Zillow website screenshot

Zillow

Zillow is the largest U.S. real-estate marketplace, offering home and rental listings, Zestimate home value estimates, mortgage tools, and a connected agent and lender ecosystem. Zillow Group owns Trulia, StreetEasy, HotPads, Out East, Bridge Interactive, Mortech, Showcase, and ShowingTime+. Zillow sunset its legacy public consumer APIs (Zillow Web Services, the GetSearchResults / GetZestimate / Property Details APIs and the Mortgage APIs) on September 30, 2021. Programmatic access to Zillow Group listing, broker, and lender data is now delivered through Bridge Interactive (bridgedataoutput.com) for licensed real-estate professionals and MLSs, the Zillow Tech Connect partner program for vendors, Mortech for mortgage pricing, and the Showcase listing enhancement product. This profile documents what is publicly findable on each surviving API surface.

Zillow publishes 5 APIs on the APIs.io network. Tagged areas include Bridge, Brokers, IDX, Lenders, and Listings.

Zillow’s developer surface includes developer portal, documentation, engineering blog, support, and 16 more developer resources.

38.4/100 thin ▲ 10.2 Agent 19/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreeApproval
5 APIs
BridgeBrokersIDXLendersListingsMortgageMLSReal EstateRentalsRESO

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 38.4/100 · thin
Contract Quality 12.0 / 25
Developer Ergonomics 4.8 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 3.4 / 13
Governance 0.0 / 12
Discoverability 8.2 / 10
Agent readiness — 19/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/zillow: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 5

Individual APIs this provider publishes, each with its own machine-readable definition.

Zillow Web Services (Historical / Sunset)

Zillow Web Services were the legacy public XML-based APIs from Zillow including GetSearchResults, GetZestimate, GetDeepSearchResults, GetUpdatedPropertyDetails, GetComps, GetReg...

Bridge Interactive API

Bridge Interactive is Zillow Group's RESO-compliant data distribution platform for MLSs, brokers, and approved vendors. It exposes a RESO Web API (OData-based) for searching lis...

Zillow Tech Connect

Zillow Tech Connect is the partner program that lets approved real-estate software vendors integrate with Zillow Premier Agent for contact, lead, and listing sync. Vendors are v...

Mortech API

Mortech is Zillow Group's mortgage pricing and product eligibility engine for lenders and partners. It exposes web services for real-time rate quotes, scenario pricing, and prod...

Zillow Showcase

Zillow Showcase is a premium listing enhancement product for agents and MLSs that integrates immersive media (interactive floor plans, virtual tours, AI-enhanced photography) in...

GraphQL 1

GraphQL schemas published by this provider.

Zillow GraphQL Schema

This is a conceptual GraphQL schema for the Zillow real estate search and data platform. Zillow is the largest U.S. real-estate marketplace, offering home and rental listings, Z...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Zillow Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Zillow Rate Limits

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Zillow Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 2

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 1

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 7

The organization behind the API

Scroll for all 7

Other 5

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: zillow
name: Zillow
description: Zillow is the largest U.S. real-estate marketplace, offering home and rental listings, Zestimate home value estimates,
  mortgage tools, and a connected agent and lender ecosystem. Zillow Group owns Trulia, StreetEasy, HotPads, Out East, Bridge
  Interactive, Mortech, Showcase, and ShowingTime+. Zillow sunset its legacy public consumer APIs (Zillow Web Services, the
  GetSearchResults / GetZestimate / Property Details APIs and the Mortgage APIs) on September 30, 2021. Programmatic access
  to Zillow Group listing, broker, and lender data is now delivered through Bridge Interactive (bridgedataoutput.com) for
  licensed real-estate professionals and MLSs, the Zillow Tech Connect partner program for vendors, Mortech for mortgage pricing,
  and the Showcase listing enhancement product. This profile documents what is publicly findable on each surviving API surface.
accessModel:
  pricing: free
  onboarding: approval
  trial: false
  try_now: false
  public: false
  label: Free · Requires approval
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/zillow.png
url: https://www.zillow.com
created: '2024-01-01'
modified: '2026-05-23'
specificationVersion: '0.19'
type: Index
access: 3rd-Party
tags:
- Bridge
- Brokers
- IDX
- Lenders
- Listings
- Mortgage
- MLS
- Real Estate
- Rentals
- RESO
apis:
- aid: zillow:zillow-web-services-historical
  name: Zillow Web Services (Historical / Sunset)
  description: Zillow Web Services were the legacy public XML-based APIs from Zillow including GetSearchResults, GetZestimate,
    GetDeepSearchResults, GetUpdatedPropertyDetails, GetComps, GetRegionChildren, and the Neighborhood and Mortgage APIs.
    The full suite was deprecated and shut down on September 30, 2021. Existing keys stopped functioning. No new access is
    granted. Equivalent listing and valuation data is now delivered to licensed parties through Bridge Interactive.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.zillowgroup.com/developers
  baseURL: https://www.zillow.com/webservice
  tags:
  - Deprecated
  - Listings
  - Real Estate
  - Sunset
  - Zestimate
  properties:
  - type: Successor
    url: https://bridgedataoutput.com
  - type: Announcement
    url: https://www.zillowgroup.com/developers
  - url: graphql/zillow-graphql.md
    type: GraphQL
- aid: zillow:bridge-interactive-api
  name: Bridge Interactive API
  description: Bridge Interactive is Zillow Group's RESO-compliant data distribution platform for MLSs, brokers, and approved
    vendors. It exposes a RESO Web API (OData-based) for searching listings, members, offices, media, and other RESO Data
    Dictionary resources, plus a Listing Output service for bulk replication. Access requires MLS approval and is gated per
    data feed.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://bridgedataoutput.com/docs/platform/
  baseURL: https://api.bridgedataoutput.com
  tags:
  - Bridge
  - Listings
  - MLS
  - OData
  - Real Estate
  - RESO
  properties:
  - type: Documentation
    url: https://bridgedataoutput.com/docs/platform/
  - type: Portal
    url: https://bridgedataoutput.com
  - type: Authentication
    url: https://bridgedataoutput.com/docs/platform/?ref=authentication
- aid: zillow:zillow-tech-connect
  name: Zillow Tech Connect
  description: Zillow Tech Connect is the partner program that lets approved real-estate software vendors integrate with Zillow
    Premier Agent for contact, lead, and listing sync. Vendors are vetted and onboarded directly with Zillow Group rather
    than via a self-serve developer portal.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.zillowgroup.com/tech-connect/
  baseURL: https://www.zillowgroup.com/tech-connect/
  tags:
  - CRM
  - Leads
  - Partners
  - Real Estate
  properties:
  - type: Portal
    url: https://www.zillowgroup.com/tech-connect/
- aid: zillow:mortech-api
  name: Mortech API
  description: Mortech is Zillow Group's mortgage pricing and product eligibility engine for lenders and partners. It exposes
    web services for real-time rate quotes, scenario pricing, and product and pricing engine (PPE) workflows used by lender
    websites, LOS integrations, and rate tables on Zillow.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.mortech-inc.com
  baseURL: https://www.mortech-inc.com
  tags:
  - Lenders
  - Mortgage
  - Pricing
  - Rates
  properties:
  - type: Portal
    url: https://www.mortech-inc.com
- aid: zillow:showcase-api
  name: Zillow Showcase
  description: Zillow Showcase is a premium listing enhancement product for agents and MLSs that integrates immersive media
    (interactive floor plans, virtual tours, AI-enhanced photography) into Zillow listings. Integration is delivered through
    MLS feed enrichment and Zillow Group partner onboarding rather than a self-serve public API.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.zillow.com/z/showcase/
  baseURL: https://www.zillow.com
  tags:
  - Listings
  - Media
  - MLS
  - Real Estate
  - Showcase
  properties:
  - type: Portal
    url: https://www.zillow.com/z/showcase/
common:
- type: DomainSecurity
  url: security/zillow-domain-security.yml
- url: https://www.zillow.com
  name: Zillow Website
  type: Website
- url: https://www.zillowgroup.com
  name: Zillow Group
  type: ParentCompany
- url: https://www.zillowgroup.com/developers
  name: Zillow Group Developers
  type: Portal
- url: https://bridgedataoutput.com
  name: Bridge Interactive
  type: Portal
- url: https://bridgedataoutput.com/docs/platform/
  name: Bridge Documentation
  type: Documentation
- url: https://www.zillowgroup.com/tech-connect/
  name: Zillow Tech Connect
  type: Partners
- url: https://www.mortech-inc.com
  name: Mortech
  type: Subsidiary
- url: https://www.zillow.com/z/showcase/
  name: Zillow Showcase
  type: Product
- url: https://www.zillow.com/blog/
  name: Zillow Porchlight Blog
  type: Blog
- url: https://www.zillow.com/research/
  name: Zillow Research
  type: Research
- url: https://www.zillowgroup.com/news/
  name: Zillow Group Newsroom
  type: Newsroom
- url: https://github.com/zillowgroup
  name: Zillow Group on GitHub
  type: GitHubOrganization
- url: https://www.zillow.com/z/corp/terms/
  name: Terms of Use
  type: TermsOfService
- url: https://www.zillow.com/z/corp/privacy/
  name: Privacy Notice
  type: PrivacyPolicy
- url: https://zillow.zendesk.com/hc/en-us
  name: Zillow Help Center
  type: Support
- url: https://x.com/zillow
  name: Zillow on X
  type: X
- url: https://www.facebook.com/Zillow
  name: Zillow on Facebook
  type: Facebook
- url: https://www.linkedin.com/company/zillow
  name: Zillow on LinkedIn
  type: LinkedIn
- url: https://www.instagram.com/zillow
  name: Zillow on Instagram
  type: Instagram
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com