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An open API service indexing awesome lists of open source software.

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.

https://github.com/n8n-code/n8n-nodes-azure-security-devicesecuritygroups

Azure Security Center API specification for Microsoft.Security resource provider.

api automation azure-security-devicesecuritygroups n8n n8n-community-node n8n-node openapi swagger workflow

Last synced: 30 Jun 2026

https://github.com/n8n-code/n8n-nodes-epa-gov-sdw

ECHO: EPA's public tool for integrated compliance and enforcement data.

api automation epa-gov-sdw n8n n8n-community-node n8n-node openapi swagger workflow

Last synced: 30 Jun 2026

https://github.com/soenneker/soenneker.composio.openapiclient

A .NET client generated from the Composio OpenAPI schema, updated daily

client composio composioopenapiclient csharp dotnet kiota openapi openapiclient

Last synced: 26 May 2026

https://github.com/n8n-code/n8n-nodes-azure-sql-replicationlinks

Manages Azure SQL Database replication link read, delete, and failover operations.

api automation azure-sql-replicationlinks n8n n8n-community-node n8n-node openapi swagger workflow

Last synced: 30 Jun 2026

https://github.com/rudradcruze/currencyconverter

Simple Spring Boot Application Where I Called Third Party API To Convert The One Currency To Another Currency And Also Log Those And Use Actuator And Swagger UI

actuator java logger logging openapi restclient springboot swagger

Last synced: 04 Jan 2026

https://github.com/techbeansaus/smartinsure-crm

A Simple CRM solution for an insurance broker to keep track of customers, policies and tasks. Built using MERN stack. Utilising monorepo for packaging frontend and backend.

express mongodb nodejs openapi react swagger tailwindcss turborepo

Last synced: 11 Apr 2026

https://github.com/guruakaashjn/thinkbridge_test

Think Bridge Test Guru Akaash Nagaraj Janthalur

csharp css html javascript openapi sqlite

Last synced: 11 Apr 2026

https://github.com/n8n-code/n8n-nodes-azure-sql-advisors

Azure SQL Database RESTful API manages databases via CRUD operations.

api automation azure-sql-advisors n8n n8n-community-node n8n-node openapi swagger workflow

Last synced: 30 Jun 2026

https://github.com/scottgriv/swagger-openapi-user_management_demo

This demo project showcases the implementation of a User Management API documented with Swagger UI and defined using the OpenAPI Specification (OAS)

api oas open-api openapi swagger

Last synced: 04 Jan 2026

https://github.com/belgif/openapi-organization-identifier

OpenAPI data types for organization identifiers

openapi rest standard

Last synced: 04 Mar 2025

https://github.com/n8n-code/n8n-nodes-azure-servicebus-servicebus-preview

Azure Service Bus client for Namespace, IPFilter, VirtualNetwork, and Zone Redundancy management.

api automation azure-servicebus-servicebus-preview n8n n8n-community-node n8n-node openapi swagger workflow

Last synced: 30 Jun 2026

https://github.com/sosokker/go-chi-oapi-codegen-todolist

Go-Nextjs todolist application with chi server oapi-codegen as handlers template + sqlc for type-safe code from SQL

go golang openapi openapi-codegen rest-api

Last synced: 04 May 2026

https://github.com/rubenoalvarado/nestjs-drizzle-template

Project template to work with Drizzle in a NestJs project. It uses config module, throttler for rate limit and a custom drizzle module.

api-rest drizzle-kit drizzle-orm nestjs nestjs-backend nestjs-boilerplate nestjs-starter-template openapi postgresql restful-api swagger-ui

Last synced: 04 May 2026

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.

api java maven-plugin openapi spring-boot

Last synced: 04 May 2026

https://github.com/libninjacom/postman-go

Postman client, generated from the OpenAPI spec

golang openapi postman

Last synced: 04 May 2026

https://github.com/soenneker/soenneker.openhands.httpclients

A thread-safe singleton HttpClient for OpenHands's OpenAPI integration.

ai api csharp dotnet httpclient httpclients openapi openapiclient openhands openhandsopenapihttpclient singleton

Last synced: 09 Jun 2026

https://github.com/swimmwatch/openapi-compare-version

A GitHub Action for comparing OpenAPI specifications version.

github-actions openapi openapi-specification

Last synced: 05 May 2026

https://github.com/scrntprcrz/openapi-sankeylizer

Visualize your OpenAPI specs as Sankey diagrams. Upload, explore request/response flows, and export as PNG.

api-visualization google-charts openapi react sankey-diagram swagger web-worker

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.

java openapi spring-boot swagger-ui

Last synced: 05 May 2026

https://github.com/serafin-labs/open-api

Open Api 3 typescript types definition

json-schema openapi typescript typing

Last synced: 05 May 2026

https://github.com/ferror/openapi-coverage

Symfony Command that calculates Open API documentation coverage

openapi php symfony

Last synced: 05 May 2026

https://github.com/romanow/openapi-generation

Public report about OpenAPI generator template customization

openapi openapi-codegen openapi-generator spring-boot

Last synced: 06 May 2026

https://github.com/skibidi-crypto/quarkus-openapi-problem

Standardized error responses for Quarkus REST APIs using Problem Details (RFC9457)

error exception jackson jakarta-rest jaxrs json openapi problem quarkus-extension resteasy rfc9457

Last synced: 06 May 2026

https://github.com/soenneker/soenneker.intercom.openapiclient

A .NET client generated from the Intercom OpenAPI schema, updated daily

api client csharp dotnet intercom intercomopenapiclient kiota openapi openapiclient

Last synced: 07 May 2026

https://github.com/layoric/exampleopenaiplugin

WIP Example OpenAi Plugin support for ServiceStack

openai openapi servicestack servicestack-plugin

Last synced: 07 May 2026

https://github.com/ztrehagem/openapi-to-fastify-schema

Generate schema objects for Fastify from OpenAPI documents

fastify fastify-library openapi openapi-codegen schema-first

Last synced: 07 May 2026

https://github.com/what3words/what3words-api-docs

Host public Openapi spec and llms files for the what3words Public API

llms llmstxt openapi postman-collection what3words what3words-api

Last synced: 10 Jun 2026

https://github.com/debitoor/express-openapi

Express Open API

debitoor express openapi

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.

json openapi reactjs vercel-deployment

Last synced: 08 May 2026

https://github.com/zejnilovic/gh-openapi-preview

A Chrome extension that adds an OpenAPI Preview tab to GitHub’s file view for OpenAPI specs

chrome-extension github openapi

Last synced: 08 May 2026

https://github.com/aditeyas/grow-your-x

A bot that automatically tweets (posts) on Twitter (X).

chatgpt chatgpt-bot flask openapi python python-bot twitter twitter-api twitter-bot

Last synced: 08 May 2026

https://github.com/soenneker/soenneker.replicate.httpclients

A thread-safe singleton HttpClient for Replicate's OpenAPI integration.

csharp dotnet generated httpclient httpclients openapi replicate replicateopenapihttpclient singleton

Last synced: 10 Jun 2026

https://github.com/marioruiz/api-testing-example

Example using RSpec and nice_http to test REST APIs. (Uber API and Reqres API)

openapi openapi3 rspec ruby swagger test testing

Last synced: 08 May 2026

https://github.com/ntrv3390/pdfninja

Say hii to your pdf with pdfNinja

ai nextjs openapi

Last synced: 08 May 2026

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.

api api-client api-library go golang integration job-search job-search-website jobicy jobicy-api jobs jobsearch openapi openapi3

Last synced: 08 May 2026

https://github.com/tpdlshdmlrkfmcla/sparta_coding

[국비교육] 스파르타코딩클럽 안드로이드 앱 개발자 과정 주차별 학습 정리

android coroutines kotlin mvvm openapi retrofit

Last synced: 09 May 2026

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.)

java mockito open openapi spring-boot spring-security swagger thymeleaf

Last synced: 09 May 2026

https://github.com/mermade/api-registry

Own-label API registry which powers APIs.guru

api apiblueprint apis openapi postman postman-collection raml registry repository

Last synced: 09 May 2026

https://github.com/toliyansky/openapi-spring-generator-example

Example for dev.to article

java openapi spring

Last synced: 09 May 2026

https://github.com/abdallahsaber065/openapi-tester-frontend

A clean, user-friendly frontend application for testing any OpenAPI-compliant API dynamically. This tool loads your API specification from OpenAPI JSON files or URLs and provides an intuitive interface for testing all endpoints without needing external tools like Postman.

api api-testing fastapi openapi rest-api restful-api test

Last synced: 09 May 2026

https://github.com/thalida/openapi-docs-viewer

Display interactive OpenAPI schema documentation in VSCode

documentation openapi vscode vscode-extension

Last synced: 09 May 2026

https://github.com/soenneker/soenneker.cohere.openapiclient

A .NET client generated from the Cohere AI OpenAPI schema, updated daily

ai api client cohere cohereopenapiclient csharp dotnet kiota openapi openapiclient

Last synced: 09 May 2026

https://github.com/axel7083/electron-vite-react-openapi-generator

electron template using openapi-generator for IPCs communication

electron ipc openapi openapi-generator typescript

Last synced: 09 May 2026

https://github.com/soenneker/soenneker.stripe.openapiclient

A Stripe .NET client generated from their OpenAPI schema, updated daily

client csharp dotnet openapi openapiclient stripe stripeopenapiclient

Last synced: 02 Jun 2026

https://github.com/soenneker/soenneker.rebrickable.openapiclient

A Rebrickable .NET client generated from the Rebrickable OpenAPI schema, updated daily

csharp dotnet kiota openapi openapiclient rebrickable rebrickableopenapiclient

Last synced: 15 May 2026

https://github.com/soenneker/soenneker.openai.openapiclient

A .NET client generated from the OpenAI OpenAPI schema, updated daily

api client csharp dotnet kiota openai openaiopenapiclient openapi openapiclient

Last synced: 09 May 2026

https://github.com/ankitboghra/openapi-watchgod-merger

Merge OpenAPI and Watchgod responses to track latest status of a deposit/withdraw transaction on Ethereum Chain and Polygon Chain.

ethereum openapi polygon watchgod web3

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/pccomponentes/documentation-bundle

The documentation bundle manages the required routes and templates in order to show documentation both in OpenApi and AsyncApi formats.

asyncapi openapi symfony-bundle

Last synced: 09 May 2026

https://github.com/flkt-crnpio/fastapi-sandbox

Pruebas para crear la documentacion de una API bajo los protocolos de OpenAPI utilizando el framework de FastAPI

fastapi openapi python python3

Last synced: 10 May 2026

https://github.com/jaqx0r/rules_oapi_codegen

Bazel rules for generating API service handlers with `oapi-codegen`.

bazel oapi-codegen openapi rules yaml

Last synced: 10 May 2026

https://github.com/ideadapt/intellij-swagger-annotations

Intellij plugin providing editor features related to swagger and openapi annotations

intellij intellij-plugin openapi openapi3 swagger swagger2

Last synced: 10 May 2026

https://github.com/grparry/swaggertomcp

🔁 Convert Swagger/OpenAPI specs into Model Context Protocol (MCP) tool definitions for agentic AI compatibility.

agentic-ai api-discovery cli-tool developer-tools llm mcp model-context-protocol openapi swagger tool-registry

Last synced: 11 May 2026

https://github.com/gopad/gopad-python

Gopad: SDK for Python

etherpad gopad openapi python sdk

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

csharp dotnet fixing merge merger openapi openapimerger util

Last synced: 13 May 2026

https://github.com/soenneker/soenneker.posthog.openapiclientutil

A thread-safe utility for obtaining PostHog's OpenApiClient singleton.

api client csharp dotnet kiota openapi openapiclientutil posthog posthogopenapiclientutil singleton util

Last synced: 16 May 2026

https://github.com/soenneker/soenneker.x.clientutil

An async thread-safe singleton for X OpenApiClient

clientutil csharp dotnet httpclient openapi singleton twitter util x xclientutil

Last synced: 11 Jun 2026

https://github.com/libninjacom/mangadex-rs

mangadex client, generated from the OpenAPI spec

mangadex openapi rust

Last synced: 13 May 2026

https://github.com/greyorange-labs/rebar3_openapi

Rebar3 plugin for bidirectional OpenAPI and Erlang/Cowboy code generation

api code-generation cowboy erlang openapi rebar3 rebar3-plugin

Last synced: 13 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/libninjacom/bump-rs

Bump.sh client, generated from the OpenAPI spec

bump openapi rust

Last synced: 14 May 2026

https://github.com/foospidy/postman-to-openapi-docker

Run postman-to-openapi from a docker container

openapi postman postman-collection

Last synced: 14 May 2026

https://github.com/swayam-mishra/blobfish-mcp

Any OpenAPI spec. Zero config. Claude-ready. MCP server that turns any REST API into Claude-callable tools instantly.

ai anthropic claude llm mcp openapi postman swagger

Last synced: 13 Jun 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

api automation n8n n8n-community-node n8n-node odoo-v17 openapi swagger workflow

Last synced: 14 Jun 2026

https://github.com/corrreia/dev-mcp

Personal MCP gateway for combining MCP servers and OpenAPI APIs on Cloudflare Workers with Code Mode.

ai cloudflare codemode mcp openapi workers

Last synced: 14 Jun 2026

https://github.com/roxyapi/postman-collections

Postman collections for astrology, Vedic, tarot, numerology, I Ching, biorhythm, Human Design and more. Auto synced from OpenAPI, one API key.

ai-agents api-collection astrology biorhythm horoscope human-design iching kundli mcp numerology openapi postman postman-collection rest-api spiritual tarot vedic-astrology

Last synced: 15 Jun 2026

https://github.com/acunningham-ship-it/mcpforge

Auto-generate Model Context Protocol (MCP) servers from any API in seconds — works with Claude Desktop, Cursor, and any MCP-compatible AI tool

ai-tools claude code-generation developer-tools fastmcp llm mcp model-context-protocol ollama openapi

Last synced: 15 Jun 2026

https://github.com/burin-labs/harn-openapi

Pure-Harn OpenAPI 3.1 parser and SDK codegen helpers

harn harn-package openapi

Last synced: 15 Jun 2026

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.

csharp dotnet httpclient httpclients n8n n8nopenapihttpclient openapi singleton

Last synced: 04 Jul 2026

https://github.com/jathanism/okapi

OpenAPI 3.x client and CLI generator for Go

cli go golang openapi openapi-codegen openapi3 rest-api

Last synced: 20 Jun 2026

https://github.com/hurricanemark/aspnetwebapi

aspnet core webapi & openapi swaggerui

aspnet-core c-sharp dotnet-cli openapi swagger swagger-ui vscode

Last synced: 22 Jun 2026

https://github.com/rifleh700/radio-browser-json-openapi

The OpenAPI declaration of RadioBrowser JSON API

api json openapi radiobrowser rest swagger

Last synced: 23 Jun 2026

https://github.com/griptape-ai/griptape-cloud-python-client

Python client for Griptape Cloud APIs

ai griptape openapi python

Last synced: 24 Jun 2026

https://github.com/faisalaffan/community-waste-collection-api

REST API for community waste collection — households, pickups, payments, and reports. Built with Go Fiber

atlas docker fiber ghcr go golang gorm minio openapi postgresql rest-api swagger waste-management

Last synced: 24 Jun 2026

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.

aspnetcore automapper boilerplate clean-architecture corefx cqrs docker dotnet dotnet10 dotnet8 fluentvalidation healthcheck jwt mailkit mediatr openapi swagger webapi xunit

Last synced: 25 Jun 2026

https://github.com/soenneker/soenneker.make.openapiclient

A .NET client generated from the Make OpenAPI schema, updated daily

api apiclient client csharp dotnet kiota make makeopenapiclient openapi openapiclient

Last synced: 25 Jun 2026

https://github.com/techinpark/jira-cli

Open source Jira CLI for Jira Cloud REST API v3. Manage issues, comments, transitions, worklogs, and JQL from the terminal or LLM agents.

atlassian automation devops golang jira jira-api jira-cli jira-cloud jql openapi

Last synced: 26 Jun 2026

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.

ai-tools auto-generated claude codex cursor data-api hikerapi instagram instagram-api mcp mcp-server model-context-protocol openapi social-media

Last synced: 26 Jun 2026

https://github.com/subzeroid/lamatok-mcp

MCP server for LamaTok — TikTok API tools auto-generated from the OpenAPI spec. Use from Claude Code, Claude Desktop, Cursor, OpenAI Codex, Zed, Windsurf.

ai-tools auto-generated claude codex cursor data-api lamatok mcp mcp-server model-context-protocol openapi social-media tiktok tiktok-api

Last synced: 26 Jun 2026

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.

agent-tools agentic-workflows ai-agents cli dns local-first mcp mcp-server model-context-protocol openapi pypi python stateless tls x402

Last synced: 27 Jun 2026

OpenAPI Specification Awesome Lists
best-of-web-python 848 awesome-integration 686 awesome-jsonschema 94 awesome-corporate-standards 77
OpenAPI Specification Categories
Papers 726 Projects 422 Integration Patterns 200 Resources 191 Django Utilities 161 Adoption 160 Others 116 Third-party Web APIs 93 Web Testing 85 Authorization & Authentication 83 Web Frameworks 75 Flask Utilities 68 Web Scraping & Crawling 48 OpenAPI Utilities 44 HTTP Clients 41 Videos 33 Articles 29 Markdown 28 Branchenspezifisch 26 HTML Processing 25