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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.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/rashidintheworld/file-document-restapi

This project contains a collection of services that perform step-by-step PDF creation. It allows users to convert any text in PDF format by setting font, color and RGB properties through a single API. I shared the project on GitHub and am open to development.

itextpdf openapi pdf-generation restful-api spring-boot swagger

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/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/todofixme/openapi-showcases

How different OpenAPI generators might help to build stable REST APIs.

kotlin openapi openapi-spec spring-boot springdoc-openapi

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/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

firebase material-ui meta-llama-3-1-8b-instruct nextjs openapi

Last synced: 09 May 2026

https://github.com/met-dev/gamesellingproject

Game Sales Project Backend Side. Tech Stack= ASP.Net, EntityFramework, Code First

api-rest asp-net clean-architecture csharp domain-driven-design entity-framework entity-framework-core mssql-database openapi

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/soenneker/soenneker.n8n.openapiclient

A .NET client generated from the N8N OpenAPI schema, updated daily

client csharp dotnet kiota n8n n8nopenapiclient openapi openapiclient

Last synced: 09 May 2026

https://github.com/vivek92503/weather-app

A weather app showing current conditions and forecasts using OpenWeatherMap API with location detection and temperature unit toggle.

api css3 html5 javascript openapi openwethermap-api

Last synced: 09 May 2026

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

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

client csharp dotnet generated kiota openapi openapiclient replicate replicateopenapiclient

Last synced: 09 May 2026

https://github.com/mizcausevic-dev/partner-lead-distribution-engine

TypeScript platform for partner lead routing, territory governance, SLA-aware distribution, and attribution-conscious channel operations.

backend channel-sales express lead-routing nodejs openapi partner-operations revenue-operations typescript

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/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/typisttech/swagger_ui_standalone

Generate standalone static Swagger UI sites from OpenAPI specifications.

openapi static-site-generator swagger-ui

Last synced: 17 Oct 2025

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/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/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/rootlyhq/rootly-java

Official Rootly Java SDK for incident management API

api incident-management incident-response java maven openapi rest-api rootly sdk

Last synced: 22 Jan 2026

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

OpenAPI data types for locations

openapi rest standard

Last synced: 15 Oct 2025

https://github.com/adrianhdezm/openapi-tools

Just another CLI tool to work with OpenAPI specifications, including generation, validation, and more.

openapi openapi-tooling python zod

Last synced: 14 Mar 2026

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

Bucket Adapter repository for BI1.

docker java openapi swagger-ui

Last synced: 22 Jan 2026

https://github.com/sonaiengine/api-to-tools

Universal library that converts any API (OpenAPI, WSDL/SOAP, GraphQL, gRPC) into LLM-callable tool definitions

ai-agent anthropic api-crawler api-discovery claude function-calling graphql grpc llm llm-tools mcp mcp-server nexacro openapi playwright python soap swagger tool-calling wsdl

Last synced: 15 Apr 2026

https://github.com/stjoo0925/openapi-test

openAPI-Test

openapi springboot

Last synced: 05 Feb 2026

https://github.com/cdn77/patroni-openapi

Patroni OpenApi v3 spec

openapi openapi-spec openapi3 patroni

Last synced: 27 Jan 2026

https://github.com/shockey/awywi

Code and slides for my APIStrat 2018 talk

apistrat apistrat18 openapi swagger

Last synced: 09 May 2026

https://github.com/himenon/openapi-parameter-formatter

OpenAPI Query and Path Parameter Formatter.

openapi openapi-specification openapi3 swagger

Last synced: 20 Oct 2025

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/mermade/openapi2js

Create simple JS SDK from OpenAPI (Swagger) 2.0/3.0.x json/yaml document

openapi openapi3 sdk swagger

Last synced: 15 May 2026

https://github.com/mauricio-dolinski/ferramentas-api

API com ferramentas para validação e geração de documentos comuns no Brasil. - Tecnologias: Quarkus, Swagger, OpenAPI, Java

java openapi quarkus swagger

Last synced: 20 Jan 2026

https://github.com/kossahokia/bankcards

REST API for managing bank cards. Built with Java 21, Spring Boot, PostgreSQL, Liquibase, JWT, Docker, Swagger. Includes full authentication, roles, transfers & admin features.

backend docker java jwt liquibase openapi postgresql rest-api springboot swagger

Last synced: 13 Apr 2026

https://github.com/mikeirvingweb/dotnet-open-api-swagger-demo

As demoed at the Dot Net North .NET Conf Local Event in December 2020. A simple overview of Open API and Swagger in .NET

csharp dotnet openapi swagger

Last synced: 16 Apr 2026

https://github.com/mesteriis/fullstack-template

Opinionated FastAPI + Vue fullstack template with contract parity checks, ADR-driven governance, and observability baseline.

adr architecture fastapi fullstack observability openapi python template typescript vue

Last synced: 14 Apr 2026

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

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

api client csharp dotnet grafana grafanaopenapiclientutil kiota openapi openapiclientutil singleton util

Last synced: 13 Jun 2026

https://github.com/2g4/console-ai

Console-based tool to query OpenAI directly, streamlining AI-powered insights from your terminal.

ai chatgpt console-application golang openai openapi

Last synced: 14 Jan 2026

https://github.com/trickfilm400/shvenergy-api

NodeJS Package for accessing the SHVEnergy API

api axios node nodejs npm openapi primagas shvenergy shvenergy-api typescript

Last synced: 23 Jan 2026

https://github.com/mbari-org/gpdviz

Web-based visualization of geolocated point data streams in real-time

openapi scala typescript vue websocket

Last synced: 14 Apr 2026

https://github.com/gabrielcenteiofreitas/express-zod-openapi-typed

Type-safe Express routes with Zod validation and automatic OpenAPI specification generation. Full TypeScript support with inferred types from Zod schemas.

express javascript nodejs openapi types typesafe typescript zod

Last synced: 20 Jan 2026

https://github.com/asadhasan/fastapi-projections-service

Playing with FastAPI by creating an investment projections service (using Nutmeg's calculator to actually calculate the projections)

bandit black codecov codeql dependabot docker-compose fastapi flake8 github-actions heroku isort mypy nginx-unit openapi owasp-zap pre-commit pydantic pytest python3 requests

Last synced: 21 Jan 2026

https://github.com/dperez3/oapi-generator

Generate OpenAPI documents from multiple Swagger v2 or Open API v3 documents.

generator import json openapi openapi2 openapi3 proxy swagger swagger2

Last synced: 14 Apr 2026

https://github.com/dreamquality/postman-openapi-schema-validator

A Node.js utility for integrating OpenAPI schema validations into Postman collections. Automatically reads OpenAPI specs (JSON/YAML) and applies schema validation scripts to Postman requests, supporting OpenAPI versions 2.0, 3.0.x. Provides detailed console logging for validation results.

json newman openapi postman swagger yaml

Last synced: 27 Jan 2026

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

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

api csharp dotnet httpclient httpclients neon neonopenapihttpclient openapi singleton

Last synced: 05 Jun 2026

https://github.com/sugamkuber/auto-mailer

Mailing Automation Task with google oauth & open ai

automation frontend gmail-api google-cloud openapi

Last synced: 19 Apr 2026

https://github.com/soenneker/soenneker.kiota.util

A utility library for Kiota and OpenAPI related operations

api csharp dotnet kiota kiotautil openapi util utils

Last synced: 21 Apr 2026

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

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

api calcom calcomopenapihttpclient csharp dotnet httpclient httpclients openapi openapiclient singleton

Last synced: 07 Jun 2026

https://github.com/mrnicolass/v2com-library-training-backend

It's a simple API project of a library concept made to learn some of Quarkus, PostgreSQL and Docker.

docker flyway-migrations java openapi postgresql quarkus

Last synced: 09 Apr 2026

https://github.com/hozipitol/artifex

Artifex is a full-stack AI image generation application that allows users to create unique images from text prompts using OpenAI's DALL-E model. The project demonstrates advanced web development and AI integration skills.

mern-stack openai-api openapi reactjs tailwind-css

Last synced: 13 Apr 2026

https://github.com/serguun42/airport-frontend

Frontend for Airport Project built with React 18

openapi react

Last synced: 13 Apr 2026

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

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

api csharp dotnet httpclient httpclients ngrok ngrokopenapihttpclient openapi openapiclient singleton

Last synced: 02 May 2026

https://github.com/luolingchun/star-openapi

A simple async API framework based on Starlette.

openapi openapi3 pydantic python3 redoc scalar starlette swagger

Last synced: 14 Jan 2026

https://github.com/kacperfaber/codziennemotto_pl_server

🎈 Spring API for CodzienneMotto.pl. Allows you to create a lists of daily quotes, invite users to join your list and schedule quote to specific day 🎈

cicd daily-quotes kotlin openapi rest-api spring spring-test web-testing

Last synced: 13 Apr 2026

https://github.com/teamkweku/alx_travel_app_0x01

Django REST API for property rentals with booking management, reviews, and real-time notifications. Features MySQL, Celery, and Docker integration.

asynchronous celery django openapi postgresql redis swagger

Last synced: 09 Apr 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/renatompf/poc_spring_elasticsearch

This project is a Spring Boot application that demonstrates the integration of PostgreSQL and Elasticsearch for managing and searching product data.

elasticsearch java kafka openapi postgresql spring-boot

Last synced: 13 Apr 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/lsanchezvv/swagger-express-api-baseline

Baseline to create a swagger-node-runner project. Uses the openApi standard.

documentation express nodejs openapi openapi-spec swagger

Last synced: 28 Jan 2026

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

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

api csharp dotnet httpclient httpclients openapi openapiclient singleton twilio twilioopenapihttpclient

Last synced: 03 May 2026

https://github.com/hskrasek/arazzo-parser

Parse OpenAPI Arazzo specifications in PHP

arazzo arazzo-specification openapi

Last synced: 11 May 2026

https://github.com/lenivaya/expensify

📊 Modern, full-stack expense tracking application with rich analytics, GDPR-compliant privacy features, and comprehensive budgeting tools. Built with Next.js 15 and NestJS.

analytics budget-planning docusaurus drizzle-orm expense-tracker finance-management gdpr gdpr-consent nestjs nextjs openapi postgresql shadcn-ui typescript

Last synced: 09 Apr 2026

https://github.com/andrii-hrechyn/auto-documentation

Auto Documentation is a library for generating API documentation for Laravel.

documentaion laravel laravel10 openapi openapi3 redoc redocly

Last synced: 06 Feb 2026

https://github.com/syedabdullahrahman/e-commerce

A REST API for e-commerce applications, built with Spring Boot 3.2.2. This API provides essential features for managing products, customer wish lists, and sales analytics.

auditing e-commerce e-commerce-project ecommerce ecommerce-database grafana grafana-dashboard liquibase logging mysql openapi openapi-specification prometheus prometheus-metrics slf4j spring-boot spring-data spring-data-jpa spring-data-rest swagger-ui

Last synced: 30 Jan 2026

https://github.com/anmolverma404/ai-image-generation

📌AI Image Generation🔸DALL-E AI🔸Open AI 🧠

cloudinary dall-e-api express javascript mongodb nodejs openapi tailwindcss

Last synced: 15 Apr 2026

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

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

client csharp dotnet kiota openapi openapiclientutil paddle paddleopenapiclientutil singleton util

Last synced: 28 Jun 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

Last synced: 09 Apr 2026

https://github.com/apprexp/govsg2oas

A project which aims to convert existing government public-facing APIs into the OpenAPI 3 specs.

oas oas3 oasv3 openapi openapi3 singapore singapore-bus-data singapore-government

Last synced: 12 Apr 2025

https://github.com/e22m4u/ts-openapi

TypeScript decorators for generating The OpenAPI Document

decorator documentation esm generator openapi swagger typescript

Last synced: 12 Apr 2025

https://github.com/redte-ch/redistributeme

Impact of taxes and social benefits on disposable income

astro benefits d3 openapi openfisca rac svelte taxes typescript

Last synced: 13 Apr 2026

https://github.com/wherejuly/60-1-oas-markdown-merger

Expand the OpenAPI JSON specification `description` fields by merging the arbitrary markdown files translated to HTML.

contract description design-by-contract documentation html markdown merge openapi

Last synced: 07 Feb 2026

https://github.com/soenneker/soenneker.dnsimple.contacts

An async thread-safe singleton for DNSimple OpenApiClient's Contacts API

contacts csharp dnsimple dnsimplecontactsutil dotnet openapi singleton util

Last synced: 23 Apr 2026

https://github.com/nithidol/swagger-converter

Swagger specifications and convert to AsciiDoc and PDF with a custom font.

html5 openapi pdf spring-boot swagger

Last synced: 26 Feb 2026

OpenAPI Specification Awesome Lists
best-of-web-python 848 awesome-integration 686 awesome-jsonschema 94 awesome-corporate-standards 76
OpenAPI Specification Categories
Papers 726 Projects 396 Integration Patterns 200 Resources 181 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 HTML Processing 25 Monitoring 25