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/mrxz/javalin-openapi-apt
Annotation processing to generate OpenAPI specification from source code using Javalin
annotation-processor javalin openapi openapi3
Last synced: 22 May 2026
https://github.com/huakunshen/jsr-client
OpenAPI client for jsr API in 3 flavors
Last synced: 06 Feb 2026
https://github.com/leadpingai/leadping-php
Official PHP SDK for the Leadping API.
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Last synced: 03 Jul 2026
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
Last synced: 02 Jul 2026
https://github.com/meetup/sbt-openapi
Plugin for generating managed code from OpenAPI specifications
Last synced: 16 Jan 2026
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/marcin-brzozowski/openapi-examples
CLI application for generating OpenAPI examples
openapi openapi-generator openapi3
Last synced: 02 Feb 2026
https://github.com/leadpingai/leadping-go
Official Go SDK for the Leadping API.
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Last synced: 02 Jul 2026
https://github.com/genovaempera/vk-auth
Vkontakte Auth implementation based on OpenAPI. A short profile page and a list consisting of 5 friends of the user.
angular authorization openapi simple typescript vk-api vkontakte-api
Last synced: 25 Jan 2026
https://github.com/enricodeleo/aquasdk
Turn OpenAPI into a smooth, chainable SDK – with AquaSDK #OASv3 #openapi3
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Last synced: 11 Jun 2025
https://github.com/chara-x/rest
Generate openapi client and docs from proc-macro
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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/gribbirg/application-programming-interface
Practice works of API course, RTU MIREA
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https://github.com/n8n-code/n8n-nodes-id4i
ID4i HTTP API
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https://github.com/fugerit-org/yaml-doc-maven-plugin
Simple maven plugin for the yaml-doc-tool project
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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/omani/nkn-wallet
A next generation NKN wallet with built-in age encryption and NKN OpenAPI support.
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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/soenneker/soenneker.runners.telnyx.openapiclient
Automatically updates the Soenneker.Telnyx.OpenApiClient package
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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/marianmeres/file-based-routes
Mirror filesystem based routes to express endpoints.
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https://github.com/hoseungme/oas-api-client
API client library generator for Typescript based on OAS(OpenAPI Specification)
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https://github.com/mauricio-dolinski/comparafipe-api
A ComparaFIPE é uma API que consulta preços de veículos com base na tabela FIPE. Ela permite que os usuários analisem e comparem preços ao longo do tempo, oferecendo uma visão mais detalhada das estatísticas de preço dos veículos.
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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/fosfad/openapi-typescript-definitions
Types and interfaces for writing valid OpenAPI specification in TypeScript.
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https://github.com/mkloz/uevent-backend
Ticket marketplace API. https://api.mkloz.com/uevent/api/docs
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https://github.com/bujosa/alzirr
This is my first project related with the Spring Boot ecosystem, I want to achieve with this project, understand what the architecture and structure of this framework is like.
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https://github.com/casantosmu/openapi-scan
CLI tool for validating OpenAPI definitions
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https://github.com/experienced-dev/java-starter-template
Java Starter Template
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https://github.com/vernoxvernax/willhaben-api
WIP Willhaben API Documentation
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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/pashamakhilkumarreddy/react-openapi
React OpenAPI
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https://github.com/alfarseniko/ai-accountability
An attempt at a Headstarter AI Fellowship Hackathon. This is an app that is meant to use the OpenAI API to help you with your accountability goals.
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https://github.com/nsubrahm/parl
The PARL approach for microservices
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https://github.com/yo-mah-ya/openapi-with-express
OpenAPI-with-Express implemented in TypeScript
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https://github.com/tsapporg/openapi-includer-cli
Add $includes keyword support to OpenAPI specs to include files for certain parts of the spec - like paths - which $ref normally does not support.
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Last synced: 05 Jan 2026
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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Last synced: 16 May 2026
https://github.com/swimmwatch/python-opendota
:video_game: Generated Python SDK for working with OpenDota API.
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https://github.com/n8n-code/n8n-nodes-interzoid-getfullnameparsedmatch
API generates similarity key for matching parsed name components, including deduplication.
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https://github.com/stainlu/stainful
The open-source Stainless — point your existing stainless.yml at it and get the same idiomatic Python SDK. Zero migration. No SaaS.
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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/fibercrypto/libskycoin-android
Native Android library for Skycoin API
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https://github.com/mzubairtahir/polling-system
This is a learning project—a web application that enables users to create polls between two individuals to determine who has a larger network and garners more votes.
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https://github.com/noi-techpark/opendatahub-swaggerui
Generic Swagger Instance for all Open Data Hub APIs
Last synced: 12 Jan 2026
https://github.com/contain3rlab/laos-postcode
laos-postcode api which hosted on cloudflare workers
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https://github.com/mimisukemaster/gemini-voicevox-for-aituber
書籍「AITuberを作ってみたら生成AIプログラミングがよくわかった件」にて、APIをOpenAIからGeminiに変更したプログラム
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https://github.com/hochfrequenz/malo-ident-python-models
Pydantic Model Classes for the EDI@Energy MaLo Ident API
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https://github.com/belgif/openapi-healthcare
Reusable OpenAPI components in the health care domain
Last synced: 10 Jul 2025
https://github.com/salacoste/openapi-mcp-swagger
Solve AI context window limits for API docs | Convert any Swagger/OpenAPI to searchable MCP server | AI-powered endpoint discovery & code generation | Works with Cursor, Claude, VS Code
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Last synced: 08 Apr 2026
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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Last synced: 15 May 2026
https://github.com/n8n-code/n8n-nodes-interzoid-getstateabbreviation
API returns two-letter state/province abbreviations for standardization, queries, analytics, and data merging.
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Last synced: 30 Jun 2026
https://github.com/org-metalib/api-wiser
API Wiser is a tool to automate the generation of complete Maven projects for Java applications directly from your OpenAPI Specification, leveraging OpenAPI Tools to accelerate development and ensure consistency.
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Last synced: 21 May 2026
https://github.com/brokenprogrammer/mswg-gen
Custom OpenAPI generator that is used to generate swagger documentation using comments.
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Last synced: 15 May 2026
https://github.com/soenneker/soenneker.cohere.openapiclientutil
A thread-safe utility for obtaining Cohere's OpenApiClient singleton.
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Last synced: 06 Jun 2026
https://github.com/skygenesisenterprise/lyscode-website
The LysCode.com Website
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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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Last synced: 01 May 2026
https://github.com/roymcfarland/llm-workbench
Open-source, model-agnostic control plane for LLM agents — tamper-evident, human-gated, replayable run bundles with full trace history, model I/O, and cost telemetry. TypeScript · React · MCP · OpenAPI. MIT, published on npm.
ai-agents ai-governance ai-sdk audit-trail human-in-the-loop llm llm-agents llm-observability mcp model-context-protocol nextjs observability openapi react replay run-bundles tracing typescript
Last synced: 02 Jul 2026
https://github.com/opifexm/sixcitiesserver
The Six Cities Server is a Node.js-based platform offering affordable travel accommodations via REST API and CLI. It features user authentication, dynamic listings, comments, and favorites, utilizing MongoDB for data management.
cli docker expressjs mongodb nodejs openapi rest-api typescript
Last synced: 07 Apr 2026
https://github.com/inyourtime/fastify-openapi-serve
Fastify plugin that serve OpenAPI specifications from multiple files as JSON or YAML
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Last synced: 12 Apr 2025
https://github.com/mermade/semoasa-tools
Tools to manipulate Semoasa documents
Last synced: 15 May 2026
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.
api api-client api-library automation go golang integration openapi openapi3 productivity project-management time-management time-management-tools time-tracking toggl toggl-api
Last synced: 15 May 2026
https://github.com/rocket-org-imdeepmind/redocweb
RocketRedoc is a hosted Redoc UI instance that allows users to visualize and interact with OpenAPI documentation.
Last synced: 21 May 2026
https://github.com/danhunsaker/openapi2siege
A simple tool to convert your OpenAPI spec(s) to one or more Siege URL files
Last synced: 19 May 2026
https://github.com/n8n-code/n8n-nodes-azure-marketplaceordering-agreements
REST API for MarketplaceOrdering agreements.
api automation azure-marketplaceordering-agreements n8n n8n-community-node n8n-node openapi swagger workflow
Last synced: 30 Jun 2026
https://github.com/n8n-code/n8n-nodes-iqualify
IQualify API provides management responses for building.
api automation iqualify n8n n8n-community-node n8n-node openapi swagger workflow
Last synced: 30 Jun 2026
https://github.com/numminorihsf/openapi-to-json-schema
Generate json schema from openapi spec
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Last synced: 09 May 2026
https://github.com/libninjacom/petstore-ts
Petstore client, generated from the OpenAPI spec
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Last synced: 06 May 2026
https://github.com/mich0232/drf-api-schema-tutorial
Django REST framework OpenAPI schema generation
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Last synced: 05 Jan 2026
https://github.com/sukkola/openapiv3-filter
Cli tool for filtering openapi v3 documents
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Last synced: 15 May 2026
https://github.com/alexdemure/fastoas
Customize and override OpenAPI schema details in FastAPI with ease
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Last synced: 27 Mar 2025
https://github.com/carturo8/eventhub
RESTful event and venue management API built with Spring Boot, JWT security, and Clean Architecture.
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Last synced: 07 Jul 2026
https://github.com/jdifool/tempest-openapi-tools
OpenAPI specification generator and interactive documentation UI for the Tempest framework.
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Last synced: 20 Jan 2026
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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Last synced: 01 Jul 2026
https://github.com/lambda-feedback/evaluation-function-api
OpenAPI Specification and Validation Schemas for the Evaluation Function API
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Last synced: 12 Jan 2026
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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https://github.com/alexandrelamberty/hortus-api-spec
:seedling: Gardening Planner API Specification.
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https://github.com/entur/abt-bob-openapi
OpenAPI artifacts for the BoB standard
Last synced: 06 Apr 2026
https://github.com/alexandrelamberty/nasa-neows-api-spec
:rock: NASA Near Earth Object Web Service API Specification.
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Last synced: 07 Nov 2025
https://github.com/n8n-code/n8n-nodes-loket
First time? Check our Loket API introduction.
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Last synced: 30 Jun 2026
https://github.com/soenneker/soenneker.quo.httpclients
A thread-safe singleton HttpClient for Quo's OpenAPI integration.
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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/astoria-gouv/interieur-website
javascript nodemon openapi talwdincss typescript vite yarn
Last synced: 09 Apr 2026
https://github.com/localgod/minado
Generating OpenApi specifications and API management policies from Azure Logic App Standard
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https://github.com/mizcausevic-dev/vapor-saas-billing-engine
Swift Vapor billing engine for subscription lifecycle, proration, dunning, and replay-safe webhook idempotency.
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