Karate DSL
Unified API, UI and AI test automation
Karate DSL is an open-source testing engine for API, UI and performance scenarios. It offers AI-native test automation that can be self-hosted within your own infrastructure.
| Best for | engineering teams modernising manual regression |
| Website | karatelabs.io |
Company facts
| Founded | 2016 |
| Headquarters | Sugar Land, US |
| Social profiles | LinkedIn, X, YouTube, GitHub |
Facilities and features
- Published pricing
- Free plan
- API
- Integrations
What stands out
The product allows developers to write significantly less test code while running in any CI environment.
“Write 60% less test code , run it in any CI, and drive the browser with any LLM you host, DOM-first, MCP-native, self-hosted.”Karate DSL, own website
The product ensures all components run on your own machines with no data leaving your network.
“Every product runs on your own machines. Nothing is hosted, nothing phones home.”Karate DSL, own website
Worth knowing
The product requires a paid commercial licence for runtime execution of async protocol tests in CI/CD pipelines.
“* Dev-time license. Runtime license requires Enterprise.”Karate DSL, own website
Strengths and trade-offs
- The product allows developers to write significantly less test code while running in any CI environment.
- The product ensures all components run on your own machines with no data leaving your network.
- The product requires a paid commercial licence for runtime execution of async protocol tests in CI/CD pipelines.
Appears in
Best API testing tools
1
Katalon98.02Karate DSL96.03
Speedscale96.0RANKINGfull ranking →SOFTWAREVERIFIEDOpen-source API testing tools
1Karate DSL96.02
Insomnia92.03
BrowserStack90.0RANKINGfull ranking →How Karate DSL ranks
#2 in Best API testing tools
How the score is made up: Evidence on its own site 20; How complete its published information is 20; Fit to this ranking's criteria 40; Buying information on its own site 16.
“Unified framework for API, UI, mocks, and performance tests”Karate DSL, own website
#1 in Open-source API testing tools
How the score is made up: Evidence on its own site 20; How complete its published information is 20; Fit to this ranking's criteria 40; Buying information on its own site 16.
“Unified framework for API, UI, mocks, and performance tests”Karate DSL, own website
“The MIT engine. Open source MIT, free forever”Karate DSL, own website
Alternatives to Karate DSL
| Insomnia An AI-native API collaboration platform with native Kong Konnect integration. | #2 in Open-source API testing tools | 92.0 |
| BrowserStack Live browser testing and continuous testing platform | #3 in Open-source API testing tools | 90.0 |
 KongCloud-native API gateway and connectivity platform | #4 in Open-source API testing tools | 90.0 |
 BrunoOpen-source API client with Git-native workflows and local-first security. | #5 in Open-source API testing tools | 88.0 |
 SoapUIThe simplest and easiest way to begin your API testing journey | #6 in Open-source API testing tools | 88.0 |
 HoppscotchOpen source API development ecosystem | #7 in Open-source API testing tools | 80.0 |
Questions about Karate DSL
Who is Karate DSL best for?
Karate DSL is best for engineering teams modernising manual regression.
Where does Karate DSL rank?
Karate DSL is ranked #1 in Open-source API testing tools (Lister Score 96.0) and #2 in Best API testing tools (Lister Score 96.0).
What are the best alternatives to Karate DSL?
The closest alternatives on Lister are Insomnia (#2 in Open-source API testing tools), BrowserStack (#3 in Open-source API testing tools) and Kong (#4 in Open-source API testing tools).
Where is Karate DSL based?
Karate DSL is headquartered in Sugar Land, US, and was founded in 2016.
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