The API Astrolab enables today’s API-first companies to show their API products in a visual way so that anyone can understand how they work.
Cost / License
- Freemium
- Proprietary
United StatesPlatforms
- Online
- Software as a Service (SaaS)
Thunder Client Alternatives
Thunder Client is described as 'Hand-crafted lightweight Http Client extension for Visual Studio Code. No separate download needed, Just install the extension from VS Code marketplace' and is a API Client in the development category. There are more than 50 alternatives to Thunder Client for a variety of platforms, including Mac, Windows, Linux, Web-based and Google Chrome apps. The best Thunder Client alternative is Bruno, which is both free and Open Source. Other great apps like Thunder Client are Postman, Insomnia REST Client, Yaak and Hoppscotch.
Alternatives list
78 Advanced REST Client alternativesAPI testing tool. Which allows web developers to create and test custom HTTP requests.
Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Chrome OS
- AppImageHub
- Google Chrome
- Chromium
xh is a friendly and fast tool for sending HTTP requests. It reimplements as much as possible of HTTPie's excellent design, with a focus on improved performance.
Cartero is a graphical HTTP client that can be used as a developer tool to test web APIs and perform all kind of HTTP requests to web servers. It is compatible with any REST, SOAP or XML-RPC API and it supports multiple request methods as well as attaching body payloads to...
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Linux
- Windows
- Flathub
- Flatpak
- Nix Package Manager
- Mac
+7
Cost / License
- Free
- Proprietary
Platforms
- Visual Studio Code
- Mac
- Windows
- Linux
+2
Upcoming API testing tool in beta, built in GoLang, supporting HTTP/gRPC, workspaces, environments, request management, and various content types. Features include dark mode, local data storage, Postman import, environment variable setting, and request chaining.
+4
50 Stoplight alternativesStoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.
gRPC is a modern open source high performance Remote Procedure Call (RPC) framework that can run in any environment. It can efficiently connect services in and across data centers with pluggable support for load balancing, tracing, health checking and authentication.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Self-Hosted
Native desktop app for Windows offers high-performance REST and HTTP API testing, low memory and CPU use, custom methods, portable version, proxy support, multiple environments, code generation, multilingual interface, and import/export in light or dark themes.
+9
50 Apidog alternativesDesign and debug APIs in a powerful visual editor. Describe and debug easily with JSON Schema support. Apidog is a complete set of tools that connects the entire API lifecycle, helping R&D teams implement best practices for API Design-first development.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Online
+1
HarborClient is a free, open-source desktop API client for macOS, Windows, and Linux. It gives you a familiar Postman-style workspace—collections, environments, request scripts, and a tabbed editor—while keeping your work on your machine or on storage you control.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Windows
- Mac
- Linux
Poland
EU
Spain
Singapore
