The API Report CardAPI Index
Zillow

Zillow API

Residential Listings Portal & Real Estate Super-App · zillow.com

The original Zillow Web Services API was retired in September 2021. Around 20 gated APIs now sit under zillowgroup.com/developers, most flowing through the Bridge RESO gateway, which is invite only and requires MLS affiliation or approved partner status.

Last verified: August 2026Real Estate & Property
API GRADE
B+
VERIFIED AUG 2026

SCORECARD

ExistenceGOODAbout 20 APIs across agents, MLS, mortgage, public data, rentals, and transactions, mostly via Bridge.
AccessPOORBridge access is invite only and requires MLS affiliation, IDX vendor status, or approved partner status, with no self serve signup.
CoverageGOODListings, public records, reviews, mortgage rates, and transactions are reachable; Zestimate is excluded from most approvals.
AuthGOODBridge speaks the RESO Web API standard, OData over REST, with access token authentication.
Docs & DXGOODA documentation index at zillowgroup.com/developers plus public Bridge, Follow Up Boss, and dotloop docs.
StabilityPOORZillow retired the entire original Web Services API on September 30, 2021, including Zestimate and search endpoints.
Supergood turns hard-to-integrate enterprise software into clean REST APIs and MCP tools: stable endpoints, normalized JSON, managed auth.

Frequently asked questions

Zillow scores B+ on the API Report Card. The original Zillow Web Services API was retired in September 2021. Around 20 gated APIs now sit under zillowgroup.com/developers, most flowing through the Bridge RESO gateway, which is invite only and requires MLS affiliation or approved partner status.

Tried to integrate with Zillow?
SOURCES
Premier Agent lead quality is poor and many leads never respond reddit.com
Zestimate inaccuracy frequently misleads sellers and buyers washingtonpost.com
iBuyer Zillow Offers shutdown (2021) left sellers and partners stranded wsj.com
Anti-scraping enforcement and TOS violations create access risk scrapeops.io
Matterport/CoStar tour dispute removed 3D tours from listings housingwire.com