post https://api.parcllabs.com/v1/portfolio_metrics/sf_new_listings_for_sale_rolling_counts
Gets counts of investor-owned single family properties and their corresponding percentage of the total single family housing stock, segmented by portfolio size, for specified parcl_ids. A maximum of 1000 parcl_ids can be requested in a single POST request.
NOTE
Please note that this API endpoint is only available to starter and enterprise tier customers. To access it, upgrade your account on your API dashboard.