Thunder Client
Test APIs without leaving your editor
Thunder Client is a lightweight REST API client designed for VS Code and JetBrains. It enables fast, local-first API testing without context switching.
| Best for | developers using VS Code or JetBrains |
| Website | thunderclient.com |
Strengths and trade-offs
- The product keeps all requests and data on the user's machine for privacy.
- The product allows teams to save collections to Git repositories for collaboration.
Appears in
Alternatives to Thunder Client
 Katalon | #1 in API testing tools with a free plan | 98.0 |
 ApidogAll-in-one API platform: Design, debug, mock, test, and document | #2 in API testing tools with a free plan | 92.0 |
 EchoAPISmarter API dev with AI assistance | #3 in API testing tools with a free plan | 92.0 |
 InsomniaAn AI-native API collaboration platform with native Kong Konnect integration. | #4 in API testing tools with a free plan | 92.0 |
 Telerik.comUnprecedented productivity with AI-ready components and modern UI tools | #5 in API testing tools with a free plan | 92.0 |
 StepCIAutomate API testing & QA | #7 in API testing tools with a free plan | 90.0 |
Questions about Thunder Client
Who is Thunder Client best for?
Thunder Client is best for developers using VS Code or JetBrains.
Where does Thunder Client rank?
Thunder Client is ranked #6 in API testing tools with a free plan (Lister Score 92.0).
What are the best alternatives to Thunder Client?
The closest alternatives on Lister are Katalon (#1 in API testing tools with a free plan), Apidog (#2 in API testing tools with a free plan) and EchoAPI (#3 in API testing tools with a free plan).
Is this your company?
Claim Thunder Client to suggest corrections to its listing (pricing, features, details) or ask about an enhanced profile. We review every claim before anything changes.