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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/soenneker/soenneker.workos.httpclients

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

api csharp dotnet httpclient httpclients openapi singleton workos workosopenapihttpclient

Last synced: 06 Jun 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/cl0v1s/openapi-mcpify

Turn any OpenAPI spec into a live MCP server — with built-in confirmation prompts for mutating operations.

elicitatio mcp openapi

Last synced: 24 Apr 2026

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/libninjacom/benchling-rs

benchling client, generated from the OpenAPI spec

benchling openapi rust

Last synced: 25 Apr 2026

https://github.com/2sem/coinone-api-skills

Skill pack for Coinone Open API usage

api coinone crypto openapi skill websocket

Last synced: 25 Apr 2026

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

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

api client csharp dotnet kiota openapi openapiclient temporal temporalopenapiclient

Last synced: 25 Apr 2026

https://github.com/two-weeks-team/previewforgeforclaudecode

3-DD Methodology: PreviewDD → SpecDD → TestDD. 143 Opus 4.7 agents turn one-line idea → frozen full-stack app. Claude Code plugin. Built with Opus 4.7 hackathon.

3-dd anthropic claude-code claude-code-plugin hackathon multi-agent nestia nextjs openapi opus-4-7 preview-driven-development spec-driven-development test-driven-development typescript

Last synced: 26 Apr 2026

https://github.com/azhirov/openapi-3.0-types

This package provides TypeScript types for OpenAPI 3.0

openapi openapi3 types

Last synced: 26 Apr 2026

https://github.com/bretterer/openapi-codegen

Extendable Swagger Code Generator for PHP

codegen codegeneration openapi openapi-specification

Last synced: 13 May 2026

https://github.com/jinjihuang88-ui/maplebridge-open

Public API docs for MapleBridge, a North America to China B2B supplier matching platform.

ai b2b china-sourcing llm openapi small-commodity supply-chain trade-matching webhook yiwu

Last synced: 27 Apr 2026

https://github.com/asafr-dev/supportdesk-api

SupportDesk tickets API (FastAPI): API-key auth, SQLAlchemy/Postgres, OpenAPI docs, tests, CI.

docker fastapi mypy openapi postgresql pytest python rest-api ruff sqlalchemy

Last synced: 27 Apr 2026

https://github.com/bonukai/typescript-routes-to-openapi

Extract REST API routes from TypeScript files and generate OpenAPI documentation and input validators

openapi swagger

Last synced: 27 Apr 2026

https://github.com/foxfriends/openfetch

Fetch-like OpenAPI client library

fetch-api openapi openapi3 swagger

Last synced: 27 Apr 2026

https://github.com/ricardozanini/openapi-codegen-poc

Proof Of Concept of OpenAPI Generator Embedded Codegen with Serverless Workflow SDK

openapi serverless-workflow

Last synced: 28 Apr 2026

https://github.com/mpreu/husqvarna-api-clients

Autogenerated API clients for Husqvarna APIs.

husqvarna-automower lua openapi

Last synced: 28 Apr 2026

https://github.com/bamp/arrobavolver-api

API foundation for end-to-end product prototypes (contracts, integrations, flows)

api backend integrations openapi product protoype

Last synced: 28 Apr 2026

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

Petstore client, generated from the OpenAPI spec

golang openapi petstore

Last synced: 14 May 2026

https://github.com/duynghiadev/design-api

swagger, openapi

openapi swagger-ui

Last synced: 11 Apr 2026

https://github.com/allansomensi/tickify-api

A simple API for managing support tickets, with JWT authentication. Made in Rust with Axum.

api auth crud docker just jwt mvc openapi postgresql rust sqlx swagger-ui ticket-management

Last synced: 12 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/headwindz/public-holidays

public holidays open apis

openapi public-holidays

Last synced: 29 Apr 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

Last synced: 29 Apr 2026

https://github.com/kanryu/validagen

A validator generator for structs/maps for your go applications.

generator go openapi ozzo-validation validator

Last synced: 29 Apr 2026

https://github.com/workloads/pathfinder-openapi-specs

OpenAPI Specs for Pathfinder

arduino esp32 openapi

Last synced: 21 Feb 2026

https://github.com/echelon-solutions/swagger-node-vagrant

A portable Vagrant environment for running swagger-node to quickly create APIs.

api oas openapi swagger swagger-node swagger-specification vagrant

Last synced: 30 Apr 2026

https://github.com/mahmudindev/oreno-comicking-openapi-python

Python-based generated ComicKing OpenAPI client.

client comics openapi sdk

Last synced: 30 Apr 2026

https://github.com/thanadolps/swarch_rest

Simple REST API Assignment as part of Chulalongkorn 2110521 Software Architecture course.

openapi poem rest-api rust

Last synced: 30 Apr 2026

https://github.com/kwaytv/hono-steamer-api

⚡ High-performance Steam profile resolver API with MySQL-powered smart caching system | Built with Hono & TypeScript 🚀

hono openapi steam-api typescript

Last synced: 30 Apr 2026

https://github.com/planet-a-ventures/affinity-client-python

API client for Affinity (www.affinity.co)

affinity client openapi python

Last synced: 01 May 2026

https://github.com/apocys/mcp-connector-platform

Transform OpenAPI documentation into hosted MCP servers with governance controls and Gemini AI safety review

ai-safety gemini governance mcp openapi

Last synced: 18 Apr 2026

https://github.com/rocket-org-imdeepmind/rocketswagger

RocketSwagger is a hosted Swagger UI instance that allows users to visualize and interact with OpenAPI documentation.

openapi swagger swagger-ui

Last synced: 06 Mar 2025

https://github.com/yinchi/openapi-cli

CLI for working with APIs using the OpenAPI specifications

openapi openapi-cli python-click

Last synced: 01 May 2026

https://github.com/straylittlepunk/deepl

Openapi auto generated deepl api client

deepl openapi rust

Last synced: 01 May 2026

https://github.com/duongnguyen321/open-api

Open API for coder, programing

country nestjs openapi

Last synced: 01 May 2026

https://github.com/timtwiest/simple-java-api

A simple Java API written with Spring Boot and OpenAPI

cucumber docker jacoco java junit5 maven openapi postgresql spring-boot

Last synced: 26 Jan 2026

https://github.com/merkys/openapi-3to2

Convert OpenAPI v3 descriptions to v2

openapi perl5

Last synced: 02 May 2026

https://github.com/block65/openapi-codegen

Opinionated OpenAPI Typescript code generator

codegen openapi typescript

Last synced: 02 May 2026

https://github.com/kleister/kleister-go

Kleister: SDK for Golang

go golang kleister minecraft openapi sdk swagger

Last synced: 02 May 2026

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

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

api client csharp dotnet kiota openapi openapiclient shippo shippoopenapiclient

Last synced: 07 May 2026

https://github.com/nexys-system/postman-openapi-ui

generate Open API from Postman collection

openapi openapi3 postman

Last synced: 02 May 2026

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

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

csharp dotnet generated httpclient httpclients notion notionopenapihttpclient openapi singleton

Last synced: 05 Jun 2026

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

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

api csharp dotnet httpclient httpclients openapi openrouter openrouteropenapihttpclient singleton

Last synced: 07 Jun 2026

https://github.com/fadhlaouir/travelagencybackend

This project is a backend API for a travel agency, providing authentication features such as user registration, login, and logout. It also supports booking flights and hotels, similar to popular travel booking platforms like Booking.com.

asp-net-core dotnet-core dotnet-tools entity-framework-core fluentvalidation identity-framework openapi

Last synced: 03 May 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

api automation n8n n8n-community-node n8n-node ondo-finance openapi swagger workflow

Last synced: 14 Jun 2026

https://github.com/nikitadev-work/pr-manager-service

Микросервис, который автоматически назначает ревьюеров на Pull Request’ы (PR), а также позволяет управлять командами и участниками.

clean-architecture go golang http openapi postgresql

Last synced: 06 May 2026

https://github.com/egonw/grant-api

Garlic API around Wikidata for research grants

cordis grlc openapi sparql wikidata

Last synced: 16 Mar 2025

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.

agent-framework ai-tools design driver fastapi function-calling integration llm llmos llms mcp mcs openapi protocol

Last synced: 04 May 2026

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

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

csharp dotnet httpclient httpclients openapi singleton trulioo truliooopenapihttpclient

Last synced: 09 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/slaterhaus/openapi-sdk-generator

Generate TypeScript SDKs, Postman collections, GraphQL schemas, and cURL commands from OpenAPI specifications

api-client cli-tool code-generator graphql openapi postman swagger typescript

Last synced: 04 May 2026

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.

lombok mail-sender mapstruct openapi postgresql spring-boot spring-data-jpa spring-security-jwt validation

Last synced: 04 May 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/lsegg/delilah-resto

This project proposes the creation of an online ordering system for a restaurant.

api api-rest dotenv express nodejs nodemon openapi

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/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/developerkunal/openmorph

OpenMorph: Modern CLI & TUI for safe, interactive OpenAPI vendor extension key transforms with colorized diffs, dry-run, and config merging.

api-tools automation cli-tool developer devops devops-tools fern golang interactive-cli json openapi pagination schema-validation speakeasy transformation tui vendor-extensions yaml

Last synced: 05 May 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/zaydiscold/goodreads-cli

Unofficial CLI + MCP for the full Goodreads API — shelves, ratings, reviews, friends, feed, giveaways (read + write). The API map is the product.

api books cli goodreads mcp openapi reverse-engineering typescript

Last synced: 09 Jun 2026

https://github.com/neelagarwal98/modular-equity-research-system

A prototype application that automates financial equity research using a coordinated multi-module architecture. It combines the power of OpenAI's GPT-3.5-turbo, Serper API for Google search and RAG (Retrieval-Augmented Generation) to deliver accurate, well-sourced financial analysis reports with confidence scoring.

equity google-serp-api langchain llm openapi rag streamlit

Last synced: 06 Apr 2026

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

primer client, generated from the OpenAPI spec

openapi primer rust

Last synced: 20 Jun 2026

https://github.com/phaethix/api-doc-generator

AI-powered API documentation generator — describe your API in plain English, get OpenAPI specs + beautiful docs. Built with Deno + React.

ai api-documentation deno llm openapi react swagger typescript

Last synced: 29 Jun 2026

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.

java jdbc jwt-authentication kafka openapi oracle-database redis swagger-api

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/owlebot/open-api

Public API to interact with the owle.bot app

api javascript nodejs open-source openapi typescript

Last synced: 06 May 2026

https://github.com/luismendes070/desafio-parcelas

https://github.com/luismendes070/desafio-parcelas/blob/main/credit-application-system/src/test/kotlin/me/dio/credit/application/system/service/CustomerServiceTest.kt

digital-innovation-one dio dio-bootcamp kotlin kotlin-backend mockk openapi spring-boot spring-boot-starter-validation springdoc swagger validation

Last synced: 06 May 2026

https://github.com/leozqin/laridae

A registry and proxy server for agentic tool-calling

agentic-ai agentic-framework agentic-workflow genai golang langchain llm llms openapi openapi3 rag tool-calling

Last synced: 06 May 2026

https://github.com/jlarmstrongiv/bunny-sdk-openapi

OpenAPI Specification for bunny.net 🐰

bunnycdn bunnynet openapi openapi-specification openapi3 sdk

Last synced: 16 Oct 2025

https://github.com/badsyntax/mailinabox-api-php

PHP client SDK for the Mail-in-a-Box API.

mail-in-a-box mailinabox openapi

Last synced: 18 Apr 2026

https://github.com/mizcausevic-dev/observability-incident-command-api

TypeScript API for incident severity analysis, escalation routing, responder visibility, and operational incident-command workflows.

backend express incident-response nodejs openapi platform-engineering sre typescript

Last synced: 01 Jun 2026

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

OpenAPI data types for person identifiers

openapi rest standard

Last synced: 01 Jun 2026

https://github.com/mizcausevic-dev/customer-health-churn-api

TypeScript customer success portfolio project demonstrating SaaS health scoring, churn-risk analysis, renewal prioritization, and playbook routing across product, support, and revenue signals.

backend churn customer-success express health-score nodejs openapi saas typescript

Last synced: 01 Jun 2026

https://github.com/buonzz/ph-locations-api

REST API for serving Cities, Barangays, Provinces and Regions in Philippines

dataset geolocation nodejs-server openapi philippines philippines-json rest

Last synced: 27 Jan 2026

https://github.com/mizcausevic-dev/content-workflow-intelligence-platform

TypeScript platform for editorial workflow intelligence, publishing readiness scoring, bottleneck visibility, and content operations governance.

backend content-operations editorial-workflows express nodejs openapi seo-governance typescript

Last synced: 01 Jun 2026

https://github.com/mizcausevic-dev/experimentation_insights_kpi

TypeScript platform for experiment lift analysis, rollout decisioning, KPI interpretation, and growth-oriented experimentation workflows.

ab-testing backend experimentation growth kpi nodejs openapi typescript

Last synced: 01 Jun 2026

https://github.com/mizcausevic-dev/signal-orchestration-lab

Python + FastAPI orchestration backend for dependency-aware signal routing, escalation sequencing, and cross-functional response planning.

backend openapi pandas python signal-routing

Last synced: 01 Jun 2026

https://github.com/mizcausevic-dev/kinetic-api-gateway

Node.js + Express REST API for B2B SaaS lead scoring, campaign visibility, and revenue workflow automation

api-gateway backend express lead-scoring nodejs openapi rest-api revenue-operations saas sales-operations swagger typescript

Last synced: 01 Jun 2026

https://github.com/ismiljanic/otvrac

Repozitorij za predmet "Otvoreno računarstvo" koji sadrži laboratorijske vježbe iz akademske godine 2024./2025.

auth0 csv jsonschema laboratory-exercises nodejs openapi postgresql

Last synced: 14 Apr 2026

https://github.com/mizcausevic-dev/compliance-event-ledger

Java Spring Boot backend for immutable compliance event history, timeline retrieval, exception pressure scoring, and audit-friendly governance workflows

audit-log backend compliance event-sourcing java openapi platform-engineering spring-boot

Last synced: 01 Jun 2026

https://github.com/belgif/openapi-location

OpenAPI data types for locations

openapi rest standard

Last synced: 15 Oct 2025

https://github.com/dieperid/bucket-adapter

Bucket Adapter repository for BI1.

docker java openapi swagger-ui

Last synced: 22 Jan 2026

https://github.com/waterrmalann/openapi-editor

An OpenAPI YAML compatible, visual API Documentation tool

api api-documentation documentation-tool openapi openapi-editor swagger

Last synced: 01 Jun 2026

https://github.com/jeremi/registry-docs

Canonical documentation website for the registry project family.

astro documentation openapi registry starlight

Last synced: 29 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