NYC Open Data

NYC Open Data can be found at You are required to use at least one data set from NYC Open Data in your application. NYC Open Data includes nearly 750 data sets from 63 New York City entities.

The newest version of the NYC Open Data provides a richer, more dynamic data platform, improving search mechanisms, expanding machine-readable formats, and showcasing existing agency APIs.

NYC Startup APIs

BigApps 3.0 includes an award for the best mashup that uses NYC Open Data in combination with APIs from participating NYC startups. See a list of participating NYC-based companies providing APIs here.

NYC BigApps Ideas

During the summer of 2011, New York City challenged the general public to share ideas for NYC apps. The BigApps Ideas Challenge received more than 600 submissions. You can view the Top 10, Top 25, or all 612 submissions at

Additional Prizes

In addition to the cash prizes, BigApps 3.0 entrants will have the opportunity to participate in several programs that help startups:

  • TechStars will select at least two BigApps 3.0 entrants to be TechStars Finalists and participate in the final round of its highly selective startup acceleration program.
  • Winners will be eligible to join the BigApps Founders Network, which provides BigApps winners with mentorship, networking, and business support services to help them launch or build their startups.

Details will be provided throughout the challenge.

Past Winners and Entrants

The first two annual BigApps challenges generated more than 140 submissions. View winners and entrants from both competitions:

2010 NYC BigApps Winners and Entrants

2009 NYC BigApps Winners and Entrants


Please email us at if you have questions about the competition. Also make sure to review the Frequently Asked Questions.

If you have questions about the data, please contact NYC Open Data.