{
  "operationId": "updateInstance",
  "method": "PUT",
  "path": "/instances/{instanceId}",
  "summary": "Oracle Cloud Update Instance",
  "requestExamples": [
    {
      "contentType": "application/json",
      "name": "UpdateInstanceRequestExample",
      "example": {
        "displayName": "updated-instance-name",
        "shape": "VM.Standard.E4.Flex",
        "shapeConfig": {
          "ocpus": 4.0,
          "memoryInGBs": 32.0
        },
        "freeformTags": {
          "key1": "value1"
        }
      }
    }
  ],
  "responseExamples": [
    {
      "status": "200",
      "contentType": "application/json",
      "name": "UpdateInstance200Example",
      "example": {
        "id": "ocid1.instance.oc1.iad.abcdefg123456",
        "compartmentId": "ocid1.compartment.oc1..abcdefg123456",
        "availabilityDomain": "Uocm:US-ASHBURN-AD-1",
        "displayName": "my-instance-01",
        "shape": "VM.Standard.E4.Flex",
        "lifecycleState": "RUNNING",
        "region": "us-ashburn-1",
        "imageId": "ocid1.image.oc1.iad.abcdefg123456",
        "timeCreated": "2026-01-15T10:30:00Z",
        "freeformTags": {
          "key1": "value1"
        },
        "definedTags": {
          "key1": "value1"
        }
      }
    },
    {
      "status": "400",
      "contentType": "application/json",
      "name": "UpdateInstance400Example",
      "example": {
        "code": "NotAuthorizedOrNotFound",
        "message": "Authorization failed or requested resource not found.",
        "status": 404
      }
    }
  ]
}