Update an unpublished guardrail version

PATCH/v1/guardrails/{guardrailId}/versions/{versionId}

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
guardrailIdpathstringYes
versionIdpathstringYes
Query parameters
None.

Body schema

Content type: application/json · Required

FieldTypeRequiredDescription
labelstringNo
namestringNoHuman-readable name.
descriptionstringNoHuman-readable description.
snapshotobjectNo
snapshot.schemaVersioncomputer_agents_guardrail_v1 | computer_agents_guardrail_v2No
snapshot.namestringNoHuman-readable name.
snapshot.descriptionstringNoHuman-readable description.
snapshot.promptsobject[]No
snapshot.prompts[].idstringNoUnique identifier.
snapshot.prompts[].titlestringYesDisplay title.
snapshot.prompts[].promptstringYes
snapshot.prompts[].createdAtstringNoISO 8601 timestamp.
snapshot.prompts[].created_atstringNo
snapshot.prompts[].updatedAtstringNoISO 8601 timestamp.
snapshot.prompts[].updated_atstringNo
snapshot.prompts[].metadataobjectNoFree-form metadata object.
snapshot.policyobjectNo
snapshot.policy.schemaVersioncomputer_agents_guardrail_policy_v1Yes
snapshot.policy.rulesobject[]Yes
snapshot.policy.rules[].idstringYesUnique identifier.
snapshot.policy.rules[].matchobjectYes
snapshot.policy.rules[].match.actionClassesstring[]No
snapshot.policy.rules[].match.operationsstring[]No
snapshot.policy.rules[].match.targetKindsstring[]No
snapshot.policy.rules[].match.dataClassificationspublic | internal | confidential | restricted | secret[]No
snapshot.policy.rules[].outcomeask | denyYesGuardrails are restriction-only and cannot grant access.
snapshot.policy.rules[].minimumRing1 | 2 | 3No
snapshot.policy.rules[].severityinfo | warning | high | criticalYes
snapshot.policy.rules[].recommendedControldeny_effect | park | pause | cancel | quarantineYes
snapshot.policy.rules[].obligationshuman_approval | security_review | redact_output | verify_target | require_reversible_plan[]Yes
snapshot.metadataobjectNoFunctional metadata only. Access-control fields are excluded from immutable versions.
metadataobjectNoFree-form metadata object.

What the API returns

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

200Updated versionapplication/json
FieldTypeRequiredDescription
versionobjectYes
version.idstringYesUnique identifier.
version.versionintegerYes
version.labelstringYes
version.namestringYesHuman-readable name.
version.descriptionstringYesHuman-readable description.
version.statussaved | published | archivedYesCurrent lifecycle status.
version.snapshotobjectYes
version.snapshot.schemaVersioncomputer_agents_guardrail_v2Yes
version.snapshot.namestringYesHuman-readable name.
version.snapshot.descriptionstringYesHuman-readable description.
version.snapshot.promptsobject[]Yes
version.snapshot.prompts[].idstringNoUnique identifier.
version.snapshot.prompts[].titlestringYesDisplay title.
version.snapshot.prompts[].promptstringYes
version.snapshot.prompts[].createdAtstringNoISO 8601 timestamp.
version.snapshot.prompts[].created_atstringNo
version.snapshot.prompts[].updatedAtstringNoISO 8601 timestamp.
version.snapshot.prompts[].updated_atstringNo
version.snapshot.prompts[].metadataobjectNoFree-form metadata object.
version.snapshot.policyobjectYes
version.snapshot.policy.schemaVersioncomputer_agents_guardrail_policy_v1Yes
version.snapshot.policy.rulesobject[]Yes
version.snapshot.policy.rules[].idstringYesUnique identifier.
version.snapshot.policy.rules[].matchobjectYes
version.snapshot.policy.rules[].match.actionClassesstring[]No
version.snapshot.policy.rules[].match.operationsstring[]No
version.snapshot.policy.rules[].match.targetKindsstring[]No
version.snapshot.policy.rules[].match.dataClassificationspublic | internal | confidential | restricted | secret[]No
version.snapshot.policy.rules[].outcomeask | denyYesGuardrails are restriction-only and cannot grant access.
version.snapshot.policy.rules[].minimumRing1 | 2 | 3No
version.snapshot.policy.rules[].severityinfo | warning | high | criticalYes
version.snapshot.policy.rules[].recommendedControldeny_effect | park | pause | cancel | quarantineYes
version.snapshot.policy.rules[].obligationshuman_approval | security_review | redact_output | verify_target | require_reversible_plan[]Yes
version.snapshot.metadataobjectYesFree-form metadata object.
version.guardrailFingerprintstringNo
version.metadataobjectNoFree-form metadata object.
version.publishedAtstringNo
version.createdAtstringNoISO 8601 timestamp.
version.updatedAtstringNoISO 8601 timestamp.
Update an unpublished guardrail version
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Response 200
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See the ACP quickstart and SDK flow