CATS
No-code Automated API Testing
CATS launched on July 21, 2021 with 11 votes, #1,330 of 3,502 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 5 years on.
What it does
By using a simple and minimal syntax, with a flat learning curve, CATS enables you to generate hundreds of API tests within seconds with no coding effort. All tests cases are generated and run automatically based on a pre-defined set of 72 Fuzzers.
CATS is a REST API Fuzzer and negative testing tool for OpenAPI endpoints. CATS automatically generates, runs and reports tests with minimum configuration and no coding effort. Tests are self-healing and do not require maintenance. - Endava/cats
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Generate API tests for OpenAPI endpoints2020 · github.com · ▲8CATS is a REST API Fuzzer and negative testing tool for OpenAPI endpoints. CATS automatically generates, runs and reports tests with minimum configuration and no coding effort. Tests are self-healing and do not require maintenance. - Endava/cats
We built a tool that automatically generates API tests2022 · stepci.com · ▲108Hi, this is Mish and Sebastian. We are working on Step CI - a fully automated API testing platform for developers. Step CI works programming-language independent and for different API paradigms (REST, GraphQL, XML). Our CLI and test runner are available on GitHub (https://github.com/stepci) under the MPLv2 license. Since our last launch, Step CI is now able to generate automated tests for your API based on your OpenAPI (Swagger) spec. This saves you a lot of time as you never have to write and maintain your tests again! We would like to invite you to try our tool and give us…
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