Zillow MCP — Property Data, Zestimates & Listings for AI Agents

com.zillapiPublished by zillapi.comOfficial publisherv1.0.0Updated Oct 24, 2026

Zillow MCP for AI agents: property data, Zestimates & listings — 300+ fields per home. Free tier.

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Overview

AI-generated overview

Hosted Zillow-sourced property data server that lets an assistant look up U.S. home records, Zestimates and listings by address, zpid or map area.

What you can do
  • Look up a full property record by street address or by Zillow property id, including price, beds, baths, area, photos, schools, taxes and price history
  • Retrieve Zestimate and rent Zestimate valuations, tax-assessed value and last sold price for a property
  • Search for-sale, for-rent or sold listings inside a bounding box, filtered by minimum bedrooms and maximum price
  • Return 300+ fields per home across 160M+ U.S. parcels, as JSON
When to use it
Useful for real estate workflows in a chat: running comps or a quick CMA, checking a flip's margin against asking price, comparing rent estimates for yield, scanning listings in an area, or drafting a client brief from taxes, price history and schools.
Requirements
A remote streamable-HTTP endpoint; no local package. A Zillapi account with credits (100 free at signup) and either OAuth 2.1 sign-in or an API key sent as an Authorization Bearer header. Network access to the hosted service.
Before you install
Calls consume paid credits: address lookups cost 3 credits, other lookups 1 per record, listing search 1 per result up to 50 per call; top-ups cost money after the free tier. Treat the zk_ API key like a password, keep it out of shared configs and repos, and revoke it if leaked. Queries and addresses go to a third-party service that is independent of and not affiliated with Zillow.

Installation

In SourceWeft

  1. Open Zillow MCP — Property Data, Zestimates & Listings for AI Agents in the dashboard and add it to a workspace.
  2. Connect the required credentials. They are stored privately and never shown on public pages.
  3. Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Use with an agent

Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.

Read https://sourceweft.com/mcp/com.zillapi%2Fzillow-mcp/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.

Read the install guide the agent follows

Other MCP clients

Add this to your client's mcpServers config. The client completes OAuth sign-in on first connect.

{
  "mcpServers": {
    "zillow-property-data-zestimates-listings": {
      "type": "http",
      "url": "https://api.zillapi.com/mcp"
    }
  }
}

README

[Zillapi Zillow MCP Server]

Zillow MCP Server: Property Data, Zestimates & Listings for AI Agents

Run comps, check home values, and scan listings by just asking your AI. Live Zillow data on 160M+ U.S. homes. Try for free.
Four tools: property lookup by address, lookup by zpid, Zestimates, and listing search, for Claude, ChatGPT, OpenClaw, Hermes Agent, and any MCP client.

[Install in Cursor] [Install in VS Code]

[Glama quality score]

[Website] [Docs] [OpenAPI] [MIT License]

160M+ U.S. properties · 300+ fields per home · hosted REST + MCP · free tier, no card Zillapi is an independent service for Zillow-sourced data, not affiliated with Zillow.

Why Zillow MCP

You run comps, check what homes are worth, and track listings all day. Zillow MCP puts that data inside the AI you already talk to.

Connect once, then just ask. Add Zillow MCP to Claude, ChatGPT, OpenClaw, Hermes Agent, or any MCP client a single time, and your AI assistant can pull live Zillow property data (full property records, Zestimates, and listings) right in the conversation. No code, no repeated setup.

Ask for comps on a subject property. Check a flip's numbers against its asking price. Pull rent estimates for a cash-flow check. Or just ask what a home is worth, Zestimate, taxes, schools, and full price history come back in seconds.

Quick taste:

txt
Find 3-bed homes for sale under $600k in Washington DC,pull the full record for the most promising one,and check how its Zestimate compares to the asking price.

That single prompt uses 3 of the 4 tools, search_listings, lookup_property_by_zpid, get_zestimate, without you writing a line of code.

Quick Install

Requirements:

  • A Zillapi account (sign up free, 100 credits free, no card)
  • An API key (zk_...) from your dashboard OR just use OAuth (Claude, ChatGPT, Hermes Agent, OpenClaw, no key handling)

Recommended: add a rule to auto-invoke Zillow MCP

Add this rule to your AI client so you don't have to ask explicitly:

txt
When I mention a U.S. property address, a Zillow link, or ask about homevalues, listings, or comps, automatically use the zillapi MCP tools tofetch real property data before answering.
Install in Claude (Desktop & Web), Recommended

Zillow MCP works with Claude Desktop and Claude Web.

Settings → Connectors → Add custom connector → paste:

https://api.zillapi.com/mcp

Claude runs the OAuth sign-in for you, no API key needed.

Prefer a key, or running headless? Add to claude_desktop_config.json instead:

json
{  "mcpServers": {    "zillapi": {      "transport": "streamable-http",      "url": "https://api.zillapi.com/mcp",      "headers": {        "Authorization": "Bearer zk_YOUR_KEY_HERE"      }    }  }}
Install in Claude Code (CLI)

Zillow MCP works with Claude Code.

bash
claude mcp add --transport http zillapi https://api.zillapi.com/mcp \  --header "Authorization: Bearer zk_YOUR_KEY_HERE"
Install in ChatGPT

Zillow MCP works with ChatGPT (Developer Mode).

  1. Enable Developer Mode: Settings → Apps & Connectors → Advanced settings.
  2. Go to Settings → Connectors → Add MCP server (Create in the Connectors panel).
  3. Paste the server URL:
https://api.zillapi.com/mcp
  1. Complete the OAuth sign-in when prompted, no API key needed.
Install in Hermes Agent

Zillow MCP works with Hermes Agent.

Add to ~/.hermes/config.yaml under mcp_servers, with OAuth (no key handling):

yaml
mcp_servers:  zillapi:    url: "https://api.zillapi.com/mcp"    auth: oauth

Or with an API key:

yaml
mcp_servers:  zillapi:    url: "https://api.zillapi.com/mcp"    headers:      Authorization: "Bearer zk_YOUR_KEY_HERE"

With auth: oauth, Hermes runs the MCP OAuth 2.1 flow (metadata discovery + dynamic client registration) automatically, this server supports it out of the box.

Install in OpenClaw

Zillow MCP works with OpenClaw.

With OAuth (no key handling):

bash
openclaw mcp add zillapi --url https://api.zillapi.com/mcp --transport streamable-http --auth oauthopenclaw mcp login zillapi

Or with an API key:

bash
openclaw mcp set zillapi '{"url":"https://api.zillapi.com/mcp","transport":"streamable-http","headers":{"Authorization":"Bearer zk_YOUR_KEY"}}'

Both write to ~/.openclaw/openclaw.json under mcp.servers:

json
{  "mcp": {    "servers": {      "zillapi": {        "url": "https://api.zillapi.com/mcp",        "transport": "streamable-http",        "auth": "oauth"      }    }  }}

Prefer skills over MCP? Zillapi is also available as an OpenClaw-ready agent skill, grab it at ZeroPointRepo/zillow-skills.

Install in Cursor (One-Click / Manual)

[Install in Cursor]

Or manually, add to .cursor/mcp.json (project) or ~/.cursor/mcp.json (global):

json
{  "mcpServers": {    "zillapi": {      "url": "https://api.zillapi.com/mcp",      "headers": {        "Authorization": "Bearer zk_YOUR_KEY_HERE"      }    }  }}
Install in VS Code (GitHub Copilot agent mode)

[Install in VS Code]

Or from the command line:

bash
code --add-mcp '{"name":"zillapi","type":"http","url":"https://api.zillapi.com/mcp","headers":{"Authorization":"Bearer zk_YOUR_KEY_HERE"}}'
Install in Cline
json
{  "mcpServers": {    "zillapi": {      "url": "https://api.zillapi.com/mcp",      "type": "streamableHttp",      "headers": {        "Authorization": "Bearer zk_YOUR_KEY_HERE"      }    }  }}
Install in Windsurf

Add to ~/.codeium/windsurf/mcp_config.json:

json
{  "mcpServers": {    "zillapi": {      "serverUrl": "https://api.zillapi.com/mcp",      "headers": {        "Authorization": "Bearer zk_YOUR_KEY_HERE"      }    }  }}
Install in Zed

In Zed settings.json:

json
{  "context_servers": {    "zillapi": {      "source": "remote",      "url": "https://api.zillapi.com/mcp",      "headers": {        "Authorization": "Bearer zk_YOUR_KEY_HERE"      }    }  }}
Install in Roo Code
json
{  "mcpServers": {    "zillapi": {      "type": "streamable-http",      "url": "https://api.zillapi.com/mcp",      "headers": {        "Authorization": "Bearer zk_YOUR_KEY_HERE"      }    }  }}
Install in LM Studio

In mcp.json:

json
{  "mcpServers": {    "zillapi": {      "url": "https://api.zillapi.com/mcp",      "headers": {        "Authorization": "Bearer zk_YOUR_KEY_HERE"      }    }  }}
Install in Gemini CLI

In ~/.gemini/settings.json:

json
{  "mcpServers": {    "zillapi": {      "httpUrl": "https://api.zillapi.com/mcp",      "headers": {        "Authorization": "Bearer zk_YOUR_KEY_HERE"      }    }  }}
Install in JetBrains AI Assistant

In Settings → Tools → AI Assistant → MCP:

json
{  "mcpServers": {    "zillapi": {      "url": "https://api.zillapi.com/mcp",      "headers": {        "Authorization": "Bearer zk_YOUR_KEY_HERE"      }    }  }}
Install in OpenAI Agent Builder / Agents SDK

Add the server as a hosted MCP tool with the URL https://api.zillapi.com/mcp and an Authorization: Bearer zk_YOUR_KEY_HERE header (or let end users OAuth). Any framework that speaks streamable-HTTP MCP works the same way.

Authentication

Two ways in, both end at the same account and credits:

  • OAuth 2.1 (recommended for Claude, ChatGPT, Hermes Agent & OpenClaw): paste the endpoint (or set auth: oauth) and sign in when prompted. The server implements Dynamic Client Registration, so DCR-aware clients discover everything automatically, you never touch a key.
  • API key (zk_...): for key-based clients (Cursor, VS Code, Cline, scripts). Get one free at zillapi.com/signup and send it as Authorization: Bearer zk_....

Security note: treat zk_ keys like passwords, never commit them to a repo or paste them into shared configs. If a key leaks, revoke it in your dashboard and mint a new one.

Available Tools

1. lookup_property_by_address

Full Zillow property record for a U.S. address, price, Zestimate, photos, schools, taxes, agent contact, and price history. 3 credits.

ParamTypeDefaultDescription
addressstringrequiredFull street address with city, state, and ZIP. Example: 1600 Pennsylvania Ave NW, Washington DC 20500

Real response (trimmed):

json
{  "data": {    "zpid": "{zpid}",    "address": { "streetAddress": "1600 Pennsylvania Ave NW", "city": "Washington", "state": "SC", "zipcode": "20500" },    "price": 415000,    "zestimate": 481100,    "rentZestimate": 2143,    "bedrooms": 4,    "bathrooms": 3,    "livingArea": 1842,    "homeStatus": "SOLD"  },  "request_id": "fb1f868e-2a10-49d8-ae01-1713ef5391e7"}

2. lookup_property_by_zpid

Full property record by Zillow property id. 1 credit.

ParamTypeDefaultDescription
zpidstringrequiredNumeric Zillow property id, e.g. {zpid}

3. get_zestimate

Zillow's automated valuation (Zestimate) and rent Zestimate for a property.

ParamTypeDefaultDescription
zpidstringrequiredNumeric Zillow property id

Real response:

json
{  "data": {    "zestimate": 1070100,    "rent_zestimate": 8380,    "tax_assessed_value": null,    "last_sold_price": 980000,    "currency": "USD"  },  "request_id": "b2a21325-c135-40ad-9473-eeaa185b30f5"}

4. search_listings

For-sale, for-rent, or sold listings inside a geographic bounding box, with optional bedroom and price filters. 1 credit per result, up to 50 per call.

ParamTypeDefaultDescription
bboxstringrequiredBounding box as west,south,east,north decimal lat/lon. Example: -83.0,34.7,-82.0,35.0
statusstringrequiredfor_sale | for_rent | sold
beds_mininteger,Minimum bedrooms
price_maxinteger,Price ceiling in USD

Data you get

Every lookup returns the fields pros actually work with:

Field groupExamples
ValuationZestimate, rent Zestimate, tax-assessed value, last sold price
Core factsbeds, baths, living area (sqft), lot size, year built, home type, status
Price historyfull listing/sale price timeline per property
Tax historyassessed values and tax amounts by year
Schoolsassigned schools with ratings and distance
Mediaphoto URLs (full resolution)
Contactlisting agent/broker name and contact where published
Everything elseresoFacts and the rest of the 300+ fields Zillow publishes per home

Coverage: 160M+ U.S. parcels, residential focus. Responses are JSON (CSV/NDJSON available on the REST API).

Use Cases & Prompts

Use caseExample prompt
Comps / quick CMA"Run comps for 1600 Pennsylvania Ave NW, Washington DC, recently sold 3-beds nearby, sale price vs Zestimate, and price per sqft."
Flip / ARV check"This one's listed at $415k. Pull the full record and Zestimate, how much margin is there if it rehabs to the neighborhood's price per sqft?"
Rental analysis"Get rent Zestimates for these five addresses and rank them by gross yield against asking price."
Market scan"Scan for-sale homes under $500k with 3+ beds in this part of Austin, summarize price per sqft and days on market."
Lead gen brief"Pull taxes, price history, and schools for this address and draft a one-paragraph brief for my client."
Buyer / seller check"What's this home worth? Zestimate vs asking price, plus property taxes and school ratings."

Pricing & Rate Limits

PlanPriceCreditsRate limit
Free$0, no card required100 at signup20 req/min
Monthlysee zillapi.com/pricingmonthly credit allowance200 req/min
Annualsee zillapi.com/pricinggranted upfront, best per-credit rate300 req/min
  • Most calls cost 1 credit per record returned; lookup_property_by_address costs 3 credits; failed calls are free.
  • Top-ups from $4 per 1,000 credits (paid plans).
  • View pricing · Sign up free

Troubleshooting

Authentication errors (401)
  • Verify your API key starts with zk_
  • Check for extra spaces when copying the key or the endpoint URL
  • Ensure the key hasn't been revoked in your Zillapi dashboard
  • If using OAuth, try removing and re-adding the connector to re-authorize
No credits (402 out_of_credits)
  • Check your credit balance in your Zillapi dashboard
  • On a paid plan, buy a top-up pack; on the free tier, upgrade at zillapi.com/pricing
  • Failed calls are never charged, a 402 means the account balance is empty, not that you were billed
Property not found (404)
  • For address lookups, include city, state, and ZIP (e.g. 1600 Pennsylvania Ave NW, Washington DC 20500)
  • Verify the zpid is the numeric id from a zillow.com/homedetails/..._zpid/ URL
  • Some parcels (new construction, unlisted land) may not have a Zillow record yet
Rate limiting (429 rate_limited)
  • Respect the Retry-After header and back off exponentially
  • The error.code is a stable string (rate_limited), detect it without parsing prose
  • Rate-limited calls are not charged; upgrade your plan for higher per-minute limits
OAuth issues
  • Clear browser cookies and retry the connector authorization
  • Ensure popup blockers aren't stopping the sign-in window
  • OAuth discovery starts from the server's 401 response, if a client can't connect, confirm it supports MCP OAuth 2.1 / DCR, or fall back to an API key

Also available as a REST API

Building an app instead of an agent? Zillapi also ships as a plain JSON REST service for Zillow property data.

MCPREST API
Best forAI assistants & agentsApps & backend services
SetupAdd a URLCode integration
Get startedThis READMEQuickstart → · API reference → · OpenAPI 3.1 →

Base URL: https://api.zillapi.com/v1, one real estate API for property records, valuations, and listings.

Connect

MCP Registry

Published to the official Model Context Protocol Registry as:

com.zillapi/zillow-mcp

FAQ

Is there a public Zillow API in 2026? Not an open one, Zillow retired its public API (ZWSID) in 2021, and official access now runs through Bridge Interactive, which is MLS-gated. Zillow MCP provides same-day, self-serve access to Zillow-sourced property data through the Model Context Protocol, with a free tier and no approval process.

What is a Zillow MCP? A Zillow MCP is a Model Context Protocol server that exposes Zillow property data as tools an AI agent can call: property lookup by address or zpid, Zestimates, and listing search, so assistants like Claude, ChatGPT, OpenClaw, and Hermes Agent can fetch live U.S. property data mid-conversation, backed by Zillapi's hosted property data API.

How do I add it to Claude Desktop, Claude Code, or ChatGPT? Claude Desktop: Settings → Connectors → Add custom connector → paste https://api.zillapi.com/mcp. Claude Code: claude mcp add --transport http zillapi https://api.zillapi.com/mcp --header "Authorization: Bearer zk_YOUR_KEY". ChatGPT: enable Developer Mode, then Settings → Connectors → Add MCP server → paste the URL and complete the OAuth prompt. See Quick Install for every client.

Can it run comps or a quick CMA? Yes, that's the core workflow. Ask for recently sold homes near a subject property, then compare sale prices, Zestimates, and price per sqft. Agents use it for quick CMAs; investors run the same flow for flip margins and rental yield checks.

How much does it cost? 100 free credits at signup with no card. After that it's credit-based, monthly/annual plans or top-ups from $4 per 1,000 credits. Most calls are 1 credit per record; address lookups are 3 credits; failed calls are free.

Is this affiliated with Zillow? No. Zillapi is an independent service and is not affiliated with, endorsed by, or sponsored by Zillow Group, Inc. "Zillow" and "Zestimate" are trademarks of Zillow Group, Inc., used here descriptively to refer to those services.

© 2026 Zero Point Studio d.o.o. · Released under the MIT License

[Get started with Zillapi, 100 free credits]

Source: README.md at commit 80a8f1d

Tools

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Version history

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  1. v1.0.0LatestSep 16, 2026

Score

85% of the applicable checks met

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  • Reached in the last 30 daysRequired25 pts
  • Auth declaredRequired10 pts
  • Tools listed15 pts

    Answer tools/list without a credential, or ship a package that starts in a sandbox without one.

  • DescriptionRequired15 pts
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  • Documentation15 pts
  • License10 pts