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An open API service indexing awesome lists of open source software.

OpenAPI Specification

The OpenAPI Specification (OAS), previously known as the Swagger Specification, is a specification for a programming language-agnostic, machine-readable interface definition language for describing, producing, consuming, and visualizing web services. OpenAPI documents describe API services and are represented in YAML or JSON formats.

https://github.com/gabrielcenteiofreitas/express-zod-openapi-typed

Type-safe Express routes with Zod validation and automatic OpenAPI specification generation. Full TypeScript support with inferred types from Zod schemas.

express javascript nodejs openapi types typesafe typescript zod

Last synced: 20 Jan 2026

https://github.com/soenneker/soenneker.openrouter.openapiclient

A .NET client generated from the OpenRouter OpenAPI schema, updated daily

api client csharp dotnet kiota openapi openapiclient openrouter openrouteropenapiclient

Last synced: 09 May 2026

https://github.com/dpritchett/helloextend-ruby-client

💎 Ruby HTTP API client gem for the extend.com warranty service API

api-client ecommerce extend http openapi ruby swagger warranties

Last synced: 18 Apr 2026

https://github.com/l-ogorzalek/bookstore-java

Final Spring project for university course.

feign h2-database java lombok mapstruct maven openapi spring swagger

Last synced: 05 Apr 2026

https://github.com/trickfilm400/shvenergy-api

NodeJS Package for accessing the SHVEnergy API

api axios node nodejs npm openapi primagas shvenergy shvenergy-api typescript

Last synced: 23 Jan 2026

https://github.com/nsubrahm/openshift-demo-apis

API documentation for OpenShift demos

nodejs openapi swagger

Last synced: 18 Apr 2026

https://github.com/mimikos-io/mimikos

A deterministic, OpenAPI-driven mock server that generates realistic API responses with zero manual config.

api-mocking api-testing deterministic developer-tools golang mock-server openapi openapi3 schema-driven test-doubles zero-config

Last synced: 19 Apr 2026

https://github.com/soenneker/soenneker.runners.cloudflare.openapiclient

Automatically updates the Soenneker.Cloudflare.OpenApiClient package

cloudflare cloudflareopenapiclient csharp dotnet openapi openapiclient runner runners

Last synced: 19 Apr 2026

https://github.com/orsinium-labs/openapi

Go package with type definitions for generating OpenAPI documentation.

go golang openapi swagger

Last synced: 14 May 2026

https://github.com/opensourceways/cora

Command collection for all kinds of Services in Open Source Community

command-line-tool openapi

Last synced: 11 May 2026

https://gitlab.com/vuphuong87/symfony-openapi-schema-validator

The OpenAPI schema validator wrapper for Symfony HTTP Request / Response object

openapi symfony validator

Last synced: 24 Oct 2025

https://github.com/tyn-tian/belajar-open-api

Documentation I am learning OpenAPI from @ProgrammerZamanNow.

openapi restful-api

Last synced: 04 Jun 2026

https://github.com/soenneker/soenneker.plex.openapiclient

A .NET client generated from the Plex OpenAPI schema, updated daily

api client csharp dotnet kiota openapi openapiclient plex plexopenapiclient

Last synced: 04 Jun 2026

https://github.com/lc-semba-ryuichiro/sample-gradle-oas-generator-server

OpenAPI Generator (Gradle Plugin) を使ったサーバーサイドの自動生成を検証するリポジトリ

gradle java openapi openapi-generator spring-boot

Last synced: 20 Apr 2026

https://github.com/syucream/lightdash-client-typescript-fetch

A Lightdash API client library for TypeScript, Fetch API

lightdash openapi

Last synced: 18 May 2026

https://github.com/marcominerva/aspnetcore9openapi

A sample that showcases how to use OpenAPI support provided by .NET 9.0

csharp net-9 openapi openapi-generator

Last synced: 20 Apr 2026

https://github.com/jrjsmrtn/pve-openapi

OpenAPI 3.1 specs for the Proxmox VE API (PVE 7.0-9.1) — extracted from official pve-docs packages

api elixir openapi proxmox proxmox-ve

Last synced: 20 Apr 2026

https://github.com/soenneker/soenneker.vercel.openapiclientutil

A thread-safe utility for obtaining Vercel's OpenApiClient singleton.

client csharp dotnet kiota openapi openapiclientutil singleton util vercel vercelopenapiclientutil

Last synced: 06 Jun 2026

https://github.com/gopad/gopad-python

Gopad: SDK for Python

etherpad gopad openapi python sdk

Last synced: 11 May 2026

https://github.com/soenneker/soenneker.algolia.openapiclientutil

A thread-safe utility for obtaining Algolia's OpenApiClient singleton.

algolia algoliaopenapiclientutil api client csharp dotnet kiota openapi openapiclientutil singleton util

Last synced: 11 May 2026

https://github.com/soenneker/soenneker.unified.openapiclientutil

A thread-safe utility for obtaining Unified's OpenApiClient singleton.

api client csharp dotnet kiota openapi openapiclientutil singleton unified unifiedopenapiclientutil util

Last synced: 04 Jul 2026

https://github.com/woosmap/openapi-specification

OpenAPI specification for Woosmap Platform

openapi

Last synced: 21 Apr 2026

https://github.com/soenneker/soenneker.openapi.merger

A utility library to merge OpenApi specs

csharp dotnet fixing merge merger openapi openapimerger util

Last synced: 13 May 2026

https://github.com/legalize-dev/legalize-sdks

Official client libraries for the Legalize API — legal texts as structured, versioned data.

api-client laws legal-tech legalize openapi python-sdk sdk

Last synced: 24 Apr 2026

https://github.com/pourjanali/dasht-api-docs

Interactive documentation for Dasht API version 104, built with Swagger UI. This repository hosts the static files necessary to publish comprehensive API documentation through GitHub Pages, providing developers with an intuitive interface to explore endpoints, test requests, and understand request/response schemas.

accounting accounting-api accounting-software api dasht documentation erp-api github-pages openapi rest-api sepidar sepidar-system static-docs swagger-ui web-service

Last synced: 21 Apr 2026

https://github.com/soenneker/soenneker.mailgun.httpclients

A thread-safe singleton HttpClient for Mailgun's OpenAPI integration.

api csharp dotnet httpclient httpclients mailgun mailgunopenapihttpclient openapi openapiclient singleton

Last synced: 04 Jul 2026

https://github.com/soenneker/soenneker.adyen.openapiclientutil

A thread-safe utility for obtaining Adyen's OpenApiClient singleton.

adyen adyenopenapiclientutil client csharp dotnet kiota openapi openapiclientutil singleton util

Last synced: 11 May 2026

https://github.com/soenneker/soenneker.grafana.httpclients

A thread-safe singleton HttpClient for Grafana's OpenAPI integration.

api csharp dotnet grafana grafanaopenapihttpclient httpclient httpclients openapi singleton

Last synced: 13 May 2026

https://github.com/soenneker/soenneker.bitly.openapiclientutil

A thread-safe utility for obtaining Bitly's OpenApiClient singleton.

bitly bitlyopenapiclientutil client csharp dotnet kiota openapi openapiclientutil sdk singleton util

Last synced: 06 Jun 2026

https://github.com/soenneker/soenneker.zoho.openapiclientutil

A thread-safe utility for obtaining Zoho's OpenApiClient singleton.

api client crm csharp dotnet kiota openapi openapiclientutil singleton util zoho zohoopenapiclientutil

Last synced: 07 Jun 2026

https://github.com/soenneker/soenneker.discord.openapiclient

A .NET client generated from the Discord OpenAPI schema, updated daily

client community csharp discord discordopenapiclient dotnet kiota openapi openapiclient sdk

Last synced: 22 Apr 2026

https://github.com/soenneker/soenneker.adyen.httpclients

A thread-safe singleton HttpClient for Adyen's OpenAPI integration.

adyen adyenopenapihttpclient client csharp dotnet httpclient httpclients openapi singleton

Last synced: 03 May 2026

https://github.com/soenneker/soenneker.workos.openapiclientutil

A thread-safe utility for obtaining WorkOs's OpenApiClient singleton.

api client csharp dotnet kiota openapi openapiclientutil singleton util workos workosopenapiclientutil

Last synced: 02 May 2026

https://github.com/soenneker/soenneker.plaid.openapiclient

A .NET client generated from the Plaid OpenAPI schema, updated daily

api client csharp dotnet kiota openapi openapiclient plaid plaidopenapiclient

Last synced: 28 Apr 2026

https://github.com/soenneker/soenneker.paypal.httpclients

A thread-safe singleton HttpClient for PayPal's OpenAPI integration.

api csharp dotnet httpclient httpclients openapi openapiclient paypal paypalopenapihttpclient singleton

Last synced: 10 Jun 2026

https://github.com/soenneker/soenneker.sendgrid.httpclients

A thread-safe singleton HttpClient for SendGrid's OpenAPI integration.

api csharp dotnet httpclient httpclients openapi openapiclient sendgrid sendgridopenapihttpclient singleton

Last synced: 04 Jul 2026

https://github.com/soenneker/soenneker.vercel.openapiclient

A Vercel .NET client generated from their OpenAPI schema, updated daily

client csharp dotnet kiota openapi openapiclient vercel vercelopenapiclient

Last synced: 23 Apr 2026

https://github.com/mesteriis/fullstack-template

Opinionated FastAPI + Vue fullstack template with contract parity checks, ADR-driven governance, and observability baseline.

adr architecture fastapi fullstack observability openapi python template typescript vue

Last synced: 14 Apr 2026

https://github.com/shearichard/flask-for-redux-testing

Flask based RESTFUL API to use for testing Redux Toolkit against.

flask flask-restful openapi python swagger

Last synced: 23 Apr 2026

https://github.com/mohammadbekran/food-management-app

A food delivery and management system built with NestJS, TypeScript, and PostgreSQL.

aws-s3 jwt-authentication nestjs openapi postgresql swagger typeorm typescript

Last synced: 24 Apr 2026

https://github.com/soenneker/soenneker.sixtyfour.openapiclientutil

A thread-safe utility for obtaining Sixtyfour's OpenApiClient singleton.

client csharp dotnet kiota openapi openapiclientutil singleton sixtyfour sixtyfouropenapiclientutil util

Last synced: 06 Jun 2026

https://github.com/definancy/definancy-spec

Definancy contract — OpenAPI wire spec + cross-language conformance suite

conformance openapi spec

Last synced: 06 Jun 2026

https://github.com/sukramj/openccu-loom-types

Generated Pydantic v2 models and enum types for the openccu-loom REST + WebSocket contract

code-generation home-assistant homematic homematicip openapi pydantic python rest-api type-hints websocket

Last synced: 28 Jun 2026

https://github.com/soenneker/soenneker.algolia.httpclients

A thread-safe singleton HttpClient for Algolia's OpenAPI integration.

algolia algoliaopenapihttpclient api csharp dotnet httpclient httpclients openapi singleton

Last synced: 06 Jun 2026

https://github.com/tdspora/tdm_rulesgen

FastAPI service for safe rule parsing, compilation, preview execution, and sandbox-backed dataset generation.

fastapi openapi pydantic python rules-engine synthetic-data

Last synced: 24 Apr 2026

https://github.com/merkys/openapi-render

Rendering tools for OpenAPI v3

openapi perl5

Last synced: 24 Apr 2026

https://github.com/mauricio-dolinski/ferramentas-api

API com ferramentas para validação e geração de documentos comuns no Brasil. - Tecnologias: Quarkus, Swagger, OpenAPI, Java

java openapi quarkus swagger

Last synced: 20 Jan 2026

https://github.com/soenneker/soenneker.box.httpclients

A thread-safe singleton HttpClient for Box's OpenAPI integration.

api box boxopenapihttpclient csharp dotnet httpclient httpclients openapi singleton

Last synced: 06 Jun 2026

https://github.com/ghchinoy/openapi-from-grpc

gRPC service with autogenerated OpenAPI spec via gRPC Gateway for REST/HTTP

grpc-gateway openapi

Last synced: 25 Apr 2026

https://github.com/soenneker/soenneker.temporal.openapiclient

A .NET client generated from the Temporal OpenAPI schema, updated daily

api client csharp dotnet kiota openapi openapiclient temporal temporalopenapiclient

Last synced: 25 Apr 2026

https://github.com/two-weeks-team/previewforgeforclaudecode

3-DD Methodology: PreviewDD → SpecDD → TestDD. 143 Opus 4.7 agents turn one-line idea → frozen full-stack app. Claude Code plugin. Built with Opus 4.7 hackathon.

3-dd anthropic claude-code claude-code-plugin hackathon multi-agent nestia nextjs openapi opus-4-7 preview-driven-development spec-driven-development test-driven-development typescript

Last synced: 26 Apr 2026

https://github.com/libninjacom/mangadex-rs

mangadex client, generated from the OpenAPI spec

mangadex openapi rust

Last synced: 13 May 2026

https://github.com/sillyash/swagger-ui-clickable-links-plugin

A Swagger UI plugin that automatically makes URLs in descriptions and examples clickable.

openapi openapi3 plugin rest-api swagger-ui

Last synced: 07 Oct 2025

https://github.com/mermade/openapi2js

Create simple JS SDK from OpenAPI (Swagger) 2.0/3.0.x json/yaml document

openapi openapi3 sdk swagger

Last synced: 15 May 2026

https://github.com/huksley/swagger-explorer

Run Swagger UI locally against a folder of OpenAPI or Swagger specifications

openapi swagger swaggerui

Last synced: 26 Apr 2026

https://github.com/alexandrelamberty/bookstore-api-spec

:books: Online Bookstore API Specification. Full Stack Web Developer training @ https://technofuturtic.be.

api book bookstore openapi specification store

Last synced: 20 Oct 2025

https://github.com/soenneker/soenneker.firecrawl.httpclients

A thread-safe singleton HttpClient for Firecrawl's OpenAPI integration.

api csharp dotnet firecrawl firecrawlopenapihttpclient httpclient httpclients openapi singleton

Last synced: 07 Jun 2026

https://github.com/asafr-dev/supportdesk-api

SupportDesk tickets API (FastAPI): API-key auth, SQLAlchemy/Postgres, OpenAPI docs, tests, CI.

docker fastapi mypy openapi postgresql pytest python rest-api ruff sqlalchemy

Last synced: 27 Apr 2026

https://github.com/libninjacom/petstore-go

Petstore client, generated from the OpenAPI spec

golang openapi petstore

Last synced: 14 May 2026

https://github.com/hello-sycon/sycon-api

Production API documentation for Sycon Cloud (OpenAPI + usage guide)

api-docs industrial-iot openapi redoc swagger-ui sycon

Last synced: 07 Oct 2025

https://github.com/bonukai/typescript-routes-to-openapi

Extract REST API routes from TypeScript files and generate OpenAPI documentation and input validators

openapi swagger

Last synced: 27 Apr 2026

https://github.com/foxfriends/openfetch

Fetch-like OpenAPI client library

fetch-api openapi openapi3 swagger

Last synced: 27 Apr 2026

https://github.com/echelon-solutions/swagger-codegen-router-template

A template for swagger-codegen that generates a Node.js project that validates and routes requests to a url.

api nodejs oas openapi swagger swagger-codegen swagger-specification

Last synced: 28 Apr 2026

https://github.com/himenon/openapi-parameter-formatter

OpenAPI Query and Path Parameter Formatter.

openapi openapi-specification openapi3 swagger

Last synced: 20 Oct 2025

https://github.com/ucl/isenseflu-openapi

OpenAPI Definitions for i-sense flu API

openapi openapi3 yaml

Last synced: 28 Apr 2026

https://github.com/jimsten/ticketflow

High-concurrency booking/ticketing system (MVP first)

clean-architecture ddd hexagonal-architecture java openapi redis spring-boot

Last synced: 28 Apr 2026

https://github.com/nakasar/serverless-api-doc-generator

Generate Documentation API from serverless.yml and JS docstrings.

api documentation-generator openapi serverless

Last synced: 28 Apr 2026

https://github.com/evilfreelancer/openchill

Prototype of Swagger / OpenAPI PHP client generator

client-generator openapi php swagger

Last synced: 28 Apr 2026

https://github.com/foncki/time-complexity-calculator

This Chrome extension allows you to easily calculate the time complexity of a function. This tool is useful for software developers looking to optimize their code and improve its performance. With this extension, you can quickly and easily determine the efficiency of your functions and make informed decisions about how to optimize them.

chrome-extension html openapi vanilla-javascript

Last synced: 14 May 2026

https://github.com/offlabel-scaffolds/scaffold-fastapi-backend

FastAPI Python backend with SQLAlchemy, Alembic, and OpenAPI

api fastapi openapi postgres priority-critical python scaffold sqlalchemy

Last synced: 04 May 2026

https://github.com/gibtang/agent-utils

One API key. Agent-native utilities for AI agents. File hosting, PII redaction, dead letter queues, and more.

agent-tools ai-agents api dead-letter-queue file-hosting human-in-the-loop llm mcp nextjs openapi pii-redaction typescript

Last synced: 12 Jun 2026

https://github.com/harmindersinghnijjar/question-translator-python

A Python program to translate GPT-3 answers from English to Punjabi using OpenAI and Google Translate.

googletrans gpt-3 openapi python tkinter

Last synced: 29 Apr 2026

https://github.com/fluvpay/openapi

Especificação OpenAPI pública (v1) do gateway de pagamentos PIX da FluvPay. Cobranças, saques, transferências e webhooks.

brazil fintech fluvpay openapi payment-gateway payments pix rest-api sdk webhooks

Last synced: 08 Jun 2026

https://github.com/valerii15298/openapi-spec

OpenAPI Specification Rendered with Astro Starlight

openapi openapi-spec openapi-specification

Last synced: 29 Apr 2026

https://github.com/headwindz/public-holidays

public holidays open apis

openapi public-holidays

Last synced: 29 Apr 2026

https://github.com/elipzis/aping

📲 A simple API Ping tool to feed a Swagger/OpenAPI 3.0 document file, call all paths and record time and responses

api benchmark golang openapi openapi3 ping swagger

Last synced: 29 Apr 2026

https://github.com/fs-frost/openapi2go

CLI tool to generate Go code from OpenAPI specifications.

codegen openapi

Last synced: 29 Apr 2026

https://github.com/k8scat/fxiaoke

纷享销客开放平台 Go SDK

fxiaoke go openapi sdk

Last synced: 29 Apr 2026

https://github.com/swayam-mishra/blobfish-mcp

Any OpenAPI spec. Zero config. Claude-ready. MCP server that turns any REST API into Claude-callable tools instantly.

ai anthropic claude llm mcp openapi postman swagger

Last synced: 13 Jun 2026

https://github.com/valpere/trytrago

API server for a multilanguage dictionary written in Golang.

api-server caching cobra docker docker-compose gin golang gorm jwt openapi protobuf redis rest-api swagger testify uber-zap viper

Last synced: 14 Apr 2026

https://github.com/leanhanc/hono-betterauth-openapi-starter

A Hono 🔥 starter project using Drizzle ORM and Stoker helpers, featuring Better Auth integration and API documentation powered by OpenAPI.

better-auth drizzle-orm hono openapi pino scalar

Last synced: 29 Apr 2026

OpenAPI Specification Awesome Lists
best-of-web-python 848 awesome-integration 686 awesome-jsonschema 94 awesome-corporate-standards 76
OpenAPI Specification Categories
Papers 726 Projects 396 Integration Patterns 200 Resources 181 Django Utilities 161 Adoption 160 Others 116 Third-party Web APIs 93 Web Testing 85 Authorization & Authentication 83 Web Frameworks 75 Flask Utilities 68 Web Scraping & Crawling 48 OpenAPI Utilities 44 HTTP Clients 41 Videos 33 Articles 29 Markdown 28 HTML Processing 25 Monitoring 25