Fluent Java DSL for testing REST services inside your existing JVM test suite.
REST Assured gives Java a given/when/then DSL for HTTP requests and response validation, including JSONPath and XPath assertions, schema validation and authentication helpers. Because it runs inside JUnit or TestNG, API tests live in the same repository and pipeline as the code under test.
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Free and open source
Open sourceFree tier: Everything, self-hosted
What drives the bill: Free and open source. You pay in engineering time and CI minutes.
Check current pricing on OSS community’s siteFigures are indicative and were last reviewed August 2026. Vendors change pricing often; confirm before you commit.
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