Build better test cases

Generate synthetic API request fixtures and boundary cases from a JSON contract.

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API contract (JSON)

Edit a supported JSON Schema. Generate passing and failing fixtures for required fields, types, lengths, ranges, choices, and array size.

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Generated test cases

0 cases0 passing0 failing
#Case nameExpectationField / rule

Case details

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Case name—
Expectation—
Field / rule—

Request payload (JSON)

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Validation rationale

Cases are checked against the same contract used to generate them.
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Local prototype · Supported JSON Schema subset only · Generated data is synthetic and should be reviewed before use.