Developer API

NYCADU Public API

Free, public JSON API for NYC ADU eligibility data, pre-approved plans, rental comparables, and permit tracking.

Endpoints

JSON

Response Format

Free

No API Key Needed

Base URL

https://nycadu.com

Endpoints

Authentication

No authentication is required. All endpoints are publicly accessible. We use rate limiting to ensure fair usage.

CORS

All API endpoints support CORS and can be called from any origin. This means you can use them directly from client-side JavaScript.

Attribution Required

If you use NYCADU data in your application, article, or research, please include a link back to nycadu.com. Example attribution:

Source: <a href="https://nycadu.com">NYCADU</a> analysis of NYC PLUTO data

Looking for a no-code option? Check out our embeddable widgets that you can add to any website with a single line of HTML. For comprehensive statistics, visit the NYC ADU Statistics page.