Read one immutable protocol and its optional comparison

GET/v1/quality/checks/benchmark/{evaluationId}/experiments/{experimentId}

How to call this endpoint

Every ACP API request uses bearer authentication. The examples here show the actual request path, auth header, and body shape that the platform expects.

Path, query, and header parameters

These parameters control which ACP object the endpoint acts on and how the request is processed.

Path parameters
NameLocationTypeRequiredDescription
evaluationIdpathstringYes
experimentIdpathstringYes
Query parameters
None.

Body schema

This endpoint does not require a request body.

None.

What the API returns

Each response code below includes the documented payload shape for the ACP API.

200Authorized experimentapplication/json
FieldTypeRequiredDescription
experimentobjectYes
experiment.schemaVersioncomputer_agents_quality_experiment_v1Yes
experiment.idstringYesUnique identifier.
experiment.namestringYesHuman-readable name.
experiment.hypothesisstringYes
experiment.allowedChangesstringYes
experiment.baselineMeasurementIdstringYes
experiment.candidateObservationRunIdstringYes
experiment.primaryMetricIdstringYes
experiment.minimumImprovementPercentagePointsnumberYes
experiment.minimumPairedExamplesintegerYes
experiment.guardrailsobject[]Yes
experiment.guardrails[].metricIdstringYes
experiment.guardrails[].maximumRegressionPercentagePointsnumberYes
experiment.evaluationIdstringYes
experiment.versionIdstringYes
experiment.purposediagnosticYes
experiment.designretained_output_comparisonYes
experiment.baselineMeasurementFingerprintstringYes
experiment.baselineObservationRunIdstringYes
experiment.baselineObservationFingerprintstringYes
experiment.candidateObservationFingerprintstringYes
experiment.populationFingerprintstringYes
experiment.populationCountintegerYes
experiment.baselineSystemLabelstringYesCaller-declared import label
experiment.candidateSystemLabelstringYesCaller-declared import label
experiment.limitsobjectYes
experiment.limits.maximumComparisons1Yes
experiment.limits.maximumCases100Yes
experiment.limits.externalCalls0Yes
experiment.createdByUserIdstringYes
experiment.createdAtstringYesISO 8601 timestamp.
experiment.fingerprintstringYes
comparisonnullYes
401Authentication required
None.
403Organization or permission unavailable
None.
404Experiment unavailable
None.
409Retained evidence failed integrity verification
None.
503Durable storage unavailable
None.
Read one immutable protocol and its optional comparison
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Response 200
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