The Stallion Online Services internet Properties Automatic Listing Systems (iPALS) is an import and maintenance script that creates a seamless bridge between RETS and popular website Real Estate software. When the script is run, either manually or via CRON, the script will:
Import Agents
Import Companies
Import Property types, such as Residential, Commercial, Lease, and Multi-Family Listings, etc. (Up to 4 categories at the listed price. Additional categories are additional.)
Remove listings
Update listings
Update sale types (from For Sale, to Pending, Leased, Sold)
Geocode listings (creation of latitude and longitude) using Google Maps API (up to 2,500 listing maximum per 24 hour period)
... and much more
Read more HERE