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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/soenneker/soenneker.n8n.httpclients

A thread-safe singleton HttpClient for N8n's OpenAPI integration.

csharp dotnet httpclient httpclients n8n n8nopenapihttpclient openapi singleton

Last synced: 04 Jul 2026

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

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

client composio composioopenapiclientutil csharp dotnet kiota openapi openapiclientutil singleton util

Last synced: 06 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/alexandramartinez/todo-app-mule-curietechai

Everything discussed in the 'From Zero to API with MuleSoft, CurieTech AI & Anypoint Code Builder' playlist.

ai api api-spec api-specification curietechai mule mule-app mule4 mulesoft mysql mysql-database oas oas3 openapi openapi-spec openapi-specification openapi3

Last synced: 29 Apr 2026

https://github.com/monkeyscloud/monkeyslegion-openapi

Automatic OpenAPI 3.1 specification generator and documentation middleware for the MonkeysLegion framework.

open-api openapi php php-framework

Last synced: 17 Jun 2026

https://github.com/kanryu/validagen

A validator generator for structs/maps for your go applications.

generator go openapi ozzo-validation validator

Last synced: 29 Apr 2026

https://github.com/jfoclpf/get-openapi-examples

Extract all possible paths present in openapi.yaml based on paths and the provided examples

openapi openapi-spec openapi-specification openapi3

Last synced: 21 Feb 2026

https://github.com/annacrisstina/trendyshop-showcase

Showcase: ASP.NET Core REST API (products & orders) + Flask UI demo. OpenAPI spec included.

aspnet-core ef-core flask openapi rest-api sql-server swagger

Last synced: 11 Apr 2026

https://github.com/mreiche/marketstack-openapi

Generated OpenAPI for Marketstack

marketstack openapi

Last synced: 30 Apr 2026

https://github.com/alessandro1918/swagger-api

Um exemplo de documentação de rotas de API com Swagger. Especificação de endpoints, parâmetros, retorno, tudo facilmente documentável e consultável em uma página web disponível em uma rota da própria API.

openapi swagger

Last synced: 30 Apr 2026

https://github.com/kwaytv/hono-steamer-api

⚡ High-performance Steam profile resolver API with MySQL-powered smart caching system | Built with Hono & TypeScript 🚀

hono openapi steam-api typescript

Last synced: 30 Apr 2026

https://github.com/chompfoods/sdk-java

Java SDK for the Chomp Food & Recipe Database API. Use our API to get high-quality data on recipes and 875,000+ branded/grocery foods plus raw ingredients.

api branded chomp data database food gradle grocery ingredients jar java java-sdk nutrition openapi raw recipe-api recipes sdk

Last synced: 09 Apr 2026

https://github.com/batleforc/vue-template

Vue frontend template with lot's of feature (linked to https://github.com/batleforc/rust-template)

openapi orval swagger tailwindcss typescript vite vuejs

Last synced: 11 Apr 2026

https://github.com/yinchi/openapi-cli

CLI for working with APIs using the OpenAPI specifications

openapi openapi-cli python-click

Last synced: 01 May 2026

https://github.com/straylittlepunk/deepl

Openapi auto generated deepl api client

deepl openapi rust

Last synced: 01 May 2026

https://github.com/lifeiscontent/openapi-sdk

Generate Typesafe SDK from OpenAPI spec

openapi sdk typescript

Last synced: 01 May 2026

https://github.com/belgif/openapi-employment-identifier

OpenAPI data types for employment identifiers

openapi rest standard

Last synced: 28 May 2026

https://github.com/merkys/openapi-3to2

Convert OpenAPI v3 descriptions to v2

openapi perl5

Last synced: 02 May 2026

https://github.com/block65/openapi-codegen

Opinionated OpenAPI Typescript code generator

codegen openapi typescript

Last synced: 02 May 2026

https://github.com/kleister/kleister-go

Kleister: SDK for Golang

go golang kleister minecraft openapi sdk swagger

Last synced: 02 May 2026

https://github.com/colorfulcompany/node-indeed-job-campaign-api-client

Indeed Job Campaign API Client with automatically OAuth Token refreshing

foundation indeed nodejs oauth openapi

Last synced: 02 May 2026

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

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

csharp dotnet generated httpclient httpclients notion notionopenapihttpclient openapi singleton

Last synced: 05 Jun 2026

https://github.com/fadhlaouir/travelagencybackend

This project is a backend API for a travel agency, providing authentication features such as user registration, login, and logout. It also supports booking flights and hotels, similar to popular travel booking platforms like Booking.com.

asp-net-core dotnet-core dotnet-tools entity-framework-core fluentvalidation identity-framework openapi

Last synced: 03 May 2026

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

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

api csharp dotnet httpclient httpclients openapi singleton unified unifiedopenapihttpclient

Last synced: 13 May 2026

https://github.com/scottgriv/swagger-openapi-user_management_demo

This demo project showcases the implementation of a User Management API documented with Swagger UI and defined using the OpenAPI Specification (OAS)

api oas open-api openapi swagger

Last synced: 04 Jan 2026

https://github.com/nebil175/lcu_dumper

🔍 Discover and extract League Client Update data easily with LCU Dumper, a fast, cross-platform CLI that outputs selected API endpoints to JSON files.

cli data-dump http json league-of-legends openapi python reverse-engineering swagger tooling

Last synced: 03 May 2026

https://github.com/hyesungoh/cultural_heritage_administration_api

문화재청 open api 사용 with Python

openapi python3 textreader

Last synced: 04 May 2026

https://github.com/drewlakee/json-object-openapi-schema

A Kotlin library for converting Json-object into OpenAPI Schema

json kotlin object openapi schema swagger yaml

Last synced: 04 May 2026

https://github.com/rubenoalvarado/nestjs-drizzle-template

Project template to work with Drizzle in a NestJs project. It uses config module, throttler for rate limit and a custom drizzle module.

api-rest drizzle-kit drizzle-orm nestjs nestjs-backend nestjs-boilerplate nestjs-starter-template openapi postgresql restful-api swagger-ui

Last synced: 04 May 2026

https://github.com/codewiththomas/fom-project-server

As a project in college we are setting up a node.js webapi using express.js as framework and SQLite as database.

api express node openapi sqlite3 swagger webapi

Last synced: 04 May 2026

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

Postman client, generated from the OpenAPI spec

golang openapi postman

Last synced: 04 May 2026

https://github.com/techbeansaus/smartinsure-crm

A Simple CRM solution for an insurance broker to keep track of customers, policies and tasks. Built using MERN stack. Utilising monorepo for packaging frontend and backend.

express mongodb nodejs openapi react swagger tailwindcss turborepo

Last synced: 11 Apr 2026

https://github.com/dougborg/frontapp-openapi-client

Pythonic Frontapp API client ecosystem with transport-layer retries, rate-limit awareness, and auto-pagination. Python + TypeScript clients + MCP server.

api front frontapp mcp-server openapi python typescript

Last synced: 26 May 2026

https://github.com/phaethix/api-doc-generator

AI-powered API documentation generator — describe your API in plain English, get OpenAPI specs + beautiful docs. Built with Deno + React.

ai api-documentation deno llm openapi react swagger typescript

Last synced: 29 Jun 2026

https://github.com/drewalth/openapi-generator

Generate an OpenAPI Spec file from ORM model definitions

eloquent generator openapi orm sequelize spring-boot

Last synced: 05 May 2026

https://github.com/rickyli79/egg-openapi-router

init `router` and connect `controller` by Openapi-doc. validate the request and response by Openapi-doc

egg egg-plugin eggplugin openapi route schema valid

Last synced: 05 May 2026

https://github.com/mrnicolass/v2com-library-training-backend

It's a simple API project of a library concept made to learn some of Quarkus, PostgreSQL and Docker.

docker flyway-migrations java openapi postgresql quarkus

Last synced: 09 Apr 2026

https://github.com/wavix/wavix-openapi

OpenAPI specification for the Wavix API

openapi wavix

Last synced: 29 Jun 2026

https://github.com/abdullah2993/textsynth-openapi-v3-spec

OpenAPI V3 Specification for https://textsynth.com

ai openapi openapi-specification openapi3 textsynth

Last synced: 04 Jan 2026

https://github.com/scrntprcrz/openapi-sankeylizer

Visualize your OpenAPI specs as Sankey diagrams. Upload, explore request/response flows, and export as PNG.

api-visualization google-charts openapi react sankey-diagram swagger web-worker

Last synced: 05 May 2026

https://github.com/marc0franc0/exchangeratesapi

API REST que brinda información actualizada sobre las tasas de cambio de USD y otras monedas en Argentina. También sobre el valor de acciones en USD.

java openapi spring-boot swagger-ui

Last synced: 05 May 2026

https://github.com/hsojo/shopline-sdk-python

Shopline OpenAPI on python implement. (From https://open-api.docs.shoplineapp.com)

openapi python sdk shopline shoplineapp

Last synced: 20 Jan 2026

https://github.com/serafin-labs/open-api

Open Api 3 typescript types definition

json-schema openapi typescript typing

Last synced: 05 May 2026

https://github.com/teamkweku/alx_travel_app_0x01

Django REST API for property rentals with booking management, reviews, and real-time notifications. Features MySQL, Celery, and Docker integration.

asynchronous celery django openapi postgresql redis swagger

Last synced: 09 Apr 2026

https://github.com/romanow/openapi-generation

Public report about OpenAPI generator template customization

openapi openapi-codegen openapi-generator spring-boot

Last synced: 06 May 2026

https://github.com/owlebot/open-api

Public API to interact with the owle.bot app

api javascript nodejs open-source openapi typescript

Last synced: 06 May 2026

https://github.com/rifleh700/radio-browser-json-openapi

The OpenAPI declaration of RadioBrowser JSON API

api json openapi radiobrowser rest swagger

Last synced: 23 Jun 2026

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

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

client csharp dotnet kiota openapi openapiclient together togetheropenapiclient

Last synced: 06 May 2026

https://github.com/skibidi-crypto/quarkus-openapi-problem

Standardized error responses for Quarkus REST APIs using Problem Details (RFC9457)

error exception jackson jakarta-rest jaxrs json openapi problem quarkus-extension resteasy rfc9457

Last synced: 06 May 2026

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

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

api client csharp dotnet intercom intercomopenapiclient kiota openapi openapiclient

Last synced: 07 May 2026

https://github.com/griptape-ai/griptape-cloud-python-client

Python client for Griptape Cloud APIs

ai griptape openapi python

Last synced: 24 Jun 2026

https://github.com/rashidintheworld/file-document-restapi

This project contains a collection of services that perform step-by-step PDF creation. It allows users to convert any text in PDF format by setting font, color and RGB properties through a single API. I shared the project on GitHub and am open to development.

itextpdf openapi pdf-generation restful-api spring-boot swagger

Last synced: 07 May 2026

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

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

api client csharp dotnet fastly fastlyopenapiclient kiota openapi openapiclient

Last synced: 07 May 2026

https://github.com/rahlplx/polyglot-microservices-platform

Comprehensive Solution Architecture: The Best of Both Worlds - Polyglot microservices with Hexagonal Architecture, SPIFFE/SPIRE zero-trust, gRPC/Protobuf, CDC, and AI/ML Intelligence Layer

ai-ml cdc debezium devops go grpc hexagonal-architecture kafka kotlin kubernetes microservices nodejs openapi polyglot protobuf python rust spiffe spire terraform

Last synced: 26 May 2026

https://github.com/layoric/exampleopenaiplugin

WIP Example OpenAi Plugin support for ServiceStack

openai openapi servicestack servicestack-plugin

Last synced: 07 May 2026

https://github.com/faisalaffan/community-waste-collection-api

REST API for community waste collection — households, pickups, payments, and reports. Built with Go Fiber

atlas docker fiber ghcr go golang gorm minio openapi postgresql rest-api swagger waste-management

Last synced: 24 Jun 2026

https://github.com/ztrehagem/openapi-to-fastify-schema

Generate schema objects for Fastify from OpenAPI documents

fastify fastify-library openapi openapi-codegen schema-first

Last synced: 07 May 2026

https://github.com/osisdie/dotnet-webapi-cqrs-boilerplate

Production-ready .NET WebAPI framework (CoreFX) with MediatR (CQRS), FluentValidation, JWT auth, OpenAPI/Swagger, email notifications (MailKit), Docker multi-stage build, and xUnit testing. Multi-targets net8.0 + net10.0.

aspnetcore automapper boilerplate clean-architecture corefx cqrs docker dotnet dotnet10 dotnet8 fluentvalidation healthcheck jwt mailkit mediatr openapi swagger webapi xunit

Last synced: 25 Jun 2026

https://github.com/what3words/what3words-api-docs

Host public Openapi spec and llms files for the what3words Public API

llms llmstxt openapi postman-collection what3words what3words-api

Last synced: 10 Jun 2026

https://github.com/debitoor/express-openapi

Express Open API

debitoor express openapi

Last synced: 08 May 2026

https://github.com/bolshchikov/quiver-mcp

MCP server for Quiver API

api mcp openapi quiver

Last synced: 08 May 2026

https://github.com/not-three/api

The !3 api, written in typescript, with the NestJS framework.

api docker hastebin nestjs openapi pastebin swagger

Last synced: 08 May 2026

https://github.com/zejnilovic/gh-openapi-preview

A Chrome extension that adds an OpenAPI Preview tab to GitHub’s file view for OpenAPI specs

chrome-extension github openapi

Last synced: 08 May 2026

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

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

api apiclient client csharp dotnet kiota make makeopenapiclient openapi openapiclient

Last synced: 25 Jun 2026

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

Python SDK for Kleister

kleister minecraft openapi python sdk

Last synced: 02 Aug 2025

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

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

csharp dotnet generated httpclient httpclients openapi replicate replicateopenapihttpclient singleton

Last synced: 10 Jun 2026

https://github.com/andrecaiado/spring-boot-openapi

Spring Boot demo project that implements API documentation using OpenApi specification and API-first approach

openapi openapi-generator openapi-specification spring-boot

Last synced: 08 May 2026

https://github.com/fern-api/action-postman-sync

A GitHub Action for updating a Postman Collection within a Workspace

fern openapi postman postman-collection

Last synced: 08 May 2026

https://github.com/marioruiz/api-testing-example

Example using RSpec and nice_http to test REST APIs. (Uber API and Reqres API)

openapi openapi3 rspec ruby swagger test testing

Last synced: 08 May 2026

https://github.com/pixxiti/oax

Open API Spec validation and client generation tooling for Typescript

ky oas oas3 openapi openapi3 react-query tanstack-react-query typescript validation zod

Last synced: 08 May 2026

https://github.com/skuong/rclone-rc-api-docs

Easy-to-read Rclone RC API docs using Scalar

api docs openapi rclone scalar

Last synced: 10 Jun 2026

https://github.com/mr-won/covid-19_openapi

보건복지부_코로나19 감염현황 총괄 통계 OpenAPI를 활용한 플러터 앱 프로젝트

covid-19 flutter-openai openapi

Last synced: 30 Mar 2025

https://github.com/tpdlshdmlrkfmcla/sparta_coding

[국비교육] 스파르타코딩클럽 안드로이드 앱 개발자 과정 주차별 학습 정리

android coroutines kotlin mvvm openapi retrofit

Last synced: 09 May 2026

https://github.com/met-dev/gamesellingproject

Game Sales Project Backend Side. Tech Stack= ASP.Net, EntityFramework, Code First

api-rest asp-net clean-architecture csharp domain-driven-design entity-framework entity-framework-core mssql-database openapi

Last synced: 09 May 2026

https://github.com/tryagi/runway

C# SDK based on Runway OpenAPI specification

ai autosdk csharp dotnet langchain langchain-dotnet netstandard openapi sdk

Last synced: 09 May 2026

https://github.com/toliyansky/openapi-spring-generator-example

Example for dev.to article

java openapi spring

Last synced: 09 May 2026

https://github.com/soenneker/soenneker.n8n.openapiclient

A .NET client generated from the N8N OpenAPI schema, updated daily

client csharp dotnet kiota n8n n8nopenapiclient openapi openapiclient

Last synced: 09 May 2026

https://github.com/vivek92503/weather-app

A weather app showing current conditions and forecasts using OpenWeatherMap API with location detection and temperature unit toggle.

api css3 html5 javascript openapi openwethermap-api

Last synced: 09 May 2026

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

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

client csharp dotnet generated kiota openapi openapiclient openaq openaqopenapiclient

Last synced: 09 May 2026

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

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

api client csharp dotnet kiota openapi openapiclient render renderopenapiclient

Last synced: 09 May 2026

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

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

csharp dotnet kiota openapi openapiclient rebrickable rebrickableopenapiclient

Last synced: 15 May 2026

https://github.com/subzeroid/hikerapi-mcp

MCP server for HikerAPI — 105+ Instagram API tools auto-generated from the OpenAPI spec. Use from Claude Code, Claude Desktop, Cursor, OpenAI Codex, Zed, Windsurf.

ai-tools auto-generated claude codex cursor data-api hikerapi instagram instagram-api mcp mcp-server model-context-protocol openapi social-media

Last synced: 26 Jun 2026

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

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

api client csharp dotnet kiota openai openaiopenapiclient openapi openapiclient

Last synced: 09 May 2026

OpenAPI Specification Awesome Lists
best-of-web-python 848 awesome-integration 686 awesome-jsonschema 94 awesome-corporate-standards 77
OpenAPI Specification Categories
Papers 726 Projects 422 Integration Patterns 200 Resources 191 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 Branchenspezifisch 26 HTML Processing 25