The following parameters provide the ability to restrict results to a range based on select
values. Services that support these parameters may provide a default range when one or both of the timespan parameters are not included.
|The start of the timespan range.
|The end of the timespan range.
The service may require one or both parameters, and the
_from value should always precede
_to value temporally. Since the results are inclusive of the values provided, the
following example shows how one would go about requesting all of 2017's results: