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: 2026-04-05 00:18:14 UTC
- JSON Representation
https://github.com/charconstpointer/ihateannotations
Example combining buf, Protobuf, gRPC, gRPC Gateway and OpenAPI
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https://github.com/fmarmol/openapigen
openapi yaml generation directly from golang
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https://github.com/mpreu/husqvarna-api-clients
Autogenerated API clients for Husqvarna APIs.
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https://github.com/elmodo7/tuya4ahk
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https://github.com/soferai/soferai-openapi
OpenAPI specification for the Sofer.Ai API
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https://github.com/rebecaborges/tsc-base-api
Typescript base api using OpenApi specification rules
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https://github.com/modscleo4/midori-swaggerui
Swagger UI package for Midori framework
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https://github.com/shade-sdev/forumnation
Web Application built with Quarkus.
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https://github.com/romanow/aggregator-by-tags
OpenAPI aggregator by Tags
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https://github.com/lepetitbloc/swagger-editor
Configurable live reloaded swagger-editor instance.
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https://github.com/willmeyers/stainless-cli
A work-in-progress command-line utility for interacting with Stainless. This project is in no way affiliated with or supported by Stainless.
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https://github.com/huakunshen/jsr-client
OpenAPI client for jsr API in 3 flavors
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https://github.com/battis/openapi-client.generator
[READ-ONLY] Generate a PHP client for a RESTful API from its OpenAPI description file
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https://github.com/lugudu/openapi-ejemplo
Autogeneracion de APIs en Spring con OpenAPI
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https://github.com/meetup/sbt-openapi
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https://github.com/yuno-obsessed/spring-coursework
pet-clinic app using spring boot
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OpenAPI Definitions for i-sense flu API
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Создание телеграм бота с ChatGPT o1, o3-mini, DeepSeek, Claude 3.7, Command-A, MiniMax
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Golang backend clean architecture example
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https://github.com/go-api-libs/freepublicapis
Go library for the Free Public APIs API. The Free Public APIs API provides up-to-date information on every free public API listed on freepublicapis.com. Perfect for developers, students and hobbyists. It is limited to 1000 requests a day, if you need more, feel free to reach out.
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Dockerized api app to query online selling platforms for open order data and provide a calculated total open orders and total open order value via OpenAPI endpoint.
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https://github.com/thanadolps/swarch_rest
Simple REST API Assignment as part of Chulalongkorn 2110521 Software Architecture course.
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https://github.com/alexcheng1982/llm-openapi-function-spring-ai-generator
Generate Spring AI functions from OpenAPI spec
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https://github.com/davutbayik/auto-advisor-ai
AutoAdvisor is an AI-powered business strategy assistant that validates user-submitted business ideas, generates strategic reports using multi-agent reasoning, and delivers actionable insights including a SWOT analysis.
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https://github.com/cdzombak/swagger-editor-app
Electron wrapper for the Swagger/OpenAPI editor at editor.swagger.io
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https://github.com/krlan2789/lan-socialmedia-api
ASP.NET Project - Social Media REST API
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https://github.com/omani/nkn-wallet
A next generation NKN wallet with built-in age encryption and NKN OpenAPI support.
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https://github.com/ibrahimalsabr/chatop
ChâTop is a Spring Boot backend API for rental property management. It offers REST endpoints for authentication, property listings, and messaging, serving as the backend for an Angular frontend and replacing the previous system.
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https://github.com/aaryanpour/api-schema-endpoint-counter
A simple offline utility website to count endpoints in different (OpenAPI, Postman, GraphQL) schemas of different kinds (JSON, YAML, DSL).
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https://github.com/youssefgamalmohamed/observability-spring-boot
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https://github.com/libninjacom/twilio-sendgrid-v-3-rs
twilio sendgrid v3 client, generated from the OpenAPI spec
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https://github.com/go-api-libs/iss-location
Go library for the ISS Current Location. Provides the current location of the International Space Station (including latitude, longitude, and timestamp) and a list of people currently in space. Users are advised to poll the API no more than once every 5 seconds.
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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/khaled878/lyscode-platform
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https://github.com/go-giteria/api-service
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https://github.com/vaelixbank/vaelix-api
The Open-Bancking API source code
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https://github.com/alwalxed/hono-openapi-template
A production-ready, type-safe Cloudflare Workers starter template featuring Hono framework, Zod validation, OpenAPI documentation, Scalar UI, and Drizzle ORM integration.
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https://github.com/k5ki/oapigen-poc
how to reuse the model for each endpoint
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https://github.com/mohammadalmalt/eshopbackend
A Spring Boot-based RESTful API for an e-commerce platform with user authentication, product management, order processing, and admin capabilities.
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Spring Boot demo project that implements API documentation using OpenApi specification and API-first approach
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https://github.com/go-api-libs/remote-ok-jobs
Go library for the Remote OK Jobs API. Remote OK is the #1 remote-only jobs board on the web. It has over 30,000+ remote job listings, adding new ones every day. With this API, now you can build apps with our data feed which covers 80% of remote jobs on the web.
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https://github.com/vernoxvernax/geizhals-api
WIP Geizhals/Skinflint API Documentation
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https://github.com/codexparas/db-migrator
DB Migrator is a Spring Boot-based tool for seamless data migration between MySQL, PostgreSQL, and Oracle databases. Using Spring Batch, it supports efficient batch processing and provides REST APIs for migration and data insertion.
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https://github.com/yury-zakharov/elmopenapiclientgen
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https://github.com/ferror/openapi-coverage
Symfony Command that calculates Open API documentation coverage
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https://github.com/anjola-adeuyi/chatgpt_openai_project_fullstack
🦾 A project showcasing open ai, chat-gpt feature
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https://github.com/oblivionos/website
The Official Website of OblivionOS Project
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https://github.com/noi-techpark/opendatahub-swaggerui
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https://github.com/stoplightio/spectral-openapi
Teaches Spectral how to validate an OpenAPI description is valid according to the v2.0, v3.0, or v3.1 specifications.
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https://github.com/tryagi/recraft
C# SDK based on official Recraft OpenAPI specification
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https://github.com/quiddlee/nodejs-home-library-service
🏡 Node.js Home Library Service
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https://github.com/merkys/data-validate-openapi
Validate and untaint input parameters via OpenAPI schema
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https://github.com/astoria-gouv/website-economie
The Website of Economy Ministry
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https://github.com/cedricziel/php-openapi-client-template
Template repository for OpenAPI client libraries with JanePHP
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https://github.com/fibercrypto/libskycoin-cpp
Skycoin client libraries for the C++ language
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https://github.com/dacr/lorem-ipsum-server-akkahttp
lorem-ipsum service with API
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https://github.com/locol23/swagger-github-pages
Visualize open api yaml with swagger-ui and deploy to GitHub pages
Last synced: 10 Sep 2025
https://github.com/pccomponentes/documentation-bundle
The documentation bundle manages the required routes and templates in order to show documentation both in OpenApi and AsyncApi formats.
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Last synced: 06 Nov 2025
https://github.com/ashutoshsahoo/gs-spring-boot3-open-telemetry
Spring Boot 3 with Open Telemetry
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https://github.com/cedricziel/bondora-openapi-php
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https://github.com/matthew-shaw/fastapi-vs-flask
FastAPI vs Flask
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https://github.com/danhunsaker/openapi2siege
A simple tool to convert your OpenAPI spec(s) to one or more Siege URL files
Last synced: 24 Jul 2025
https://github.com/ahmadnassri/node-oas-request-readme
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Last synced: 09 Feb 2026
https://github.com/ambrosiaandrade/pets
Pet Project is a Spring Boot backend app showcasing clean architecture, Kafka integration, async endpoints, and CI/CD with GitHub Actions. Ideal for learning and prototyping modern backend features.
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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/22bcaf47/schematica-frontend
This repository holds the frontend source code for Schematica, a modern API documentation platform designed for collaboration between backend and frontend teams. Explore the features and quirks that make this tool user-friendly and efficient. 🐙✨
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https://github.com/python-jsonschema/referencing-loaders
Loading resources from various locations into referencing registries
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https://github.com/dweber019/spring-sleuth-example
With OpenApi, RestTemplate and request logging
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https://github.com/sukkola/openapiv3-filter
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https://github.com/soenneker/soenneker.coinbase.openapiclients.cdp
A Coinbase .NET client generated from their OpenAPI schema, updated daily
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https://github.com/jdifool/tempest-openapi-tools
OpenAPI specification generator and interactive documentation UI for the Tempest framework.
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https://github.com/lambda-feedback/evaluation-function-api
OpenAPI Specification and Validation Schemas for the Evaluation Function API
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https://github.com/alexandrelamberty/sentinel-api-spec
:diamond_shape_with_a_dot_inside: Home Automation and Monitoring IoT Software API Specification.
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:seedling: Gardening Planner API Specification.
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https://github.com/alexandrelamberty/nasa-neows-api-spec
:rock: NASA Near Earth Object Web Service API Specification.
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https://github.com/iyxan23/openapi-example
🛜 an example of API-first development with OpenAPI. with an ExpressJS backend, and Flutter frontend.
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https://github.com/astron-collection/astron-mail
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https://github.com/usamabinshahid97/translation-management-service
A high-performance Laravel-based API service for managing translations across multiple locales with advanced tagging and search capabilities
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https://github.com/drewalth/openapi-generator
Generate an OpenAPI Spec file from ORM model definitions
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https://github.com/karurochori/base-blockchain
Barebone blockchain node defined by OpenAPI specs with simulation support.
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https://github.com/abhishek-sharma-dev-13/translation-management-service
Manage translations effortlessly with our Laravel API service. Enjoy multi-locale support, advanced tagging, and high performance. 🌍🚀
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https://github.com/msaleme/utility-ai-mulesoft-api
AI-powered MuleSoft API platform enabling 10-minute grid recovery for utilities. Integrates SCADA, weather, DER, and field systems with autonomous agent coordination. -15M annual ROI through 85% outage reduction.
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https://github.com/fderuiter/imednet-openapi-spec
imednet rest api openapi spec.
Last synced: 18 Jul 2025
https://github.com/arkanatelecom/arkana-dns
Official Arkana DNS Server System
Last synced: 18 Jul 2025
