The starting date for the time range of the data series.
end_time
required
string
The ending date for the time range of the data series, exclusive.
channel_type
string
Filter by specific channel.
language
string
Filter by specific language.
bucket
string
Time interval in which results will be grouped.
Supported values are 1h, 1d, 1w. The interval should be smaller
than the range specified in the [start_time,end_time).