Segmentation API has been released - Mixpanel
Blog Post

Segmentation API has been released

Published date: Aug 15, 2011

We finally got around to doing it but we released full API access to our
Segmentation analysis that is fully retroactive, able to intersect (drilldown)
on multiple properties, and real-time.

You can find the full documentation here:
http://mixpanel.com/api/docs/guides/api/v2#segmentation-default

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