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/gren-95/bank-api
A robust banking API implementation that supports internal and external (B2B) transactions, following the specifications provided in SPECIFICATIONS.md.
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https://github.com/maxicorrea/application-dollar-backend
Web service to perform web scraping of the Dolar page today
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https://github.com/youka/api-snap
An application which collects API documents by kubernetes service discovery and displays them in a web interface.
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https://github.com/chibat/spring-openapi-starter
Spring Boot + OpenAPI Specification Starter
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https://github.com/wndhydrnt/openapi-go-server
Templates for the go-server generator of the OpenAPI Generator.
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https://github.com/iqhater/clean-arch-basic-example
Basic greeter API service example (clean arch)
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https://github.com/simplify-framework/converter
Convert from Serverless Framework's YAML definition to OpenAPI 3.0 specs that is compatible with Simplify Framework specs definition.
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https://github.com/orliluq/trivia
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Api .NET 8.0 com CRUD básico (ASP.NET CORE).
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https://github.com/fern-api/sdk-starter
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https://github.com/supermomonga/openapi_rails_typed_parameters
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Dead simple service for publishing notes via API. Markdown supported.
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Tools for parsing, formatting, validating, and programmatically enhancing OpenAPI specifications in Go.
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https://github.com/jhannes/openapi-workshop
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https://github.com/izubkov/oapi-cli
:zap: lightweight tool to manipulate OpenAPI specs
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https://github.com/droidbg/echoai
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https://github.com/ryan-gordon/galway-bus-openapi
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https://github.com/matsubara0507/sample-oapi-with-bazel
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https://github.com/vicjun22/calculadora-renda-fixa_spring-boot
O objetivo deste projeto é replicar, utilizando a linguagem JAVA, o cálculo do fator de DI, acumulado entre duas datas, realizado pela calculadora de renda fixa da B3.
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https://github.com/peter-mghendi/karata.webassembly
Online card game built on .NET, wasm and websockets.
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https://github.com/jumaevkova/openapi2postman
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https://github.com/santjosie/spac3
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https://github.com/harenafiantso/walletbyhei--prog3--legacy
Git repository contains a simple Java application developed to manage personal finances by implementing functionalities for accounts, transactions, and currencies.
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https://github.com/zeuz8/chatbotix-back-end
Building an interactive AI chatbot powered by the OpenAI API using React, designed to engage in natural conversations and provide intelligent responses.
Last synced: 13 May 2026
https://github.com/bump-sh-examples/rails-code-first
Add OpenAPI powered documentation to your Rails API with RSwag.
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https://github.com/corrreia/homelab-agent
One authenticated MCP endpoint fronting every service in your homelab — built on Cloudflare Code Mode.
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https://github.com/New1Direction/webmcp-anything
Turn any URL into agent-callable MCP tools. One spec-compliant MCP server endpoint, no per-site build.
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https://github.com/openapi/certifications-and-partnerships
🏅 A comprehensive public index of Openapi® certifications, recognitions, memberships, registrations, patents, and certified partners — providing transparent access to the credentials, industry affiliations, and ecosystem that power the @openapi® API marketplace
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https://github.com/matija2209/payload-plugin-api-guide
Generate a live API reference and agent-first query guide for your Payload CMS project
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https://github.com/pagarciasima/e-commerce-spring-boot-02-25
E-commerce application backend repository (Spring boot)
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https://github.com/mskims/dcoin-api
💵 Digitech coin, called dcoin is an open-api that aims to secure the confidential transactions made in SDHS.
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https://github.com/arthur-s/docfinder
Fetch documentation for single endpoint from openapi file
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https://github.com/jackd248/ddev-openapi-mock
🔌 Provides a fake OpenAPI interface for local developing & testing.
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https://github.com/xehrad/goge
goge creates API handlers and OpenAPI specs from annotated Go functions.
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https://github.com/nerkoman/agent-kanban
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https://github.com/dev-ik/specdock
Local-first OpenAPI workspace to import specs, test requests, and generate SDKs
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https://github.com/expediagroup/spec-transformer
The API Spec Transformer Library
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https://github.com/13rac1/openapi-wled
OpenAPI 3.0 Schema for the WLED API
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https://github.com/gcatanese/openapi-postman
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Generate mock responses based on your OpenAPI specification. No dependencies. Lightweight, fast, simple.
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https://github.com/minuth/docura
A modern, customizable documentation viewer for OpenAPI/Swagger
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Last synced: 18 May 2026
https://github.com/sjefvanleeuwen/openxml-document-generator
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https://github.com/binarybirds/swift-plugins
Plugins for Swift
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https://github.com/academe/starling-payments-api-sdk
An SDK providing operations for the Starling Bank Payments API, using code generated from the OpenAPI 3.0 description
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https://github.com/soenneker/soenneker.mistral.httpclients
A thread-safe singleton HttpClient for Mistral's OpenAPI integration.
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https://github.com/lts-beratung/json-to-openapi
A small cli application to convert json schemas to openapi schemas
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https://github.com/vahidn/openapiswaggerdoc
This is a sample project to show how to use the OpenAPI Swagger in .NET apps
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https://github.com/amir-zouerami/schematica-api
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https://github.com/dunnl/nena-openapi-docs
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https://github.com/tryagi/heygen
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https://github.com/linx-software/postman_to_production
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https://github.com/laviprog/pastes
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https://github.com/dhutchison/openapivisualiser
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https://github.com/fabsrc/oasis
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https://github.com/kishornaik/sol_swagger_openapi_client
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https://github.com/charlzyx/tapi
tApi: Define APIs with the power of TypeScript
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https://github.com/mitranim/oas
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https://github.com/juaaloval/PostmanAssertify
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https://github.com/antst/go-apispec
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https://github.com/farhadrezvani/http-generator
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https://github.com/fibercrypto/libkotlin-skycoin
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