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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/rspereiratech/openapi-collection-generator-core

Core library for generating API collections from OpenAPI specifications.

api collection-generator insomnia java openapi openapi-spec postman

Last synced: 29 May 2026

https://github.com/rspereiratech/openapi-collection-generator-postman

Postman collection generator plugin for OpenAPI specifications — converts OpenAPI specs into ready-to-import Postman collections (v2.1.0).

api api-tools code-generator developer-tools java openapi openapi-specification openapi3 postman postman-collection rest-api

Last synced: 29 May 2026

https://github.com/yfedoseev/pdf_oxide_api

The fastest, smallest, most secure self-hostable PDF REST API — stateless single-shot HTTP service wrapping the pdf_oxide Rust engine (text/markdown/html extraction, AcroForm fill with first-class Japanese/CJK, merge/split, pipeline). Distroless Docker, ~8-16MB.

acroform axum dify docker form-filling microservice n8n openapi pdf pdf-api pdf-extraction pdf-forms pdf-to-markdown rest-api rust self-hosted stirling-pdf-alternative text-extraction

Last synced: 28 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/apimatic/skills

AI agent skills for APIMatic. Build, configure, and publish developer portals, generate SDKs, and optimize OpenAPI specs from Claude Code, Cursor, and Codex.

agent-skills ai-agents api-docs developer-portal openapi skills

Last synced: 29 Jun 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/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/jeremi/registry-docs

Canonical documentation website for the registry project family.

astro documentation openapi registry starlight

Last synced: 29 Jun 2026

https://github.com/glebmish/intervals-icu-cli

Command-line client for the intervals.icu training API, built for AI-agent use. 148 operations.

ai-agents cli cycling golang intervals-icu openapi running

Last synced: 24 Jun 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/soenneker/soenneker.together.openapiclient

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

client csharp dotnet kiota openapi openapiclient together togetheropenapiclient

Last synced: 06 May 2026

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

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

api client cloudinary cloudinaryopenapiclient csharp dotnet kiota openapi openapiclient

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/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/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/hmartiins/mvp-fullstack-backend-puc-rio

Controle de Gastos Pessoais - MVP Puc RIO

backend flask openapi python swagger

Last synced: 26 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.openaq.httpclients

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

csharp dotnet generated httpclient httpclients openapi openaq openaqopenapihttpclient singleton

Last synced: 07 Jun 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/dfnwtf/latrinebot

Public Latrine Bot monorepo: docs, SDK, widgets, calculator, CLI. Cloud automation engine for Pump.fun tokens.

airdrop creator-fees holders latrine-bot openapi pump-fun pumpfun sdk solana typescript web3

Last synced: 01 Jun 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/soenneker/soenneker.postman.converter

A utility library that converts Postman schemas to OpenApi

api converter csharp dotnet openapi openapiclient postman postmanconverter util

Last synced: 09 Jun 2026

https://github.com/orsinium-labs/openapi

Go package with type definitions for generating OpenAPI documentation.

go golang openapi swagger

Last synced: 14 May 2026

https://gitlab.com/vuphuong87/symfony-openapi-schema-validator

The OpenAPI schema validator wrapper for Symfony HTTP Request / Response object

openapi symfony validator

Last synced: 24 Oct 2025

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

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

api csharp dotnet httpclient httpclients mailgun mailgunopenapihttpclient openapi openapiclient singleton

Last synced: 04 Jul 2026

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

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

api csharp dotnet httpclient httpclients openapi openapiclient singleton wise wiseopenapihttpclient

Last synced: 17 Jun 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/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/bujosa/alzirr

This is my first project related with the Spring Boot ecosystem, I want to achieve with this project, understand what the architecture and structure of this framework is like. ​

openapi spring-boot

Last synced: 10 Jul 2025

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/alexandrelamberty/bookstore-api-spec

:books: Online Bookstore API Specification. Full Stack Web Developer training @ https://technofuturtic.be.

api book bookstore openapi specification store

Last synced: 20 Oct 2025

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-time

OpenAPI data types for time

openapi rest standard

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/chennqqi/cas_go_sdk

Tencent Cloud Archive Storage (cas) go sdk, not offcial

cas go golang openapi oss qcloud storage tencent

Last synced: 19 Apr 2026

https://github.com/go-api-libs/freepublicapis

Go library for the Free Public APIs API. The Free Public APIs API provides up-to-date information on every free public API listed on freepublicapis.com. Perfect for developers, students and hobbyists. It is limited to 1000 requests a day, if you need more, feel free to reach out.

api api-client api-library freepublicapis freepublicapis-api go golang integration openapi openapi3

Last synced: 07 May 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/belgif/openapi-person-identifier

OpenAPI data types for person identifiers

openapi rest standard

Last synced: 01 Jun 2026

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/debitoor/express-openapi

Express Open API

debitoor express openapi

Last synced: 08 May 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/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/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/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/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/youhad08/e-bank-backend-springboot

Digital banking system backend developed with Spring Boot. Includes customer and account management, operations, and REST APIs.

api hibernate java java21 lombok maven mysql openapi rest-api restful-api spring-boot spring-data-jpa spring-framework spring-web swagger

Last synced: 15 Apr 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/bolshchikov/quiver-mcp

MCP server for Quiver API

api mcp openapi quiver

Last synced: 08 May 2026

https://github.com/not-three/api

The !3 api, written in typescript, with the NestJS framework.

api docker hastebin nestjs openapi pastebin swagger

Last synced: 08 May 2026

https://github.com/mizcausevic-dev/briefing-intelligence-engine

Python + FastAPI intelligence engine for executive briefing scoring, narrative generation, risk ranking, and action sequencing.

analytics decision-engine fastapi openapi pandas pydantic python

Last synced: 01 Jun 2026

https://github.com/mizcausevic-dev/vapor-saas-billing-engine

Swift Vapor billing engine for subscription lifecycle, proration, dunning, and replay-safe webhook idempotency.

backend billing finance-ops idempotency openapi saas server-side-swift subscription-billing subscriptions swift swift-server vapor webhooks

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/alcandev/book-inventory-react-vite-nest-postgres

Full-stack book inventory management system using React + Vite (frontend) and NestJS + PostgreSQL (backend). Features JWT auth, advanced filtering (incl. availability), pagination, CSV export, auditing, Swagger docs, image upload with Multer (local storage), and Docker Compose deployment.

auditing csv-export docker docker-compose file-upload filtering jest jwt multer nestjs nginx openapi pagination postgresql react sequelize spa swagger typescript vite

Last synced: 09 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/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/cdn77/patroni-openapi

Patroni OpenApi v3 spec

openapi openapi-spec openapi3 patroni

Last synced: 27 Jan 2026

https://github.com/0xvbetsun/todo-app

Simple todo-app with documentation and e2e testing via Postman

go golang newman openapi postman todo-app

Last synced: 25 Feb 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/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

https://github.com/patarapolw/ts-openapi-fastify

Fastify with OpenAPI and typescript-json-schema example

fastify openapi swagger typescript-json-schema

Last synced: 02 Feb 2026

https://github.com/fvillanuevape/spring-boot-openapi-oke

Article API Spring Boot and Kubernetes - Spring Boot Open API OKE, es una demo sobre como usar los servicios de kubernetes de oracle cloud para desplegar una API desarrollado en spring boot y de igual manera la documentación de la API usando OAS 3.0.0.

docker docker-compose intellij-idea java kubernetes load-balancer maven oas openapi oracle-cloud

Last synced: 02 Feb 2026

https://github.com/eliona-smart-building-assistant/go-eliona-api-client

Go API client for Eliona App SDK

api eliona golang openapi

Last synced: 17 Mar 2026

https://github.com/soenneker/soenneker.attributes.publicopenapiobject

For decorating objects that should be publicly accessible to see within OpenApi

attribute attributes csharp dotnet object openapi publicopenapiobject publicopenapiobjectattribute schema swagger

Last synced: 09 May 2026

https://github.com/iota-uz/click

IOTA Go client for the CLICK Pass API — work with payments, invoices, and fiscalization in your Go applications. Generated with OpenAPI Generator. Includes support for API key auth, server configuration, and handy utility helpers

api-client click click-pass go openapi

Last synced: 14 Jan 2026

https://github.com/dacr/counters

Just count things with API

api openapi pekko pekko-http

Last synced: 26 Feb 2026

https://github.com/gpbultz/apidocandmock

🔧OpenApi extensions and Mocking objects using Bogus

api bogus minimalapi mocking net8 openapi reflection

Last synced: 08 Feb 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/0x-jerry/openapi-ts

Openapi schema to client typescript code

generate-code openapi swagger typescript

Last synced: 14 Apr 2026

https://github.com/bts-lasalle-avignon-ressources/api-http-rest

Les API HTTP REST (OpenAPI, Esp32 & Raspberry Pi)

api-rest esp32 openapi raspberrypi

Last synced: 18 Apr 2026

https://github.com/livingdocsio/openapi

OpenAPI (Swagger) spec for Livingdocs Public API

openapi openapi-specification openapi3

Last synced: 11 Oct 2025

https://github.com/ubill-ge/sdk-php

PHP SDK for working with the UBill API

api openapi openapi-generator openapitools php rest sdk sms ubill

Last synced: 17 Mar 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/esn8der/todo-app

Una API simple de Tareas Pendientes (ToDo) desarrollada con Spring Framework.

java openapi spring-boot spring-framework swagger swagger-api swagger-ui

Last synced: 09 Feb 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/miensoap/kishelper

Features for utilizing the KIS Open API

java kis library openapi stock stock-prices

Last synced: 09 Feb 2026

https://github.com/dreamquality/swagger-coverage-cli

A Node.js CLI tool to measure test coverage of Swagger/OpenAPI specs using Postman collections.

openapi postman-reporter reporter reporting swagger

Last synced: 09 Feb 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