Node

OpenAPI definitions and converters for 'typia' and 'nestia'.

Convert Zod Schemas to OpenAPI v3.x documentation

A validator for OpenAPI documents.

Typescript API client with autocompletion and zod validations

A typed fetch client for openapi-typescript

Build swagger-compliant REST APIs using TypeScript and Node

OpenApi TypeScript client generator

A cli tool for the openapi-merge library.

Swagger 2.0 and OpenAPI 3.0 command-line tool

Validate a response according to an openapi schema.

OpenAPI schema generator for Hono

An AsyncAPI schema parser for OpenAPI 3.0.x and Swagger 2.x schemas.

joi to JSON / OpenAPI Schema Converter

ReadMe's official CLI and GitHub Action.

Convert a given OpenAPI specification to Postman Collection v2.0

Resolve external $refs in OpenAPI (swagger) 2.0 / 3.x definitions

modern OpenAPI parser written in TypeScript

Converts openapi parameters to a jsonschema format.

Zod helper methods for NestJS

Convert class-validator-decorated classes into JSON schema

Dereference $ref pointers in JSONSchema or OpenAPI documents.

Argos API Client library.

Format an OpenAPI document by ordering, formatting and filtering fields.

[](https://openapi-zod-client.vercel.app/)

Magical SDK generation from an OpenAPI definition 🪄

This module performs automatic construction of Swagger documentation. It can identify the endpoints and automatically capture methods such as get, post, put, and so on. It also identifies paths, routes, middlewares, response status codes, parameters in th

AutoRest Core Module

An OpenAPI 3 codegen for Angular 12+

Openapi tools common libraries

A validator of OpenAPI configurations

Validate request properties against an OpenAPI spec.

JavaScript client library for consuming OpenAPI-enabled APIs with axios. Types included.

Coerce request properties according to an openapi parameter list.

Azure OpenAPI MarkDown

Azure OpenAPI Validator

Azure OpenAPI Validator

Bundle all external $ref in Json based API document into single document

Fast, type-safe @tanstack/react-query client to work with your OpenAPI schema.

OpenAPI React Query Codegen

Runtime for OpenApi TypeScript client generator

a fastify plugin to render an API reference from an OpenAPI file

Core functionality for Kubb's plugin-based code generation system, providing the foundation for transforming OpenAPI specifications.

Turn OpenAPI specs into n8n node

Azure OpenAPI Validator

Simplify JsonSchema/Openapi by combining allOf safely

An OpenAPI framework for any web framework

JSON Schemas for every version of the OpenAPI Specification

tRPC OpenAPI

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

Converts Postman collections to OpenAPI documents

Common code for jest-openapi and Chai OpenAPI Response Validator

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

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

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

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

Generate beautiful API references from OpenAPI documents

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

Store interface for openapi documents

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

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

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

Simple utility to mock example objects based on JSON schema definitions

A fluent client for OpenAPI and Swagger

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

An unopinionated OpenAPI framework for express

Validate OpenApi specifications against their JSON schema

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

modern OpenAPI parser written in TypeScript

A library to process OpenAPI security definitions in parallel.

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

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

OpenAPI Codegen cli

A typed fetch client for openapi-typescript

OpenAPI code generation tool with validation powered by io-ts

Jest matchers for asserting that HTTP responses satisfy an OpenAPI spec

A library that simplifies Swagger integrations.

openapi-io-ts core package

OpenAPI Codegen typescript generators

Convert between schema specifications

An OpenAPI v3.0 development workflow assistant

Convert OpenAPI 3.0 or Swagger 2.0 definitions into aspida

Middleware for generating OpenAPI/Swagger documentation for your Express app

Resolve OpenAPI Refs and/or convert Swagger 2.0 to OpenAPI

generate a fastify configuration from an openapi specification

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

tRPC OpenAPI

OpenAPI plugin for Docusaurus.

Generate random mock data from OpenAPI descriptions for msw.

OpenAPI theme for Docusaurus.

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

Validate openapi documents.

Minimalistic OpenAPI 3 ⬌ JSON Schema (draft 7) conversion

Runtime OpenAPI v3 spec generation for routing-controllers

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

Redoc for DocusaurusV2

OpenAPI's JsonSchema validator, Powered by Ajv

Generate JavaScript or TypeScript code from Swagger/OpenAPI specifications

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

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

Express middleware to validate request based on an OpenAPI 3 document

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

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

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

Plugins for zodios

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

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

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

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

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

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

React hooks for zodios

Generator swagger-zod

Generator swagger

Zod integration with Fastify

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

Swagger UI for CAP Services

OpenAPI mock server server

OpenAPI preset for Docusaurus.

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

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

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.

Automatically validate API requests and responses with OpenAPI 3.

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

Fastify OpenAPI specification generator plugin

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

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

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

OpenAPI Code Generator using TypeScript AST.

Generator swagger-client

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

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

tRPC OpenAPI

Casting JS objects to correct types using JSON schemas

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`

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

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

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

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

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

Convert protobuf to swagger open api v2, v3 JSON

Convert a HAR object to an OpenAPI object

Generator swagger-tanstack-query

GitLab Code Quality generator for IBM's OpenAPI Validator.

Node wrapper for Specmatic

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

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

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

Express Zod OpenAPI

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

JSDoc Comments for the OpenApi Specification

An OpenAPI plugin for Payload CMS

A command-line interface to work with OpenAPI files

Convert a given OpenAPI specification to Postman Collection v2.0

Auto-Generate OpenAPI specifications from Typescript decorators

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.

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

OpenAPI 3.0 CodeGen

NestJS ReDoc (Swagger UI Alternative)

tuya openapi nodejs sdk

Build swagger-compliant REST APIs using TypeScript and Node

Build swagger-compliant REST APIs using TypeScript and Node

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)

A NestJS Frontend for your OpenAPI Specs powered by ReDoc

Generate VitePress API Documentation from OpenAPI Specification.

Auto generate openapi(swagger) scheme for molecular

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

kubevirt OpenAPI automation for TypeScript

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

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

<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 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

Generate TypeScript REST client code from an OpenAPI spec

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

Agentic AI Library specialized in LLM Function Calling

A mock server based in Open API Specification

OpenAI LLM function schema from OpenAPI (Swagger) document

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.

Modern OpenAPI types

openapi-ts

Modular OpenAPI code generator written in TypeScript and Node.js

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

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

WunderGraph SDK

OpenAPI to JSON schema generator with TypeScript in mind

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

Generates an Angular ReactiveForm from a Swagger or OpenAPI definition

Base for microservices around OpenAPI/Swagger

Get the dependencies of reference in openapi.

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

OpenAPI / AsyncAPI validator

Validate OpenApi specifications against their JSON schema

Simple typed OpenAPI client generator

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

NestJS helper to easily use Zod with OpenAPI

OpenAPI example specification in YAML and JSON

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.