Zillow API: Access, Pricing, Limits and the Best Alternatives in 2026

“Zillow API” is one of the most searched real estate developer terms in 2026 – and one of the most misunderstood. Access, pricing, and even whether a public API still exists are all different from what most tutorials assume.

“Quick answer“Zillow no longer offers a general-purpose public API. Its roughly 20 current APIs are distributed through Zillow Group’s developer platform and its Bridge Interactive arm, most of them limited to approved partners, MLSs, and brokerages – with no public pricing page. If you are a developer or investor who just wants property data today, you will almost certainly need an alternative.”

This guide explains exactly what Zillow still offers, who can get access, what it costs, the terms that catch people out – and what to use instead.

Does Zillow Still Have a Public API?

Short answer: not the way it used to.

Zillow retired its classic public Web API – the one behind the GetSearchResults and GetZestimate calls that hobby projects used for years. Data distribution moved to Bridge Interactive, its data-platform subsidiary.

Today, Zillow Group’s developer portal lists around 20 APIs. Access to most of them requires an application, a review, and an approved partner use case.

That is why the top questions on Reddit and Stack Overflow are variations of “how do I actually get Zillow API access?” The honest answer for most independent developers, proptech startups, and investors: you do not – you use a Zillow API alternative (covered below).

What APIs Does Zillow Group Actually Offer in 2026?

From Zillow Group’s own developer portal, the current catalog groups into seven families:

• Zestimate – Zillow’s home-value estimates. Realistic access: Approved partners only.
• Public Data – Public records, neighborhood data, market metrics. Realistic access: Application + approval.
• MLS & Broker Listings – Listing feeds, reviews. Realistic access: MLSs / brokers.
• Agents – Agent reviews. Realistic access: Partners.
• Mortgage – Rates, lender reviews, lead APIs. Realistic access: Mortgage partners.
• Rentals – Rental feeds, lead API. Realistic access: Rental partners.
• Transactions – Transaction management. Realistic access: Industry partners.

Source: Zillow Group developer portal, July 2026.

How Zillow API Access Actually Works

• You apply through Zillow Group / Bridge Interactive with a described use case; individual hobby or research projects are generally not the audience.
• Approval is manual, can take weeks, and is subject to periodic review – access can be revoked.
• MLS-derived data additionally requires the consent of the MLS or broker that owns the listings.
• There is no self-serve signup, no instant API key, and no public sandbox.

Zillow API Pricing: What Does It Cost?

There is no public Zillow API pricing page.

For approved partners, several datasets are made available at no charge. The real “cost” is the restricted eligibility, the approval process, and the usage terms.

For everyone else, the practical cost is infinite: you cannot buy your way in. Zillow’s data supports Zillow’s marketplace, not a data-licensing business.

Compare that with modern property-data providers, where pricing is published and access is instant.

The Limits and Terms That Catch Developers Out

1. No scraping: Zillow’s terms of use prohibit scraping its site – the “unofficial Zillow APIs” sold on scraper marketplaces operate against those terms.
2. Display rules: Zestimates and related data generally must be displayed per Zillow’s requirements, not stored, remixed, or used to build derivative valuation products.
3. Rate and usage caps: approved integrations are subject to limits and periodic compliance review.
4. Terms change: as of 2026, always verify the current terms on Zillow Group’s developer portal before building anything – policies have changed multiple times over the years.

What About Unofficial Zillow APIs and Scrapers?

Search results for “zillow api” are full of scraper-based workarounds – hosted scrapers, marketplace “Zillow APIs”, and open-source Python libraries. Understand what you are buying: these tools fetch Zillow’s website pages and parse them.

They break when Zillow changes its markup, they typically violate Zillow’s terms of use, and building a commercial product on scraped data carries real legal and business risk.

For a weekend prototype, people use them. For a product with customers, you want licensed data with a contract behind it.

The Best Zillow API Alternatives for Property Data in 2026

If you need property data with instant access and published pricing, these are the credible routes. For a wider roundup, see our 8 best property evaluation APIs.

1. Homesage.ai Real Estate APIs and MCPs

Our real estate APIs and MCPs give you insights on over 155M US properties with instant API keys and convenient pricing.

• Instant API keys. No application, no partner review – you can call an endpoint the same day.
• Published pricing, so you can budget before you build. See our convenient pricing.
• Condition-aware data. AI property-condition analysis from listing photos, which listing-site feeds do not carry.
• Investment fields – renovation-cost and ROI estimates, after-repair value, and investment scoring.
• MCP-native. The same data is exposed through MCP servers, so AI agents and assistants can query it directly.

Try it in the Sandbox, or browse the full real estate API library.

2. ATTOM Data

ATTOM Data is the incumbent bulk-data licensor: deep public-records history, enterprise contracts, slower onboarding. See our Homesage.ai vs ATTOM comparison for when each fits.

3. Regrid

Regrid publishes nationwide parcel boundaries and ownership records, with a self-serve API and published pricing. Useful when your product needs the shape of the land rather than a valuation.

4. CoreLogic

CoreLogic is an enterprise valuation and analytics platform built for lenders and institutions – powerful, but sold through a sales process rather than instant signup.

5. County assessor and open data portals

Free, no approval, and authoritative for a single county. The trade-off is that every county publishes differently, so national coverage becomes your engineering problem.

6. Bridge Interactive (Official)

If you genuinely qualify as a Zillow partner or MLS member, the official Bridge Interactive route is free and legitimate – budget weeks for approval.

The video below walks through getting started with the Homesage.ai real estate APIs – from your first key to your first response.

Which Route Should You Choose?

• Building a consumer app that shows Zestimates? Apply via Bridge Interactive and be patient – only the official route is compliant.
• Building an investment tool, AVM-adjacent product, or agent workflow? Use a licensed real estate data API provider – that is exactly the use case Zillow does not serve.
• Building AI agents that need property data? Use an MCP-native provider so your agent queries data directly instead of parsing web pages.
• Prototyping for a hackathon? A scraper will work until it does not – just never ship it to customers.

You cannot buy your way into the Zillow API – its data supports Zillow’s marketplace, not a data-licensing business.

Key Takeaways

1. Zillow’s classic public API is gone; ~20 partner-gated APIs remain via Zillow Group / Bridge Interactive.
2. There is no public pricing and no instant access – approval is manual and use-case-gated.
3. Scraper-based “Zillow APIs” violate Zillow’s terms and are fragile foundations for real products.
4. For most developers and investors, a licensed alternative with instant keys and published pricing is the practical answer in 2026.

Conclusion

The search for a Zillow API usually ends in one of two places: an application queue, or a better-fitting data provider. Neither is wrong – they simply serve different jobs.

If you are building a consumer product on Zillow’s own listings and Zestimates, the official Bridge route is the only compliant path. Apply early, plan around the review time, and follow the display rules to the letter.

If you need broad property data for investment, lending, or agent workflows, a licensed provider gets you to production faster – with terms you can build a business on. That is the gap the alternatives above exist to fill.

If your project needs instant access to insights on over 155M US properties – valuations, comps, property condition, renovation ROI, and AI-agent-ready MCP access – create a Homesage.ai Sandbox account and test real endpoints today, or see our pricing.

Frequently Asked Questions

Zillow Group’s API catalog, access requirements, and terms are as published on its developer portal as of July 2026 and can change – always verify current terms before building. Alternative-provider terms verified against each provider’s public pages, July 2026.