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: 2026-07-05 00:18:41 UTC
- JSON Representation
https://github.com/voznov/zod-dto
Zod to DTO classes for TypeScript & NestJS & OpenAPI
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https://github.com/azhirov/openapi-3.0-types
This package provides TypeScript types for OpenAPI 3.0
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https://github.com/soenneker/soenneker.firecrawl.httpclients
A thread-safe singleton HttpClient for Firecrawl's OpenAPI integration.
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https://github.com/joergschultzelutter/openapi-to-robot-framework-datadriver-testgenerator
Generates a fully-fledged Robot Framework Datadriver test and (optional) Jira/XRay test tickets from an OpenAPI V3 JSON/YAML schema file.
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https://github.com/jimsten/ticketflow
High-concurrency booking/ticketing system (MVP first)
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https://github.com/soenneker/soenneker.wise.openapiclientutil
A thread-safe utility for obtaining Wise's OpenApiClient singleton.
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https://github.com/av/tools
Docker image for installing and running tools for LLM agents (MCP, OpenAPI, UVX, NPX, Python)
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https://github.com/mreiche/marketstack-openapi
Generated OpenAPI for Marketstack
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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/ivan-yuldashev/hono-quickstart
An opinionated, production-focused starter for Hono. This template provides an end-to-end type-safe stack, featuring a Modular Architecture, Context-Aware Transactions, Drizzle ORM, PostgreSQL, Zod, and automated OpenAPI documentation.
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https://github.com/harunrrayhan/todo-node-swagger-api
Node API service using OpenAPI (Swagger)
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https://github.com/apisyouwonthate/openapinotswagger.com
Next.js repo for openapinotswagger.com
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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/webitel/webitel-openapi-client-go
Webitel OpenAPI Client for Go
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https://github.com/xpdojo/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/ahilke/openapi-microservice-playground
A demo project to showcase and experiment with various OpenAPI technologies in a microservice environment.
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https://github.com/soenneker/soenneker.paypal.openapiclientutil
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https://github.com/bizrockman/modelcontextstandard
A minimal, protocol-agnostic standard to connect LLMs like drivers with external tools using existing APIs and formats like OpenAPI, HTTP, AS2, or CAN-Bus. No custom stacks. Just structured function calls.
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https://github.com/soenneker/soenneker.trulioo.httpclients
A thread-safe singleton HttpClient for Trulioo's OpenAPI integration.
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https://github.com/speakeasy-sdks/template-speakeasy-bar
A template for the Speakeasy Bar starter SDK.
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https://github.com/aydanrahimova/linkedinclone
This LinkedIn clone replicates key features of the professional networking platform, allowing users to manage profiles, create posts, comment, react, connect with others, follow organizations, and explore job opportunities. Advanced features include creating organizations and applying for jobs.
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https://github.com/esn8der/tour-of-heroes-api
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https://github.com/alexandrecpedro/todoapi
ToDo API
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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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https://github.com/rickyli79/egg-openapi-router
init `router` and connect `controller` by Openapi-doc. validate the request and response by Openapi-doc
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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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https://github.com/go-api-libs/notion
Go library for the notion.
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https://github.com/wacko1805/victorian-covid-stats
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WIP Example OpenAi Plugin support for ServiceStack
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Generate schema objects for Fastify from OpenAPI documents
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https://github.com/romanow/aggregator-by-tags
OpenAPI aggregator by Tags
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https://github.com/bindu-1805/list_items
This project lists items by making a request to JSON Placeholder using React.
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https://github.com/soenneker/soenneker.replicate.httpclients
A thread-safe singleton HttpClient for Replicate's OpenAPI integration.
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https://github.com/soenneker/soenneker.coinbase.openapiclients.cdp
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https://github.com/ramanks19/the-complete-spring-boot-development-bootcamp
Contains workbook and practice exercise of the Udemy course - The Complete Spring Boot Development Bootcamp (by Learn The Part Inc.)
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https://github.com/toliyansky/openapi-spring-generator-example
Example for dev.to article
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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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Last synced: 09 May 2026
https://github.com/soenneker/soenneker.plaid.openapiclientutil
A thread-safe utility for obtaining Plaid's OpenApiClient singleton.
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Last synced: 31 May 2026
https://github.com/soenneker/soenneker.zoho.openapiclient
A .NET client generated from the Zoho CRM OpenAPI schema, updated daily
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https://github.com/soenneker/soenneker.mailgun.openapiclient
A .NET client generated from the Mailgun OpenAPI schema, updated daily
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https://github.com/charconstpointer/ihateannotations
Example combining buf, Protobuf, gRPC, gRPC Gateway and OpenAPI
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https://github.com/fly-playgroud/go-postman
an go postman lib
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https://github.com/swooby/openai-openapi-kotlin
OpenAI OpenAPI Specification - Kotlin
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https://github.com/ideadapt/intellij-swagger-annotations
Intellij plugin providing editor features related to swagger and openapi annotations
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https://github.com/grparry/swaggertomcp
🔁 Convert Swagger/OpenAPI specs into Model Context Protocol (MCP) tool definitions for agentic AI compatibility.
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https://github.com/sookwalinga/ask_sam
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https://github.com/soenneker/soenneker.loops.clientutil
An async thread-safe singleton for Loops OpenApiClient
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https://github.com/ke4nec/swagger-ui-electron
Wrap Swagger UI with Electron
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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/bretterer/openapi-codegen
Extendable Swagger Code Generator for PHP
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https://github.com/libninjacom/petstore-go
Petstore client, generated from the OpenAPI spec
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https://github.com/libninjacom/bump-rs
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https://github.com/gibtang/agent-utils
One API key. Agent-native utilities for AI agents. File hosting, PII redaction, dead letter queues, and more.
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https://github.com/kadykov/mcp-openapi-schema-explorer
MCP server providing token-efficient access to OpenAPI/Swagger specs via MCP Resources for client-side exploration.
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https://github.com/mahabubx7/terry
Terry => Typescript + Express.js + Openapi-TS based boilerplate/custom-framework
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Last synced: 13 Apr 2026
https://github.com/astroway/astroway-python
Official Python SDK for the AstroWay API — sync + async clients, Pydantic models, type-safe, retry-aware, generated from OpenAPI 3.1. Natal charts, synastry, transits, Vedic, Tarot, Human Design, AI horoscopes. Python 3.10+, py.typed.
api astrology astroway async asyncio horoscope httpx human-design natal-chart numerology openapi py-typed pydantic python sdk swiss-ephemeris synastry tarot type-safe vedic-astrology
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https://github.com/openxapi/binance-py
Python client for Binance API
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https://github.com/darkmtrance/api-first
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https://github.com/takeruun/fastify-todo-app
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https://github.com/mmmylnikov/django-ninja-api-template
Flexible Django Ninja API template with PostgreSQL full-text search and gRPC integration examples.
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https://github.com/redte-ch/redistributeme
Impact of taxes and social benefits on disposable income
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https://github.com/jenderenco/inkifyai-doc-generator
AI-powered tool that generates comprehensive, human-readable documentation from OpenAPI/Swagger specifications using large language models.
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https://github.com/noppomario/openapispec-collector
Generate a unified static documentation site from OpenAPI specs across multiple GitHub repositories.
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https://github.com/marcosfshirafuchi/santander-dev-week-2024
RESTful API da Santander Dev Week 2024 construída em Java 21 com Spring Boot 3.
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https://github.com/soenneker/soenneker.twilio.openapiclient
A .NET client generated from the Twilio OpenAPI schema, updated daily
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Last synced: 09 May 2026
https://github.com/himenon/argo-rollouts-typescript-openapi
Generate TypeScript Code from Argo Rollouts OpenAPI Schema.
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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/johejo/go-github-rest-api
Auto Generated GitHub's v3 REST API Client for Go
Last synced: 14 Apr 2026
https://github.com/dcrichards/go-to-openapi
Convert Go structs to OpenAPI Schemas (Data Models)
Last synced: 11 Mar 2026
https://github.com/priyanshscpp/meetwise-app
MeetWise - Professional Video Meeting Platform - A modern, professional video conferencing application built with Next.js, featuring real-time video calls, meeting scheduling, and recording management.
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https://github.com/soenneker/soenneker.attributes.publicopenapiendpoint
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https://github.com/quickwrench/quickwrench-api
QuickWrench backend API written using Django ⚡
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Last synced: 13 Apr 2026
https://github.com/hoseungme/typed-express
Make express.js fully-typed and serve automatically generated OpenAPI Specification object
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https://github.com/kemalkochekov/effectivemobiletestproject
Effective Mobile company's Test Project
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https://github.com/soenneker/soenneker.loops.runners.openapiclient
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https://github.com/fibercrypto/libskycoin-ruby
Skycoin client libraries for the Ruby programming language
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https://github.com/satyam-seth/weather-backend-app
A Django REST Framework backend for accessing climate datasets from the UK MetOffice.
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https://github.com/kacperfaber/codziennemotto_pl_server
🎈 Spring API for CodzienneMotto.pl. Allows you to create a lists of daily quotes, invite users to join your list and schedule quote to specific day 🎈
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Core library for generating API collections from OpenAPI specifications.
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https://github.com/neelagarwal98/modular-equity-research-system
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