API Clients Page 3 of 3

Free, privacy-first API client built natively into VS Code. Test REST, GraphQL & WebSocket APIs locally — no login, no cloud sync, no telemetry.

A modern, resource-friendly REST client for Windows.

Minimal native and free REST API client for Mac.

Powerful IDE to work with API. Harness the power of scenarios, autocompletion and syntax highlight for API development. Write tests, share code without leaving the comfortable development environment.

RequesterX is a free desktop HTTP client for API testing and development. Organize requests into nested collections, use environment variables for easy context switching, generate code snippets in 13 languages, and keep everything stored locally — no account required.

API Traffic Inspector.

Loadmill helps developers easily create the tests required for continuous delivery by analyzing user behavior. Loadmill automates backend regression testing by replaying real user behavior. Through the use of smart recordings, the platform can create and replay thousands of...

Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.

A free open source, native Apple OS X app for testing HTTP/REST endpoints.

Resonance is a local-first, zero-account API client application designed to provide an excellent user experience for testing and interacting with APIs. Built with Tauri, it offers a modern and intuitive interface for developers.

Send HTTP requests to API endpoints. GetIt's main focus is to make your life a lot easier when you have to test APIs or use somebody else's API.

Main goal of this VSCode extension is storing all HTTP request & response data automatically as files in a VSCode workspace.

Api Quest is a desktop application designed for executing HTTP requests, storing them on the local file system, and providing portability. Whether you're a developer, QA or system engineer, this tool offers solution for handling HTTP requests effectively.

A secure, local-first browser extension that packs essential developer utilities, JSON formatters, and JWT decoders directly into your toolbar.

Conektto's API lifecycle fabric is the world's first SAAS based visual designer for API that generates spec, mocks, visualization, code, test and test data automatically.

Helps you to test the Rest API with your phone including features like import, edit and export postman collections.With this, you don't need to look for your laptop or PC whenever you need to test and modify your REST APIs. You can work on them anytime, on the go.

APIBuilderHQ is a zero-friction alternative to heavy API clients like Postman. Built entirely for the browser — no desktop app, no mandatory accounts, no cloud sync. Your collections and request data stay in localStorage on your device.

Humlix shows you an easy way of generating tests for your web APIs. All you need to do is create a test request using the test request builder within Humlix and give an example of how your endpoints look and what type of data they want.

Native app for macOS, Windows, Linux combining REST and GraphQL client, database manager, SSH/SFTP, docs, boards, encrypted vault, team chat, and offline use.

GetAPI is a native macOS app that simplifies REST API testing by allowing users to import from Postman, make HTTP requests, and view responses in a streamlined interface.

Yaade is the only open-source, fully self-hosted, collaborative API development environment.

APISpider is a lightweight API client for testing, debugging, and documenting REST APIs. It includes request history, collections, environment variables, mock servers, and API docs — all designed to keep your workflow fast and distraction-free.

Nokori is the all-in-one platform for building, hosting, and growing your SaaS business. From Instant Microservices, Auth-as-a-Service, and Transactional Email, we give tech brands the tools they need to bring ideas to life quickly and easily, while providing seamless...

Build multi-step HTTP API checks visually, chaining requests, passing response data, adding assertions, and running them on schedules or CI/CD hooks.

API Dash is a beautiful open-source cross-platform API Client built using Flutter which can help you easily create & customize your API requests, visually inspect responses and generate API integration code. A lightweight alternative to postman/insomnia.