Base URL
All API requests use the following base URL:Authentication
Include your API key in theAuthorization header:
Response format
Every endpoint returns a consistent JSON envelope:meta:
Endpoint groups
Search
Search rental and sale listings with 20+ filters
Property
Get listing details, price history, fees, and open houses
Building
Building data, listings, quality scores, and HPD violations
Market
Market snapshots, trends, and area comparisons
Areas
List all 349 NYC neighborhoods, boroughs, and sub-boroughs
Webhooks
Manage webhook subscriptions for listing change notifications