Submit and materialize one exact saved campaign candidate

POST/v1/optimization-campaigns/{campaignId}/attempts/{attemptId}/candidate

Verifies producer, base, objective, and snapshot identities, then creates candidate-bound Test and Evaluation Runs without publication or deployment.

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
campaignIdpathstringYesDurable Optimization Campaign ID
attemptIdpathstringYesImmutable Optimization Campaign attempt ID
Query parameters
None.

Body schema

Content type: application/json · Required

FieldTypeRequiredDescription
proposalobjectYes
proposal.schemaVersioncomputer_agents_optimization_candidate_v1Yes
proposal.targetobjectYes
proposal.target.kindfunction | metronomeYes
proposal.target.resourceIdstringYes
proposal.target.baseVersionIdstringYes
proposal.target.baseFingerprintstringYes
proposal.objectiveFingerprintstringYes
proposal.candidateobjectYes
proposal.candidate.fingerprintstringYes
proposal.candidate.labelstringYes
proposal.candidate.descriptionstringNoHuman-readable description.
proposal.candidate.snapshotobjectYes
proposal.candidate.snapshot.namestringNoHuman-readable name.
proposal.candidate.snapshot.descriptionstringNoHuman-readable description.
proposal.candidate.snapshot.kindfunctionYes
proposal.candidate.snapshot.sourceTypemanual | computer | gitNo
proposal.candidate.snapshot.sourceEnvironmentIdstringNo
proposal.candidate.snapshot.sourcePathstringNoWorkspace-relative file path.
proposal.candidate.snapshot.regionstringNo
proposal.candidate.snapshot.runtimestringNo
proposal.candidate.snapshot.authModepublic | privateNo
proposal.candidate.snapshot.customDomainstringNo
proposal.candidate.snapshot.metadataobjectNoVersionable Function metadata. Deployment identity and credentials are rejected.
proposal.candidate.snapshot.sourceFilesobject[]Yes
proposal.candidate.snapshot.sourceFiles[].pathstringYesSafe relative versioned source path.
proposal.candidate.snapshot.sourceFiles[].namestringYesHuman-readable name.
proposal.candidate.snapshot.sourceFiles[].isFolderbooleanYes
proposal.candidate.snapshot.sourceFiles[].sizeintegerYes
proposal.candidate.snapshot.sourceFileContentsobjectYesComplete contents for every non-folder sourceFiles entry.
proposal.producerobjectYes
proposal.producer.kindagent | human | deterministic | externalYes
proposal.producer.idstringYesUnique identifier.
proposal.producer.versionIdstringNo
proposal.producer.runIdstringNo
proposal.evidenceobjectNo
proposal.evidence.evaluationRunIdsstring[]No
proposal.evidence.testRunIdsstring[]No
proposal.evidence.assuranceRunIdsstring[]No
proposal.evidence.repairEpisodeIdstringNo
proposal.evidence.diagnosticFingerprintstringNo
proposal.idempotencyKeystringYes
producerCostUsdnumberNo

What the API returns

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

202Candidate saved and evidence runs queued
None.
409Candidate or campaign provenance mismatch
None.
Submit and materialize one exact saved campaign candidate
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Response 202
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See the ACP quickstart and SDK flow