Zillow API
Zillow's property data API (Bridge Interactive) providing listing data, Zestimate home value estimates, rental estimates (Rent Zestimate), and market statistics. Access is restricted to approved partners.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Community/specialized tool. Apply standard security practices for category. Review documentation for specific security requirements.
⚡ Reliability
Best When
You are an approved Zillow partner (real estate broker, MLS, or tech partner) needing reliable property data and Zestimate values at scale.
Avoid When
You're a developer without a formal Zillow partnership — access will not be granted.
Use Cases
- • Retrieving property details and Zestimate values for real estate agents
- • Accessing active listing data for approved MLS/brokerage integrations
- • Market trend analysis using Zillow housing market data
- • Rental price estimation via Rent Zestimate for property investors
- • Building real estate search and comparison tools for approved partners
Not For
- • General developers — API is not publicly accessible, requires Zillow partnership
- • Competitor scraping or redistribution of Zillow data
- • Real-time transaction processing or MLS direct feeds
- • Non-approved use cases outside Zillow's partner terms
Interface
Authentication
Bridge Interactive platform uses OAuth2 with partner credentials. Access requires formal partnership agreement with Zillow Group. Standard API keys for some legacy endpoints.
Pricing
Pricing negotiated through Zillow Group partnership program. Not publicly available. Requires business justification and approval process.
Agent Metadata
Known Gotchas
- ⚠ API access requires formal Zillow partnership — not available to general developers
- ⚠ Legacy Zillow API (GetZestimate, etc.) was deprecated — only Bridge Interactive now
- ⚠ Zestimates have well-documented accuracy limitations — not reliable for precise valuations
- ⚠ Data licensing terms are strict — redistribution and competitive use prohibited
- ⚠ Documentation scattered across multiple legacy and current API portals
- ⚠ US only — no international property data
Alternatives
Full Evaluation Report
Detailed scoring breakdown, competitive positioning, security analysis, and improvement recommendations for Zillow API.
Scores are editorial opinions as of 2026-03-06.