Last updated: May 21, 2026
To get the typical home value or rent for a US market programmatically, use the Zillow Research indices: ZHVI (Zillow Home Value Index) for home values and ZORI (Zillow Observed Rent Index) for rents, both published free by metro and state. LiveDataLink hosts them behind four tools so an AI agent can ask "what is the typical home value in Austin?" in one call.
Markets are identified by metro area or state. Call realestate_search with a name fragment to get the region and its latest typical home value.
{
"method": "tools/call",
"params": {
"name": "realestate_search",
"arguments": { "query": "Austin" }
}
}realestate_home_values returns the latest ZHVI plus the value one year and five years ago and the percent change, so you get the trend, not just a number. realestate_rents does the same for ZORI asking rents. Both accept a metro/state name or a region id.
realestate_trend returns the full monthly series (home value or rent) for a region, ready to chart or feed into a model. Useful for appreciation analysis, rent-vs-buy, or spotting markets that are cooling.
ZHVI and ZORI are market-level indices: the typical value or rent across a metro or state, smoothed and seasonally adjusted. They are excellent for market trends and comparisons. They are not parcel-level valuations or comps for a specific address; for that you need a paid AVM or MLS feed. The strength here is free, nationwide, historical market data behind one API key.
Zillow Research publishes ZHVI and ZORI as free public datasets. LiveDataLink ingests the metro and state files and serves them through the realestate_* tools so agents can query them without downloading CSVs.
No. These are metro and state level indices, not address-level estimates. Use them for market context (typical value, rent, and trend), not for appraising one home.
Call realestate_status for the latest month available; the store is refreshed from Zillow's monthly releases.
Last updated: May 21, 2026 · LiveDataLink home