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/lovasoa/jsonjoy-builder
Visual JSON Schema editor for creating and manipulating JSON Schema definitions with an intuitive interface.
api json jsonschema jsonschema-generator jsonschema-validator openapi ui
Last synced: 29 Oct 2025
https://github.com/sebastianromero/bsale-openapi
Especificación OpenAPI de la API de Bsale
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Last synced: 05 May 2025
https://github.com/lagden-development/api.lagden.dev
The Lagden Development API. This project is currently in beta as will be improved going forward.
api fastapi mongodb openapi python redoc swagger-ui
Last synced: 08 Apr 2026
https://github.com/patricksferraz/time-record-service
A modern time record management service built with Go, featuring gRPC/REST APIs, event-driven architecture with Kafka, and comprehensive monitoring using Elastic APM. Perfect for HR systems and time tracking applications.
api-gateway clean-architecture distributed-systems docker elastic-apm event-driven go golang grpc hr-system kafka kubernetes microservices monitoring observability openapi postgresql rest-api swagger time-tracking
Last synced: 08 Apr 2026
https://github.com/t-huyeng/thw-pegel-api
inoffizielle OpenAPI der API des Mobilen-Pegels (THW)
Last synced: 17 Jun 2025
https://github.com/trovster/docs.api.trovster.com
The documentation for the API on trovster.com. This is auto-generated using an Open API Spec.
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https://github.com/deephaven/openapi-messaging
Uses OpenAPI to monitor PQs and send emails on failure
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https://github.com/fmarmol/openapigen
openapi yaml generation directly from golang
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https://github.com/apskhem/linz
A web framework with first-class OpenAPI documentation support.
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https://github.com/soferai/soferai-openapi
OpenAPI specification for the Sofer.Ai API
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https://github.com/norwegian-geotechnical-institute/field-manager-python-client
The Field Manager (FM) Python client is a library designed to provide developers with programmatic access to the Field Manager API.
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https://github.com/leadpingai/leadping-php
Official PHP SDK for the Leadping API.
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https://github.com/leadpingai/leadping-java
Official Java SDK for the Leadping API.
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https://github.com/willmeyers/stainless-cli
A work-in-progress command-line utility for interacting with Stainless. This project is in no way affiliated with or supported by Stainless.
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https://github.com/leadpingai/leadping-typescript
Official TypeScript SDK for the Leadping API.
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https://github.com/mrxz/javalin-openapi-apt
Annotation processing to generate OpenAPI specification from source code using Javalin
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https://github.com/huakunshen/jsr-client
OpenAPI client for jsr API in 3 flavors
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https://github.com/leadpingai/leadping-go
Official Go SDK for the Leadping API.
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https://github.com/meetup/sbt-openapi
Plugin for generating managed code from OpenAPI specifications
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https://github.com/chara-x/rest
Generate openapi client and docs from proc-macro
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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.
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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/libninjacom/twilio-rs
Twilio client, generated from the OpenAPI spec, with love from the team at Libninja
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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/omani/nkn-wallet
A next generation NKN wallet with built-in age encryption and NKN OpenAPI support.
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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/libninjacom/twilio-sendgrid-v-3-rs
twilio sendgrid v3 client, generated from the OpenAPI spec
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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/makefile-inc/openapi
Makefiles includes for generations client and servers and convertions openapi specs
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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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https://github.com/xutyxd/photron
A server to manage resources splitting into chunks for parallel download
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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/fibercrypto/libskycoin-android
Native Android library for Skycoin API
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https://github.com/noi-techpark/opendatahub-swaggerui
Generic Swagger Instance for all Open Data Hub APIs
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https://github.com/entur/abt-bob-openapi
OpenAPI artifacts for the BoB standard
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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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https://github.com/brokenprogrammer/mswg-gen
Custom OpenAPI generator that is used to generate swagger documentation using comments.
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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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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/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.
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Last synced: 15 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/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/alexdemure/fastoas
Customize and override OpenAPI schema details in FastAPI with ease
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Last synced: 27 Mar 2025
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/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/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/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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Last synced: 07 Nov 2025
https://github.com/alexandrelamberty/hortus-api-spec
:seedling: Gardening Planner API Specification.
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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/astoria-gouv/interieur-website
javascript nodemon openapi talwdincss typescript vite yarn
Last synced: 09 Apr 2026
https://github.com/go-giteria/giteria
Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD
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https://github.com/lost22git/test-quarkus
btree-gist cors flyway hibernate mapstruct micrometer openapi postgresql prometheus quarkus
Last synced: 20 Apr 2026
https://github.com/marcin-brzozowski/openapi-examples
CLI application for generating OpenAPI examples
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Last synced: 02 Feb 2026
https://github.com/tpdlshdmlrkfmcla/covid-19_openapi
보건복지부_코로나19 감염현황 총괄 통계 OpenAPI를 활용한 플러터 앱 프로젝트
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Last synced: 29 Apr 2026
https://github.com/usings/openapi-shape
Generate TypeScript API contract types from OpenAPI 3.x JSON.
Last synced: 23 May 2026
https://github.com/libninjacom/dhl-rs
Dhl client, generated from the OpenAPI spec
Last synced: 20 May 2026
https://github.com/kevinoid/appveyor-swagger-java
AppVeyor REST API Client (from Swagger, in Java)
java openapi openapi-client swagger swagger-client swagger-codegen
Last synced: 21 Apr 2026
https://github.com/soenneker/soenneker.swashbuckle.intellenumschemafilter
A Swashbuckle Schema filter for Intellenum
csharp dotnet filter intellenum intellenumschemafilter openapi schema swagger swashbuckle util
Last synced: 02 Jun 2026
https://github.com/mohamed255255/mini-order-tracker
Demo app to create and track orders and payments with SOAP / REST endpoints
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Last synced: 15 May 2026
https://github.com/rebecaborges/tsc-base-api
Typescript base api using OpenApi specification rules
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Last synced: 06 Apr 2026
https://github.com/karurochori/base-blockchain
Barebone blockchain node defined by OpenAPI specs with simulation support.
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Last synced: 15 May 2026
https://github.com/sajith4u/gazettequery
RAG based application for analyzing Sri Lankan government gazette files
Last synced: 07 May 2026
https://github.com/libninjacom/recurly-rs
Recurly client, generated from the OpenAPI spec
Last synced: 15 May 2026
https://github.com/alexandrelamberty/macellum-api-spec
:shopping_cart: Grocery Management System API Specification.
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Last synced: 01 Aug 2025
https://github.com/badsyntax/gatsby-openapi
A mono-repo with a set a gatsby plugins that can be used to build API docs from an OpenAPI specification.
Last synced: 09 May 2026
https://github.com/lucasvmarangoni/tasklist
Rest API for task list application, developed with Express, Typescript and Prisma, applying TDD and principles of DDD
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Last synced: 09 Apr 2026
https://github.com/sergey-prudentdev/siteinformant-openapi
Official OpenAPI specification for the Site Informant public JSON API — website uptime, response-time, and SSL monitoring data for developers and AI integrations.
ai-integrations api openapi siteinformant ssl-monitoring swagger uptime-monitoring
Last synced: 30 Jun 2026
https://github.com/ningenme/mami-interface
趣味開発 all-interface (product name: mami)
golang grpc grpc-web openapi protobuf typescript
Last synced: 09 Apr 2026
https://github.com/go-api-libs/ipify
Go library for the ipify API. A simple public IP address API, easy to integrate into any application in seconds.
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Last synced: 16 May 2026
https://github.com/davutbayik/auto-advisor-ai
AutoAdvisor is an AI-powered business strategy assistant that validates user-submitted business ideas, generates strategic reports using multi-agent reasoning, and delivers actionable insights including a SWOT analysis.
agentic-ai ai ai-agents ai-agents-framework crewai langchain langchain-python llm llms multi-agent multi-agent-systems openai openapi prompt-engineering python serperapi streamlit streamlit-webapp swot-analysis web-search
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https://github.com/bas-kirill/muse-project
[Muse Group] Frontend Academy
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Last synced: 01 Aug 2025
https://github.com/excalibase/excalibase-rest
Auto-generates REST APIs from your database with Spring Boot. It supports CRUD, filtering, relationship expansion, batch ops, and OpenAPI docs — no boilerplate required.
api-generation auto-generated-api crud-operations database-api database-to-api filtering java low-code lowcode maven openapi postgresql relationship-expansion rest-api schema-discovery spring-boot swagger
Last synced: 09 Apr 2026
https://github.com/drakkar-software/pennylane-openapi-clients
Pennylane api client. Only typescript for now
Last synced: 08 Feb 2026
https://github.com/simon-gardier/inventory-flutter-dotnet-app
MyVentory is an app/website built in Flutter with a backend written in Dotnet, hosted on Openshift and developped with modern CI/CD standards
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Last synced: 06 Apr 2026
https://github.com/liamvnastoria/anime-sama
The Anime-Sama Renew Interface Project
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Last synced: 09 Apr 2026
https://github.com/gopireddy99/receipe_finder
🔍 Recipe Finder is a smart web application that helps users discover delicious recipes by simply entering the ingredients they have. Built with TypeScript, Tailwind CSS, and Python, it offers an intuitive interface and intelligent recipe suggestions based on user input.
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Last synced: 11 May 2026
https://github.com/awtkns/openapi-perf-action
Github App and Action Allowing for CI/CD of OpenApi-Perf in Github
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Last synced: 16 Feb 2026
https://github.com/grab/grabfood-api-sdk-go
Go API client for GrabFood
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Last synced: 25 Sep 2025
https://github.com/jjanisheck/botvisibility
When AI agents browse a site that doesn't publish machine-readable metadata or APIs, they fall back to scraping HTML, guessing endpoints, and retrying. That burns 5-100x more tokens per session and silently inflates the cost of every agent interaction. BotVisibility runs 55 automated checks across 5 levels.
agent-card agent-readiness agentic ai-agents audit cli llm llm-tools llms-txt mcp openapi scanner well-known
Last synced: 11 Jun 2026
https://github.com/stevepartridge/service
A Go service package to serve grpc, grpc-gateway, and additional http handlers on a single port
go grpc grpc-gateway http http-server openapi swagger
Last synced: 17 Jan 2026
https://github.com/arkanatelecom/arkana-sso
Arkana SSO system.
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Last synced: 09 Apr 2026
