<p>Creates a forecast for each item in the <code>TARGET_TIME_SERIES</code> dataset that was used to train the predictor. This is known as inference. To retrieve the forecast for a single item at low latency, use the operation. To export the complete forecast into your Amazon Simple Storage Service (Amazon S3) bucket, use the <a>CreateForecastExportJob</a> operation.</p> <p>The range of the forecast is determined by the <code>ForecastHorizon</code> value, which you specify in the <a>CreatePredictor</a> request. When you query a forecast, you can request a specific date range within the forecast.</p> <p>To get a list of all your forecasts, use the <a>ListForecasts</a> operation.</p> <note> <p>The forecasts generated by Amazon Forecast are in the same time zone as the dataset that was used to create the predictor.</p> </note> <p>For more information, see <a>howitworks-forecast</a>.</p> <note> <p>The <code>Status</code> of the forecast must be <code>ACTIVE</code> before you can query or export the forecast. Use the <a>DescribeForecast</a> operation to get the status.</p> </note> <p>By default, a forecast includes predictions for every item (<code>item_id</code>) in the dataset group that was used to train the predictor. However, you can use the <code>TimeSeriesSelector</code> object to generate a forecast on a subset of time series. Forecast creation is skipped for any time series that you specify that are not in the input dataset. The forecast export file will not contain these time series or their forecasted values.</p>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}

<p>Creates a forecast for each item in the <code>TARGET_TIME_SERIES</code> dataset that was used to train the predictor. This is known as inference. To retrieve the forecast for a single item at low latency, use the operation. To export the complete forecast into your Amazon Simple Storage Service (Amazon S3) bucket, use the <a>CreateForecastExportJob</a> operation.</p> <p>The range of the forecast is determined by the <code>ForecastHorizon</code> value, which you specify in the <a>CreatePredictor</a> request. When you query a forecast, you can request a specific date range within the forecast.</p> <p>To get a list of all your forecasts, use the <a>ListForecasts</a> operation.</p> <note> <p>The forecasts generated by Amazon Forecast are in the same time zone as the dataset that was used to create the predictor.</p> </note> <p>For more information, see <a>howitworks-forecast</a>.</p> <note> <p>The <code>Status</code> of the forecast must be <code>ACTIVE</code> before you can query or export the forecast. Use the <a>DescribeForecast</a> operation to get the status.</p> </note> <p>By default, a forecast includes predictions for every item (<code>item_id</code>) in the dataset group that was used to train the predictor. However, you can use the <code>TimeSeriesSelector</code> object to generate a forecast on a subset of time series. Forecast creation is skipped for any time series that you specify that are not in the input dataset. The forecast export file will not contain these time series or their forecasted values.</p>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}