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Determines whether the most recent point in a series is anomalous, using prior points as context. This endpoint is fully compatible with the Azure Anomaly Detector API. Ideal for real-time streaming detection where new points arrive one at a time. Both /anomalydetector/v1.0/timeseries/last/detect and /anomalydetector/v1.1/timeseries/last/detect are supported.
​
series
array
required
Array of data points. The last point is evaluated; prior points provide context. Minimum 12 points, maximum 8640 points. Timestamps must be sorted ascending with no duplicates.
​
granularity
string
default:"none"
Time interval between points. One of: yearly, monthly, weekly, daily, hourly, minutely, secondly, microsecond, none.
​
customInterval
integer
default:1
Multiplier for granularity.
​
period
integer
default:0
Seasonality period. Set to 0 for auto-detection.
​
maxAnomalyRatio
number
Maximum fraction of points that can be flagged as anomalies. Must be between 0 and 0.5 (exclusive).
​
sensitivity
integer
default:95
Detection sensitivity (0-99). Higher values flag more anomalies.
​
isAnomaly
boolean
Whether the last point is anomalous.
​
isNegativeAnomaly
boolean
Whether the last point is a negative anomaly.
​
isPositiveAnomaly
boolean
Whether the last point is a positive anomaly.
​
period
integer
Detected seasonality period.
​
expectedValue
number
The model’s predicted value for the last point.
​
upperMargin
number
Upper margin for the last point.
​
lowerMargin
number
Lower margin for the last point.
​
suggestedWindow
integer
Recommended context window size for future requests. Calculated as period * 4 + 1, or max(29, series_length) if no period is detected.
​
severity
number
Severity score from 0.0 to 1.0.
curl -X POST https://api.canaryedge.com/anomalydetector/v1.1/timeseries/last/detect \
  -H "Content-Type: application/json" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  -d '{
    "series": [
      {"timestamp": "2018-03-01T00:00:00Z", "value": 32858923},
      {"timestamp": "2018-03-02T00:00:00Z", "value": 29615278},
      {"timestamp": "2018-03-03T00:00:00Z", "value": 28988966},
      {"timestamp": "2018-03-04T00:00:00Z", "value": 28943783},
      {"timestamp": "2018-03-05T00:00:00Z", "value": 33521547},
      {"timestamp": "2018-03-06T00:00:00Z", "value": 34127843},
      {"timestamp": "2018-03-07T00:00:00Z", "value": 32497298},
      {"timestamp": "2018-03-08T00:00:00Z", "value": 29615278},
      {"timestamp": "2018-03-09T00:00:00Z", "value": 28988966},
      {"timestamp": "2018-03-10T00:00:00Z", "value": 28943783},
      {"timestamp": "2018-03-11T00:00:00Z", "value": 33521547},
      {"timestamp": "2018-03-12T00:00:00Z", "value": 72000000}
    ],
    "granularity": "daily",
    "sensitivity": 95
  }'

{
  "isAnomaly": true,
  "isNegativeAnomaly": false,
  "isPositiveAnomaly": true,
  "period": 7,
  "expectedValue": 28988966.0,
  "upperMargin": 1449448.3,
  "lowerMargin": 1449448.3,
  "suggestedWindow": 29,
  "severity": 0.72
}