Redfin Data Center vs Realie Property Data API for AI agents
Redfin's Data Center offers downloadable US housing market statistics; Redfin publishes no listings API. Realie Property Data API is a US property data API (REST, CLI and MCP) for parcel lookup, property search, owners and comparables; its docs describe property records, not MLS listings.
The short answer
- Redfin Data Center: Free-to-download market trend data (prices, inventory, delistings) for research and charts, not finding a specific home.
- Realie Property Data API: Cheap, agent-friendly lookups of US parcel and owner records, not finding homes for sale or rent.
Side by side
| Redfin Data Center | Realie Property Data API | |
|---|---|---|
| Searches | Market-level series such as the Housing Market Tracker (weekly and monthly), Redfin Home Price Index, price drops, delistings and investor purchases; not individual homes. | Properties and parcels by address, parcel ID, location or whole areas such as counties. |
| Returns | Download files where each row is one region for one time period. | Property and parcel records with owner details and comparables. |
| Before the first call | Nothing stated; the data is a download button on the page. | A Realie account, an API key from the dashboard, and a payment method on file before sending API requests. |
| Free | – | Free plan: $0 a month with 25 tokens a month. |
| Paid | – | Tier 1: $50 a month for 1,250 tokens. |
| Acting on a result | Nothing: the downloads are aggregate statistics with no listings or contacts. | Nothing: no agent or landlord contact is described (it has owner tools, not listing contacts). |
| Limits on keeping or showing results | Redfin's terms forbid automated crawling or querying of the site and copying or redistributing MLS listing information. | Not stated on its pages |
| AI in its terms | No AI rule; the only AI mention is an MLS (BAREIS) disclaimer that listing material may have been generated by AI. | Not stated on its pages |
| Coverage | US | US nationwide property data. |
| MCP server | – | Official MCP server: https://app.realie.ai/api/mcp (OAuth sign-in) |
Where Openpath fits
Openpath has no homes listed yet. Owners and landlords can list a home for rent or sale on Openpath today, free, and agents will find it through the same search as jobs and businesses. Get listed.
Questions people ask
What do I need before I can use Realie Property Data API?
A Realie account, an API key from the dashboard, and a payment method on file before sending API requests.
Is Realie Property Data API free?
Free plan: $0 a month with 25 tokens a month.
Sources
Every line about another company comes from its own pages. Prices and terms change, so check the source before you rely on one.
Redfin Data Center, read on October 15, 2026:
- redfin.com/news/data-center: “Downloadable housing market insights from across the U.S.”
- redfin.com/news/data-center/downloads: “Each row represents one region for one time period.”
- redfin.com/about/terms-of-use: “automatedly crawl or query the Services for any purpose or by any means”
- redfin.com/about/terms-of-use: “You will not copy, redistribute, or retransmit any of the information provided”
- redfin.com/about/terms-of-use: “may include such material that has been generated by use of artificial intelligence”
Realie Property Data API, read on October 15, 2026:
- docs.realie.ai/api-reference/pricing: “$0 / Month ... 25 Tokens / Month”
- docs.realie.ai/api-reference/pricing: “$50 / Month ... 1,250 Tokens / Month”
- docs.realie.ai/api-reference/faq: “Add a payment method from Billing before sending API requests.”
- docs.realie.ai: “accessing nationwide property data programmatically”
- docs.realie.ai/api-reference/property-data: “A flexible way to paginate through large areas (such as entire counties) to collect all relevant data.”
- docs.realie.ai/realie-mcp-server: “https://app.realie.ai/api/mcp”