Browse free open source API Gateways and projects for Windows below. Use the toggles on the left to filter open source API Gateways by OS, license, language, programming language, and project status.
Development toolkit for Web Services and XML data bindings for C & C++
The open-source, cross-platform API client for GraphQL
HTML, JavaScript, and CSS assets that generate Swagger documentation
Opensource IDE For Exploring and Testing Api's
Thunder Client is a lightweight Rest API Client Extension for VS Code
Template-driven engine to generate documentation
Examples, server integrations for generating Swagger API Specification
ThetaGang is an IBKR bot for collecting money
CLI tool to build, test, debug, and deploy Serverless applications
Open source API development ecosystem
Simple REST and HTTP API Client for .NET
OpenSource Postman Alternative. The developer-first API devtool
A PHP client library for accessing Google APIs
Serverless Python
Human-friendly and powerful HTTP request library for Node.js
Develop and test your cloud apps offline
OpenAPI Generator allows generation of API client libraries
Local Lambda debug, CodeWhisperer, SAM/CFN syntax, etc.
The cloud-native API gateway
Access GameLift resources and integrate GameLift into your Unity game
OpenAI Api Client in Java
High-performance, stateless, declarative, API Gateway written in Go.
Built for demanding AI workflows
NetSuite PHP API Client with namespaces and autoloading
.NET core API Gateway