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The API testing solution
that wins QAs & Devs over, every time

Start testing in 60s with Katalon Studio.

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Seamless API testing

Automate API testing effortlessly with Katalon, free from dependencies on third-party tools or configurations, and harness all the advantages of the Katalon Platform. Integrate API tests seamlessly into your agile iterative delivery.
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Why API testing with Katalon

"Katalon revolutionized our API testing process. With Katalon Studio, our team can effortlessly design, execute, and manage API tests. It's been a game-changer for us."
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Chris Thompson
QA Manager
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Simplified API test creation

User-friendly interface, configure the request method, URL, parameters using the built-in editor or import from Postman, Swagger, or WSDL. Supports RESTful, SOAP, GraphQL, and Web Services.
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Enhance API test execution

Run tests individually or in batches. Easily schedule tests at specific times or trigger events. Integrate with CI/CD tools like Jenkins, Azure DevOps, or GitHub Actions, enabling parallel or distributed testing for scalable and secure environments.
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Streamline API testing

Effortlessly combine API tests with UI, mobile, or desktop tests for comprehensive scenarios. Enhance modularity and reusability using features like test objects or custom keywords.
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Gain in-depth API test analytics

Katalon enhances team collaboration by combust API test reporting. Easily access and analyze test results with the report viewer. Further streamline collaboration by integrating with popular test management tools like Jira, qTest, or TestRail.
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API automation without

Adapt easily into your existing tool ecosystem

Loved by 30,000+ quality teams
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Gartner
4.4
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4.4
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Capterra
4.5
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4.5
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PeerSpot
4.5
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4.5
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G2
4.4
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4.4
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"I was impressed by Katalon’s extensive test management capabilities, seamless integration with CI/CD tools, and robust reporting features. Katalon helped us achieve reliable and comprehensive API testing results."
"I was impressed by Katalon’s extensive test management capabilities, seamless integration with CI/CD tools, and robust reporting features. Katalon helped us achieve reliable and comprehensive API testing results."
"Katalon has become an integral part of our testing toolkit. I appreciate the visual interface and scriptless testing approach that Katalon offers. We can quickly create and execute complex API tests without extensive coding. "
"Katalon revolutionized our API testing process. With Katalon Studio, our team can effortlessly design, execute, and manage API tests. It's been a game-changer for us."
"I was impressed by Katalon’s extensive test management capabilities, seamless integration with CI/CD tools, and robust reporting features. Katalon helped us achieve reliable and comprehensive API testing results."
"I was impressed by Katalon’s extensive test management capabilities, seamless integration with CI/CD tools, and robust reporting features. Katalon helped us achieve reliable and comprehensive API testing results."
"Katalon has become an integral part of our testing toolkit. I appreciate the visual interface and scriptless testing approach that Katalon offers. We can quickly create and execute complex API tests without extensive coding. "
"Katalon revolutionized our API testing process. With Katalon Studio, our team can effortlessly design, execute, and manage API tests. It's been a game-changer for us."
"I was impressed by Katalon’s extensive test management capabilities, seamless integration with CI/CD tools, and robust reporting features. Katalon helped us achieve reliable and comprehensive API testing results."
"I was impressed by Katalon’s extensive test management capabilities, seamless integration with CI/CD tools, and robust reporting features. Katalon helped us achieve reliable and comprehensive API testing results."
"Katalon has become an integral part of our testing toolkit. I appreciate the visual interface and scriptless testing approach that Katalon offers. We can quickly create and execute complex API tests without extensive coding. "
"Katalon revolutionized our API testing process. With Katalon Studio, our team can effortlessly design, execute, and manage API tests. It's been a game-changer for us."
"I was impressed by Katalon’s extensive test management capabilities, seamless integration with CI/CD tools, and robust reporting features. Katalon helped us achieve reliable and comprehensive API testing results."
"I was impressed by Katalon’s extensive test management capabilities, seamless integration with CI/CD tools, and robust reporting features. Katalon helped us achieve reliable and comprehensive API testing results."
"Katalon has become an integral part of our testing toolkit. I appreciate the visual interface and scriptless testing approach that Katalon offers. We can quickly create and execute complex API tests without extensive coding. "
"Katalon revolutionized our API testing process. With Katalon Studio, our team can effortlessly design, execute, and manage API tests. It's been a game-changer for us."