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/amandeepkaur1804/weather
This web app fetches and displays real-time weather data for any city using the OpenWeatherMap API with a dynamic UI.
css3 html5 openapi weather-api weather-app weather-forecast
Last synced: 24 Apr 2026
https://github.com/tonystrawberry/playground.openapi.generator
🚀 Demo project with OpenAPI Generator & Typescript
Last synced: 25 Apr 2026
https://github.com/voznov/zod-dto
Zod to DTO classes for TypeScript & NestJS & OpenAPI
dto json-schema nestjs nestjs-zod openapi swagger typescript validation zod zod-dto
Last synced: 06 Jun 2026
https://github.com/huksley/swagger-explorer
Run Swagger UI locally against a folder of OpenAPI or Swagger specifications
Last synced: 26 Apr 2026
https://github.com/soenneker/soenneker.firecrawl.httpclients
A thread-safe singleton HttpClient for Firecrawl's OpenAPI integration.
api csharp dotnet firecrawl firecrawlopenapihttpclient httpclient httpclients openapi singleton
Last synced: 07 Jun 2026
https://github.com/ricardozanini/openapi-codegen-poc
Proof Of Concept of OpenAPI Generator Embedded Codegen with Serverless Workflow SDK
Last synced: 28 Apr 2026
https://github.com/mpreu/husqvarna-api-clients
Autogenerated API clients for Husqvarna APIs.
husqvarna-automower lua openapi
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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/nakasar/serverless-api-doc-generator
Generate Documentation API from serverless.yml and JS docstrings.
api documentation-generator openapi serverless
Last synced: 28 Apr 2026
https://github.com/soenneker/soenneker.composio.openapiclientutil
A thread-safe utility for obtaining Composio's OpenApiClient singleton.
client composio composioopenapiclientutil csharp dotnet kiota openapi openapiclientutil singleton util
Last synced: 06 Jun 2026
https://github.com/alexandramartinez/todo-app-mule-curietechai
Everything discussed in the 'From Zero to API with MuleSoft, CurieTech AI & Anypoint Code Builder' playlist.
ai api api-spec api-specification curietechai mule mule-app mule4 mulesoft mysql mysql-database oas oas3 openapi openapi-spec openapi-specification openapi3
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https://github.com/mike-brady/flask-apispec-tools
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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/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/toshiemon18/schemar
Design and generate OpenAPI schema with Ruby models
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https://github.com/apisyouwonthate/openapinotswagger.com
Next.js repo for openapinotswagger.com
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https://github.com/planet-a-ventures/affinity-client-python
API client for Affinity (www.affinity.co)
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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/straylittlepunk/deepl
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Generate Spring AI functions from OpenAPI spec
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https://github.com/daimaou92/gate
Build REST APIs in Golang
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https://github.com/mlafeldt/go-launchdarkly
Go client library for the LaunchDarkly REST API
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https://github.com/xpdojo/api
An open API (often referred to as a public API) is a publicly available application programming interface that provides developers with programmatic access to a proprietary software application or web service.
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https://github.com/edavis25/crypto_history_api
API for retrieving personally scraped historic crypto price data from various exchanges.
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https://github.com/majid-l/swagger-ui-docs
Swagger UI constructed using an OpenAPI Specification document containing the definition for an e-commerce RESTful API service that I've created.
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https://github.com/soenneker/soenneker.asana.httpclients
A thread-safe singleton HttpClient for Asana's OpenAPI integration.
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https://github.com/soenneker/soenneker.calendly.httpclients
A thread-safe singleton HttpClient for Calendly's OpenAPI integration.
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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/colorfulcompany/node-indeed-job-campaign-api-client
Indeed Job Campaign API Client with automatically OAuth Token refreshing
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https://github.com/soenneker/soenneker.netlify.httpclients
A thread-safe singleton HttpClient for Netlify's OpenAPI integration.
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Last synced: 17 Jun 2026
https://github.com/soenneker/soenneker.fastly.httpclients
A thread-safe singleton HttpClient for Fastly's OpenAPI integration.
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Last synced: 04 Jul 2026
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A thread-safe utility for obtaining Box's OpenApiClient singleton.
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A thread-safe singleton HttpClient for Unified's OpenAPI integration.
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https://github.com/borolgs/axum-examples
Examples of using the Axum web framework
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With OpenApi, RestTemplate and request logging
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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/hyesungoh/cultural_heritage_administration_api
ë¬¸í™”ěž¬ě˛ open api 사용 with Python
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https://github.com/robsonlmds/java-screenmatch
Este projeto é uma aplicação Java que utiliza uma API para buscar informações sobre séries de TV e seus episódios, permitindo que os dados sejam armazenados e listados através de um repositório.
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https://github.com/k5ki/oapigen-poc
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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/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/astron-collection/astron-mail
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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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Public report about OpenAPI generator template customization
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Last synced: 06 May 2026
https://github.com/lloydmeta/elastic-cloud-agent
Elastic Cloud AI agent
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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/soenneker/soenneker.intercom.openapiclient
A .NET client generated from the Intercom OpenAPI schema, updated daily
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Last synced: 07 May 2026
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.
api api-client api-library freepublicapis freepublicapis-api go golang integration openapi openapi3
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https://github.com/davidogalo/appointmentscheduler
healthcare appointment scheduling system designed to streamline patient-doctor interactions and medical record management.
async-processing domain-driven-design error-handling fastapi integration-testing jwt-authentication openapi postgresql-database pydantic-models redis-cache request-validation restful-api role-based-access-control sqlalchemy transaction-management unit-testing
Last synced: 08 May 2026
https://github.com/bindu-1805/list_items
This project lists items by making a request to JSON Placeholder using React.
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Last synced: 08 May 2026
https://github.com/humbertodias/mn-kotlin-openapi-helloworld
Openapi through micronaut with kotlin
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https://github.com/andrecaiado/spring-boot-openapi
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/jobicy
Go library for the Remote Jobs API/RSS Feed. Discover and integrate a diverse range of remote job listings with Jobicy's public API. This API offers the latest remote job opportunities across various industries and regions, making it a valuable resource for developers and businesses looking to enhance their job feed platforms.
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https://github.com/mrtaz77/pantrypal
PantryPal is a pantry management app to keep track of pantry items by add, remove or update quantities using Next.js, MaterialUI and Firebase
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https://github.com/tryagi/runway
C# SDK based on Runway OpenAPI specification
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https://github.com/toliyansky/openapi-spring-generator-example
Example for dev.to article
Last synced: 09 May 2026
https://github.com/thalida/openapi-docs-viewer
Display interactive OpenAPI schema documentation in VSCode
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Last synced: 09 May 2026
https://github.com/soenneker/soenneker.openaq.openapiclient
A .NET client generated from the OpenAQ OpenAPI schema, updated daily
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Last synced: 09 May 2026
https://github.com/soenneker/soenneker.productboard.openapiclientutil
A thread-safe utility for obtaining ProductBoard's OpenApiClient singleton.
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Last synced: 01 Jun 2026
https://github.com/soenneker/soenneker.nws.openapiclientutil
A thread-safe utility for obtaining Nws's OpenApiClient singleton.
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Last synced: 14 May 2026
https://github.com/soenneker/soenneker.openai.openapiclient
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Last synced: 09 May 2026
https://github.com/charconstpointer/ihateannotations
Example combining buf, Protobuf, gRPC, gRPC Gateway and OpenAPI
buf grpc grpc-gateway grpc-go grpc-server openapi swagger
Last synced: 09 May 2026
https://github.com/ideadapt/intellij-swagger-annotations
Intellij plugin providing editor features related to swagger and openapi annotations
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Last synced: 10 May 2026
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.
api api-client api-library go golang integration job job-search job-search-website jobs jobsearch openapi openapi3 remote-ok-jobs remote-ok-jobs-api remoteokjobs
Last synced: 11 May 2026
https://github.com/opensourceways/cora
Command collection for all kinds of Services in Open Source Community
Last synced: 11 May 2026
https://github.com/soenneker/soenneker.algolia.openapiclientutil
A thread-safe utility for obtaining Algolia's OpenApiClient singleton.
algolia algoliaopenapiclientutil api client csharp dotnet kiota openapi openapiclientutil singleton util
Last synced: 11 May 2026
https://github.com/soenneker/soenneker.openapi.merger
A utility library to merge OpenApi specs
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Last synced: 13 May 2026
https://github.com/bretterer/openapi-codegen
Extendable Swagger Code Generator for PHP
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https://github.com/greyorange-labs/rebar3_openapi
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Last synced: 13 May 2026
https://github.com/libninjacom/petstore-go
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Last synced: 14 May 2026
https://github.com/foncki/time-complexity-calculator
This Chrome extension allows you to easily calculate the time complexity of a function. This tool is useful for software developers looking to optimize their code and improve its performance. With this extension, you can quickly and easily determine the efficiency of your functions and make informed decisions about how to optimize them.
chrome-extension html openapi vanilla-javascript
Last synced: 14 May 2026
https://github.com/n8n-code/n8n-nodes-odoo-v17
Odoo v17 is an all-in-one open-source ERP for managing all aspects of business in a single platform
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Last synced: 14 Jun 2026
https://github.com/n8n-code/n8n-nodes-ondo-finance
Ondo Finance institutional-grade tokenized real-world assets platform bridging traditional finance and DeFi protocols
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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.
ai-engineering claude-code claude-code-plugin delivery governance openapi subagents superpowers tdd tob
Last synced: 15 Jun 2026
https://github.com/burin-labs/harn-openapi
Pure-Harn OpenAPI 3.1 parser and SDK codegen helpers
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https://github.com/h0rv/zchema
Typed, validated JSON APIs and OpenAPI 3.1 for Zig's std.http.Server
api http json jsonschema openapi zig zig-package
Last synced: 16 Jun 2026
https://github.com/soenneker/soenneker.n8n.httpclients
A thread-safe singleton HttpClient for N8n's OpenAPI integration.
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Last synced: 04 Jul 2026
https://github.com/monkeyscloud/monkeyslegion-openapi
Automatic OpenAPI 3.1 specification generator and documentation middleware for the MonkeysLegion framework.
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https://github.com/opastorello/unifi-api-docs
Espelho automatico e versionado da documentacao oficial da API UniFi (Site Manager, Network, Protect, Mobility) - OpenAPI + Markdown, atualizado diariamente por CI
api api-docs api-documentation cloud-connector mcp openapi rest-api site-manager ubiquiti unifi unifi-network unifi-protect
Last synced: 19 Jun 2026
https://github.com/jathanism/okapi
OpenAPI 3.x client and CLI generator for Go
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https://github.com/hurricanemark/aspnetwebapi
aspnet core webapi & openapi swaggerui
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https://github.com/rifleh700/radio-browser-json-openapi
The OpenAPI declaration of RadioBrowser JSON API
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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/osisdie/dotnet-webapi-cqrs-boilerplate
Production-ready .NET WebAPI framework (CoreFX) with MediatR (CQRS), FluentValidation, JWT auth, OpenAPI/Swagger, email notifications (MailKit), Docker multi-stage build, and xUnit testing. Multi-targets net8.0 + net10.0.
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https://github.com/soenneker/soenneker.make.openapiclient
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https://github.com/subzeroid/hikerapi-mcp
MCP server for HikerAPI — 105+ Instagram API tools auto-generated from the OpenAPI spec. Use from Claude Code, Claude Desktop, Cursor, OpenAI Codex, Zed, Windsurf.
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https://github.com/soenneker/soenneker.bunny.openapiclientutil
A thread-safe utility for obtaining Bunny's OpenApiClient singleton.
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https://github.com/davidmosiah/delx-agent-utilities
Open-source stateless utility tools for AI agents: URL, DNS, TLS, OpenAPI, x402, JWT, CSV/JSON, cron, and composite reports.
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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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Last synced: 27 Jun 2026
https://github.com/n8n-code/n8n-nodes-0x-cross-chain
Cross-chain API bridging assets across EVM, Solana, Tron, HyperCore with real-time quotes and status tracking.
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Last synced: 14 Jun 2026