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.
- GitHub: https://github.com/topics/openapi
- Wikipedia: https://en.wikipedia.org/wiki/OpenAPI_Specification
- Repo: https://github.com/OAI/OpenAPI-Specification
- Created by: OpenAPI Initiative, Tony Tam, Darrel Miller, Mike Ralphson, Ron Ratovsky, Uri Sarid, Jason Harmon
- Released: August 10, 2011
- Related Topics: json-schema, raml, rest-api,
- Aliases: open-api, swagger-spec, swagger-specification, openapi-spec, openapi-specification, open-api-specification, oas, openapi-description,
- Last updated: 2026-07-11 00:22:15 UTC
- JSON Representation
https://github.com/leadpingai/leadping-java
Official Java SDK for the Leadping API.
api-client java kiota leadping leadping-api maven openapi rest-api sdk
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https://github.com/n8n-code/n8n-nodes-azure-marketplaceordering-agreements
REST API for MarketplaceOrdering agreements.
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https://github.com/leadpingai/leadping-typescript
Official TypeScript SDK for the Leadping API.
api-client javascript kiota leadping leadping-api nodejs npm openapi rest-api sdk typescript
Last synced: 02 Jul 2026
https://github.com/leadpingai/leadping-go
Official Go SDK for the Leadping API.
api-client go golang kiota leadping leadping-api openapi rest-api sdk
Last synced: 02 Jul 2026
https://github.com/arcsymer/restos-portal
Loyalty & rewards API for RestOS: NestJS 11, JWT auth+roles, points ledger with tiers, Prisma (SQLite/Postgres), throttler, OpenAPI
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https://github.com/guruakaashjn/thinkbridge_test
Think Bridge Test Guru Akaash Nagaraj Janthalur
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https://github.com/chara-x/rest
Generate openapi client and docs from proc-macro
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https://github.com/lugudu/openapi-ejemplo
Autogeneracion de APIs en Spring con OpenAPI
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https://github.com/n8n-code/n8n-nodes-iqualify
IQualify API provides management responses for building.
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https://github.com/belgif/openapi-organization-identifier
OpenAPI data types for organization identifiers
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https://github.com/bcrikko/openapi-typed-client
Type-safe API client using OpenAPI-like schema
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https://github.com/libninjacom/twilio-rs
Twilio client, generated from the OpenAPI spec, with love from the team at Libninja
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https://github.com/nicesi/openapi-ui-single-file
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https://github.com/clarius/azure.functions.openapi
Official docs site for https://github.com/devlooped/Azure.Functions.OpenApi
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https://github.com/ron96g/dev-tools
Collection of useful developer tools. Including JSON/Yaml Formatting, OpenAPI/Swagger Validation
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https://github.com/makefile-inc/openapi
Makefiles includes for generations client and servers and convertions openapi specs
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https://github.com/heiwa4126/terraform-apigw-ex2-openapi
TerraformでAWS Lambda (Python) & API Gateway (powered by OpenAPI) のサンプル
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https://github.com/cdn77/patroni-openapi
Patroni OpenApi v3 spec
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https://github.com/xutyxd/photron
A server to manage resources splitting into chunks for parallel download
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https://github.com/annacrisstina/trendyshop-showcase
Showcase: ASP.NET Core REST API (products & orders) + Flask UI demo. OpenAPI spec included.
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https://github.com/kaungkhantkyaw1997/api_client_generator
A Dart package to generate API client code from an OpenAPI schema.
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https://github.com/n8n-code/n8n-nodes-loket
First time? Check our Loket API introduction.
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https://github.com/fibercrypto/libskycoin-android
Native Android library for Skycoin API
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https://github.com/numq/cards-django-rest-api
Django implementation of cards/notes application backend
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https://github.com/sambacha/uniswapv4-hooks-openapi
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https://github.com/n8n-code/n8n-nodes-ljaero-dflight
DFlight API provides real-time data for UAV preflight compliance via separate endpoints.
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https://github.com/aleksandryackovlev/mock-api-example
This is an example project for learning how to mock API's using Openapi spec. It's intended to be used as a reference for the blog post "How to Mock an API Server in JavaScript"
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https://github.com/brokenprogrammer/mswg-gen
Custom OpenAPI generator that is used to generate swagger documentation using comments.
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https://github.com/impulse-sw/impulse-kit
Web services and tools for Impulse
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https://github.com/n8n-code/n8n-nodes-kumpeapps
KKid API requires authentication. Use KumpeApps credentials. Request access via...
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https://github.com/unitedideas/nothumansearch
Search engine for AI agents — ranks sites by agentic readiness (llms.txt, OpenAPI, MCP, ai-plugin). MCP server, REST API, full-text search. 8,000+ indexed sites.
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https://github.com/mermade/semoasa-tools
Tools to manipulate Semoasa documents
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https://github.com/go-api-libs/toggl
Go library for the toggl. The Toggl API allows developers to interact with Toggl's time tracking service programmatically. It provides endpoints for managing time entries, projects, clients, tags, and user information. With this API, you can automate time tracking, generate detailed reports, and integrate Toggl with other tools and services.
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https://github.com/libninjacom/petstore-ts
Petstore client, generated from the OpenAPI spec
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https://github.com/jfoclpf/get-openapi-examples
Extract all possible paths present in openapi.yaml based on paths and the provided examples
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https://github.com/alexdemure/fastoas
Customize and override OpenAPI schema details in FastAPI with ease
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https://github.com/postman-cs/postman-bootstrap-action
Public customer preview GitHub Action for Postman workspace, OpenAPI spec, and collection bootstrap
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https://github.com/go-giteria/giteria
Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD
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https://github.com/lost22git/test-quarkus
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https://github.com/constellation39/openapi-to-mcp
`openapi-to-mcp` is a Go language implementation that converts OpenAPI specifications into MCP (Model Context Protocol) tools.
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https://github.com/tpdlshdmlrkfmcla/covid-19_openapi
보건복지부_코로나19 감염현황 총괄 통계 OpenAPI를 활용한 플러터 앱 프로젝트
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https://github.com/mohamed255255/mini-order-tracker
Demo app to create and track orders and payments with SOAP / REST endpoints
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Last synced: 15 May 2026
https://github.com/rebecaborges/tsc-base-api
Typescript base api using OpenApi specification rules
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Last synced: 06 Apr 2026
https://github.com/soenneker/soenneker.dropboxsign.openapiclientutil
A thread-safe utility for obtaining DropboxSign's OpenApiClient singleton.
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Last synced: 06 Jun 2026
https://github.com/karurochori/base-blockchain
Barebone blockchain node defined by OpenAPI specs with simulation support.
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https://github.com/libninjacom/recurly-rs
Recurly client, generated from the OpenAPI spec
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https://github.com/badsyntax/gatsby-openapi
A mono-repo with a set a gatsby plugins that can be used to build API docs from an OpenAPI specification.
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https://github.com/simon-gardier/inventory-flutter-dotnet-app
MyVentory is an app/website built in Flutter with a backend written in Dotnet, hosted on Openshift and developped with modern CI/CD standards
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https://github.com/thejoltjoker/picterest
Full-stack app integrating Google Custom Search and Auth0 for user login, image search, and saving favorites. First assignment of FSU23D Integration course.
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https://github.com/gopireddy99/receipe_finder
🔍 Recipe Finder is a smart web application that helps users discover delicious recipes by simply entering the ingredients they have. Built with TypeScript, Tailwind CSS, and Python, it offers an intuitive interface and intelligent recipe suggestions based on user input.
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https://github.com/awtkns/openapi-perf-action
Github App and Action Allowing for CI/CD of OpenApi-Perf in Github
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https://github.com/mahmudindev/openapi-jikan-python
Python-based generated Jikan (MyAnimeList) OpenAPI client (Unofficial).
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https://github.com/iamgoatki/messendger_windl
Mини-приложение, реализующее функционал чата с возможностью отправки сообщений, их хранения в базе данных и создания групповых чатов.
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https://github.com/benaiad/sqlize
SQL interface for REST APIs
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https://github.com/n8n-code/n8n-nodes-magick-nu
API access requires username and password authentication.
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https://github.com/litestar-org/.github
Community health files for the @litestar-org organization
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https://github.com/ignaciogoldchluk/cuerdo
Property-based testing for Arazzo workflows
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https://github.com/n8n-code/n8n-nodes-motaword
Use MotaWord API to manage translation projects.
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https://github.com/garvae/mcp-mcphub
MCP server for managing MCPHub instances through the MCPHub REST Management API
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https://github.com/omermecitoglu/ts-openapi-interface-generator
OpenAPI interface generator for TypeScript
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https://github.com/nullbeam/example-node-ts
Example - Node JS application with Typescript and OpenAPI
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https://github.com/a-sync/ocap-odata
OData API for OCAP data (ocap-stats database)
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https://github.com/cornersyrup/miniature-octo-vienna
Demonstration of microservice with Terraform, Docker and OpenAPI
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https://github.com/herbat73/hackyeah2018
PKO BP FinTech solution for hackaton HackYeah2018
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https://github.com/go-openapi/codescan
Tools to generate an OAI spec from go source
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https://github.com/bl-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
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https://github.com/noelmugnier/fhydia
Fluent Hypermedia Library
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https://github.com/prajnasatryass/go-clean-arch-example
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https://github.com/swimmwatch/openapi-diff-semver-bump
A GitHub Action for getting appropriate updated SemVer OpenAPI package version.
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https://github.com/n8n-code/n8n-nodes-azure-azsadmin-loadbalancers
Load balancer admin endpoints and objects
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https://github.com/n8n-code/n8n-nodes-odos
Odos DeFi routing protocol optimizing token swaps by searching millions of paths for the best rates and lowest fees
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https://github.com/n8n-code/n8n-nodes-geodesystems
Search data across sources; manage documents, photos, knowledge; collaborate via blogs, wikis, dashboards.
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https://github.com/semperos/shortcutclient.jl
Julia client for Shortcut's REST API v3
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https://github.com/n8n-code/n8n-nodes-lifi
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https://github.com/n8n-code/n8n-nodes-zapier-nla
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https://github.com/n8n-code/n8n-nodes-azure-security-externalsecuritysolutions
Azure Security Center API specification
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https://github.com/n8n-code/n8n-nodes-walletobjects-pay-passes
API for issuers to save and manage Google Wallet Objects
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https://github.com/n8n-code/n8n-nodes-apisetu-gov-edistrictpb
Punjab government's online portal for certificates like Residence, SC/ST, OBC.
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https://github.com/cd0gu/openapi-to-repeater
Burp Suite extension to import OpenAPI specs and generate requests for Repeater.
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https://github.com/n8n-code/n8n-nodes-telnyx
SIP trunking, SMS, MMS, Call Control and Telephony Data Services
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https://github.com/kronyxgames/lesyria-launcher
The Official Lesyria Launcher App Electron
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https://github.com/praveen0777/multimodal-ai-assistant-with-face-recognition-emotion-analysis-gpt-based-and-object-detection-yolov8
The project introduces Maya, Multimodal AI Assistant with Face Recognition, Emotion Analysis, Voice-Controlled Interaction, GPT-Based Dialogue, and Real-Time Object Detection Using YOLOv8
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https://github.com/artmann/youtube-music-video-api
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https://github.com/swagger-akka-http/swagger-scala3-enum-module
Scala3 enum support for swagger
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