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/soenneker/soenneker.pinecone.openapiclientutil

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

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Last synced: 05 Jul 2026

https://github.com/fvillanuevape/spring-boot-openapi-oke

Article API Spring Boot and Kubernetes - Spring Boot Open API OKE, es una demo sobre como usar los servicios de kubernetes de oracle cloud para desplegar una API desarrollado en spring boot y de igual manera la documentación de la API usando OAS 3.0.0.

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Last synced: 02 Feb 2026

https://github.com/dacr/counters

Just count things with API

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

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

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https://github.com/soenneker/soenneker.telnyx.clientutil

An async thread-safe singleton for the Telnyx OpenApiClient

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https://github.com/samgutentag/pyaudius

A Python Implentation of the Audius API

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https://github.com/arkanatelecom/arkana-wiki

Oficial Arkana Documentation Wiki ressource

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https://github.com/jeffhuen/tiger_stripe

A Stripe library for Elixir — typed SDK, client, and webhooks generated from the official OpenAPI spec.

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https://github.com/seabed-labs/drip-client

Generated API Clients for the Drip Backend

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https://github.com/letehaha/walutomat-sdk

Unofficial SDK clients for the Walutomat API v2.0.0. Walutomat is a Polish peer-to-peer currency exchange platform operated by Currency One. This SDK provides typed clients for their REST API, covering wallet management, transfers, direct FX, and the P2P market order book.

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https://github.com/controlplane-com/types-ts

Control Plane TypeScript type definitions for type-safe API interactions

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

A National Weather Service (NWS) .NET client generated from their OpenAPI schema, updated daily

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https://github.com/goafabric/callee-service-quarkus

⚛️Very tiny QUARKUS Service without Persistence - Also includes a native image build

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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/sirerun/mint

mint is an open-source Go CLI that turns any OpenAPI 3.0/3.1 specification into a working Go MCP server.

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https://github.com/wronai/allama

testing and benchmarking suite for Large Language Models (LLMs) focused on Python code generation. The project enables automatic quality assessment of generated code through various metrics and generates detailed HTML reports.

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

A .NET thread-safe singleton HttpClient for Rebrickable

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https://github.com/wilson0x4d/tornado-openapi

..an OAS-generation library for Tornado.

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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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https://github.com/nigussolomon/nest-util

Supercharge NestJS development with a generic CRUD engine, automated CLI generator (ncnu), and essential utilities. Features deep TypeORM integration, automated Swagger/OpenAPI documentation, and rapid boilerplate generation.

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https://github.com/omermecitoglu/tsmancer

Conjures strictly-typed API clients from an OpenAPI tome

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

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

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https://github.com/doodlescheduling/swagger-hub-controller

Kubernetes controller for managing swagger UI

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https://github.com/pchchv/strava-cycling-tool

Project that uses the Strava API to download and analyze cycling training data

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https://github.com/rehanvdm/pets-frontend

Part of a blog series: Improve Developer Experience (DX) by publishing an API SDK - a CDK Serverless example

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

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

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

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

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

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

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https://github.com/bero158/glslabel

GLS API yaml + auto-generated openapi client + CLI for downloading the labels

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Last synced: 18 Apr 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

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Last synced: 20 Apr 2026

https://github.com/soenneker/soenneker.fly.machines.httpclients

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

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

OpenAPI specification for Woosmap Platform

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

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

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

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

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

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

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

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

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

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

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Last synced: 04 Jul 2026

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

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

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

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

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Last synced: 07 Jun 2026

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

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

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Last synced: 06 Jun 2026

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

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

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Last synced: 06 Jun 2026

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

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

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

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

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

Rendering tools for OpenAPI v3

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https://github.com/tonystrawberry/playground.openapi.generator

🚀 Demo project with OpenAPI Generator & Typescript

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https://github.com/badsyntax/lamernews-api-client

Lamer News API client

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Last synced: 26 Apr 2026

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

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

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Last synced: 07 Jun 2026

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

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

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https://github.com/jinjihuang88-ui/maplebridge-open

Public API docs for MapleBridge, a North America to China B2B supplier matching platform.

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https://github.com/bamp/arrobavolver-api

API foundation for end-to-end product prototypes (contracts, integrations, flows)

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https://github.com/fibercrypto/skycoinr

Skycoin client libraries for the R programming language

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Last synced: 29 Apr 2026

https://github.com/mike-brady/flask-apispec-tools

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Last synced: 29 Apr 2026

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

Generated OpenAPI for Marketstack

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https://github.com/woile/drf-serializers

exploring DRF Serializers with OpenAPI

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https://github.com/toshiemon18/schemar

Design and generate OpenAPI schema with Ruby models

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https://github.com/iamyasinkaya/morwinyon

Morwinyon, geliştiricilere var olan .NET yazılım projelerine ek işlevsellikler kazandırmak için tasarlanmış bir NuGet paketi uzantısıdır.

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

CLI for working with APIs using the OpenAPI specifications

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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/90dy/ts-openapis

Typescript pre-generated OpenAPIs clients

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Last synced: 02 May 2026

https://github.com/zunda-pixel/niabis-api

NiaBis API

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https://github.com/the-orange-alliance/toa-docs

📄Swagger Docs site hosting The Orange Alliance's OpenAPI Spec

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https://github.com/nexys-system/postman-openapi-ui

generate Open API from Postman collection

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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.

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Last synced: 03 May 2026

https://github.com/vicradon/petstore

A modified version of the Petstore API offered by SwaggerHub

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https://github.com/srinitude/effect-json-schema

Tiny Effect Schema adapter for Standard JSON Schema V1

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https://github.com/himenon/github-rest-api-client

codegen github-rest-api openapi

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https://github.com/slaterhaus/openapi-sdk-generator

Generate TypeScript SDKs, Postman collections, GraphQL schemas, and cURL commands from OpenAPI specifications

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

A Kotlin library for converting Json-object into OpenAPI Schema

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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/developerkunal/openmorph

OpenMorph: Modern CLI & TUI for safe, interactive OpenAPI vendor extension key transforms with colorized diffs, dry-run, and config merging.

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Last synced: 05 May 2026

https://github.com/shivam-dhir/unified-payment-gateway

A scalable backend microservice built with Spring Boot to handle secure online payments, supporting multiple payment gateways, real-time processing, and multi-currency transactions with high availability and security.

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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.

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https://github.com/leozqin/laridae

A registry and proxy server for agentic tool-calling

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Last synced: 06 May 2026

https://github.com/toobeeh/tirith

Angular & NEST fullstack application for skribbltypo website & dashboard

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Last synced: 06 May 2026

https://github.com/wacko1805/victorian-covid-stats

An open API of COVID statistics in Victoria, Australia. The data is ripped from coronavirus.vic.gov.au

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Last synced: 07 May 2026

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

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

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Last synced: 06 Jun 2026

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

Generate schema objects for Fastify from OpenAPI documents

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

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

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

MCP server for Quiver API

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https://github.com/humbertodias/mn-kotlin-openapi-helloworld

Openapi through micronaut with kotlin

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https://github.com/gridaco/postgrest-openapi

JS postgREST OpenAPI Spec parser

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

Easy-to-read Rclone RC API docs using Scalar

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https://github.com/tpdlshdmlrkfmcla/sparta_coding

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Last synced: 09 May 2026

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

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

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

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

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

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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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Last synced: 09 May 2026