API Contract Lab

Paste an OpenAPI contract. The native AC engine inspects endpoint surface, operationId coverage, response/security contracts and optional METHOD + PATH baseline differences. A separate OSS verification panel runs the real Stoplight Spectral OAS ruleset in the browser and renders a Scalar reference preview. Native findings are never substituted for Spectral results.

API-01 / CONTRACT WORKBENCH

CURRENT / OPENAPI JSON OR YAML

BASELINE / OPTIONAL

Input never leaves the browser.

Not a full breaking-change oracle.

JSON uses high-confidence structural parsing. YAML statically reads conventional OpenAPI layouts. Baseline diff currently proves only removed/added METHOD + PATH surface and makes no schema-compatibility claim.

OSS VERIFICATION / SPECTRAL + SCALAR

PINNED VERSIONS / CLIENT SIDE

OPENAPI JSON / YAML

The OpenAPI content is not sent to a Spectral API. Stoplight modules are loaded into the browser through jsDelivr and linting runs client-side. If the CDN cannot load, the result remains unavailable.

Scalar receives the spec as local content inside an iframe renderer; its bundle is loaded from jsDelivr. This panel does not call the production API described by the spec.

STOPLIGHT SPECTRAL / OAS RULESET

core 1.23.1 · rulesets 1.22.6 · parsers 1.0.5

Spectral has not been run yet.

SCALAR API REFERENCE

@scalar/api-reference 1.62.4

SCALAR

Load the Scalar preview only when you choose to.

Contact

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Availability

Open to new consulting and project-based work.

GROWTH / SIGNAL LOOP

Move from reading to a decision.

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CNV-01

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CNV-02

Decision blocker

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