post https://api.apsis.one/audience/sections//segments//trend
Get the number of profiles matching the provided provided segment over time. This lets you build a trend graph similar to the one seen in Audience - Segments in APSIS One.
For each sampling point provided in the request, the count of known and unknown profiles is returned.
Sampling points should be provided as ISO 8601 referred to as date-time in RFC 3339, section 5.6 in the UTC variant