HTTPie for Web & Desktop Alternatives & Competitors

Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.

Key Insomnia REST features:

User-Friendly Interface Support for Multiple Protocols Environment Management Custom Plugins and Themes

Open Source

The Collaboration Platform for API Development.

Key Postman features:

User-Friendly Interface Collaboration Comprehensive Testing Tools Extensive API Documentation

Open Source

The all-in-one Screenshot API for developers: capture websites, generate PDFs, record videos, and automate it all with powerful, scalable infrastructure. No browser setup, no hassle. Just clean results, fast.

Key ScreenshotMAX features:

Annoyance Blocking Scheduled Screenshot Tasks Full-Page Screenshot Rendering HTML to PDF Conversion

Try for free freemium $19.0 / Monthly

Paw is a REST client for Mac.

Key RapidAPI for Mac features:

User Interface Team Collaboration Advanced Request Capabilities Extensions and Plugins

Open source API development ecosystem.

Key Hoppscotch features:

User-Friendly Interface Open Source Multi-Platform Support Real-Time Collaboration

Open Source freemium

SoapUI Pro is one of the most prominent API testing platforms around, allowing developers to quickly prototype the functions of their apps and get them to market with little hassle.

Key soapUI features:

Comprehensive Testing User-Friendly Interface Extensive Protocol Support Scripting Capability

A cross-platform HTTP client desktop application for testing HTTP and REST APIs, WebSocket, GraphQL (including subscriptions) and gRPC endpoints.

Key Hello HTTP features:

Lightweight Simplicity Fast Setup

Open Source

Browser based HTTP client inspired by Insomnia and Postman.

Key Restfox.dev features:

Intuitive Interface Cross-Platform Availability Comprehensive Feature Set Responsive Support

Open Source

Fiddler is a debugging program for websites.

Key Fiddler features:

Comprehensive Debugging Cross-Platform Compatibility Custom Scripting User-Friendly Interface

NativeRest is a native REST API client for Windows, macOS and Linux. NativeRest desktop application is not using Electron, runs fast, uses less memory and CPU.

Key NativeRest features:

High-performance and memory efficient Preconfigured proxy server Simple testing Manage multiple environments

freemium $199.0 / One-off

Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.

Key HTTP Toolkit features:

Ease of Use Cross-Platform Compatibility Open Source Comprehensive Debugging Features

Open Source freemium €7.0 / Monthly (for a Pro subscription)

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Key Flagsmith features:

Feature Flags Remote Config A/B/X Testing & Optimization Organization Management

Try for free Open Source freemium

Friendly and fast tool for sending HTTP requests.

Key xh features:

User-Friendly Compatibility Performance Modern Features

Statically typed Programming Language targeting JVM and JavaScript.

Key Kotlin features:

Interoperability Conciseness Null Safety Coroutines

Open Source