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: 2026-07-08 00:22:40 UTC
- JSON Representation
https://github.com/iqbalmind/jurnal-api-example
A collection of example integrations with the Mekari Jurnal Open API using different Code & frameworks. This repository aims to help developers quickly understand and implement Jurnal API integrations across various environments.
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https://github.com/lornajane/apitapviz
Simple visualisation of OpenAPI Arazzo files as Markdown or mermaidjs. (Mirror of the main apitapviz repo)
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https://github.com/jaqx0r/rules_oapi_codegen
Bazel rules for generating API service handlers with `oapi-codegen`.
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Last synced: 10 May 2026
https://github.com/soenneker/soenneker.algolia.openapiclientutil
A thread-safe utility for obtaining Algolia's OpenApiClient singleton.
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Last synced: 11 May 2026
https://github.com/soenneker/soenneker.openapi.merger
A utility library to merge OpenApi specs
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https://github.com/soenneker/soenneker.x.clientutil
An async thread-safe singleton for X OpenApiClient
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https://github.com/minericefield/smartphone-app-designers-portfolio-api-docs
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https://github.com/lenivaya/expensify
📊 Modern, full-stack expense tracking application with rich analytics, GDPR-compliant privacy features, and comprehensive budgeting tools. Built with Next.js 15 and NestJS.
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https://github.com/client-api/pmg-php
PHP SDK for the Proxmox Mail Gateway (PMG) API.
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https://github.com/dhslegen/disciplined-delivery-toolkit
Claude Code plugin: superpowers discipline + toB delivery governance — 5-station spine (need→contract→implement→verify→deliver), Iron Law file-fact enforcement, SSoT accountability, ROI reporting. Zero deps.
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https://github.com/bilal-fazlani/mockserver-openapi-scenario-extension
A MockServer expectation initializer that turns OpenAPI x-mockserver-scenarios extensions into executable MockServer expectations at startup.
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https://github.com/moontai0724/openapi-types
TypeScript types for OpenAPI specification. (v3.1 only now)
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https://github.com/opastorello/unifi-api-docs
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https://github.com/jathanism/okapi
OpenAPI 3.x client and CLI generator for Go
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https://github.com/glebmish/intervals-icu-cli
Command-line client for the intervals.icu training API, built for AI-agent use. 148 operations.
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https://github.com/typisttech/swagger_ui_standalone
Generate standalone static Swagger UI sites from OpenAPI specifications.
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https://github.com/ismiljanic/otvrac
Repozitorij za predmet "Otvoreno računarstvo" koji sadrži laboratorijske vježbe iz akademske godine 2024./2025.
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https://github.com/mizcausevic-dev/experimentation_insights_kpi
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https://github.com/mizcausevic-dev/webhook-ingestion-pipeline
Webhook Ingestion Pipeline
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https://github.com/mizcausevic-dev/vapor-saas-billing-engine
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https://github.com/soenneker/soenneker.plex.openapiclientutil
A thread-safe utility for obtaining Plex's OpenApiClient singleton.
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https://github.com/soenneker/soenneker.postman.converter
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https://github.com/dieperid/bucket-adapter
Bucket Adapter repository for BI1.
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A thread-safe singleton HttpClient for CalCom's OpenAPI integration.
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A thread-safe singleton HttpClient for Discord's OpenAPI integration.
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https://github.com/0x-jerry/openapi-ts
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https://github.com/livingdocsio/openapi
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As demoed at the Dot Net North .NET Conf Local Event in December 2020. A simple overview of Open API and Swagger in .NET
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https://github.com/etherman-os/backcraft
describe your idea, get a working backend
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Fastify with OpenAPI and typescript-json-schema example
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https://github.com/asteriskiry/eventsignup_backend
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https://github.com/heyymamana/chat-genius
A react-native chatbot application which contains multiple chatbots, designed to offer a human-like interaction to various domains.
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https://github.com/minterteam/node-grpc-gateway
Minter Node gRPC and REFTful API gateway
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https://github.com/cicatriiz/cdisc-library-mcp-server
DXT-packaged MCP server for the CDISC Library (discovery, Biomedical Concepts, SDTM Dataset Specializations)
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https://github.com/soenneker/soenneker.github.filestore
A high-level file system utility for GitHub repositories, built on the GitHub OpenAPI client. Supports reading, writing, deleting, listing, and checking file existence via the GitHub Contents API.
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https://github.com/boywithkeyboard-archive/openapi-vultr
An OpenAPI client for Vultr's API written in TypeScript.
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https://github.com/arkanatelecom/arkana-wiki
Oficial Arkana Documentation Wiki ressource
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https://github.com/nikothomas/ribbon-health
An API client for interacting with the data provided by Ribbon Health, including information about healthcare providers, locations, insurances, and more.
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https://github.com/orca-scan/orca-scan-openapi
Orca Scan OpenAPI Specification
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https://github.com/jonathanscholtes/azure-ai-foundry-databricks-research
Agentic AI solution for exploring and reasoning over Databricks using Azure AI Foundry, Semantic Kernel, OpenAPI, and MCP with full observability and orchestration support.
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https://github.com/weslleycapelari/horse-documentation
Documentação OpenAPI para suas APIs Horse em Delphi.
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https://github.com/mathrix-education/openapi-processor
Template Engine for YAML-based OpenAPI specifications.
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https://github.com/gopad/gopad-js
Javascript SDK for Gopad
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https://github.com/soenneker/soenneker.instantly.runners.openapiclient
Automatically updates the Soenneker.Instantly.OpenApiClient package
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https://github.com/jonatandb/weatherapp_api
API of https://github.com/Jonatandb/weatherapp_frontend
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https://github.com/maineffort/swaggerized-spring-petclinic
This is "swaggerized" version of the spring petclinic i.e. with OpenApi support
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https://github.com/nicat-as/balance-notifier
Application for integrating with different openbanking apis of banks and track balance increase and then notify
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https://git.hiifong.cc/mirrors/redoc
📘 OpenAPI/Swagger-generated API Reference Documentation
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https://github.com/spanpanel/span-panel-api
Python API client for SPAN Panel - provides async interface to control circuits, monitor power usage, and manage panel settings
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https://github.com/murilobeltrame/springjerseydemoapi
Demo API built with Spring and Jersey
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Last synced: 16 Apr 2026
https://github.com/soenneker/soenneker.loops.openapiclient
A Loops (loops.so) .NET client generated from their OpenAPI schema, updated daily
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https://github.com/soenneker/soenneker.instantly.clientutil
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https://github.com/soenneker/soenneker.trustedform.certificates.openapiclient
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https://github.com/scm-manager/scm-breakingchange-maven-plguin
Proof of concept for breaking api change detection
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https://github.com/mermade/oas-containers
Docker/podman containers for OAS documentation and registry
Last synced: 06 Jul 2025
https://github.com/thavarshan/orthrus
⛨ A production-ready, multi-tenant JWT authentication service built with Symfony 7.3 and PHP 8.2+.
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Last synced: 02 Apr 2026
https://github.com/soenneker/soenneker.sonarr.openapiclient
A .NET client generated from the Sonarr OpenAPI schema, updated daily
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https://github.com/soenneker/soenneker.openai.httpclients
A thread-safe singleton HttpClient for OpenAI's OpenAPI integration.
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https://github.com/zemloai-ctrl/zemloai-api
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https://github.com/syucream/holaspirit-client-typescript-fetch
A TypeScript client for the Holaspirit API, generated from the official OpenAPI specification using openapi-fetch.
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https://github.com/astroway/astrology-api-openapi
OpenAPI 3.1 spec for the AstroWay astrology API — natal charts, synastry, transits, Vedic, Human Design, Tarot, Numerology. Generate a typed client in any language.
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https://github.com/soenneker/soenneker.quo.openapiclientutil
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https://github.com/soenneker/soenneker.gitlab.openapiclientutil
A thread-safe utility for obtaining GitLab's OpenApiClient singleton.
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https://github.com/adilrasheed139/lumilens-ai
LumiLens is an AI-powered platform designed to revolutionize virtual tourism by delivering immersive, interactive experiences that blend text, image, and video storytelling. With LumiLens, users can explore cultural sites, meet historical figures, and relive key events through AI-generated.
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https://github.com/xutyxd/ts-openapi-contract-first-boilerplate
A boilerplate for building contract-first APIs in TypeScript with OpenAPI. Includes OpenAPI definition, compliant server setup, and npm package generation for seamless API development.
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https://github.com/mustafaautomation/ai-testgen
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https://github.com/soenneker/soenneker.calendly.openapiclient
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https://github.com/bero158/glslabel
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https://github.com/mimikos-io/mimikos
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https://github.com/neurocad-eu/neurocad-api-docs
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