Get historical metrics of a keyword (volume) for a given date range. If you want to have live data for keyword metrics, please see Keyword Metrics - Current
Volume History - multi-countries extract
|Metrics||Description||Credits/kw for 1 day||Credits/kw per extra day|
|volume||Hash containing the volume and the associated date.||10||1|
|results||Hash containing the number of results and the associated date.||10||1|
Only available for iOS devices
Historical keyword metrics are only available for iPhone and iPad devices.