APIs and Developer Tools

GSA's web services cover a range of important data and functionality. Software developers and researchers can use these resources to help people find useful government information.

May of our APIs are themselves open sourced and we always welcome feedback. If you have any questions or ideas for how we can improve our APIs, don't hesitate to let us know.

Highlighted Repositories


The CKAN-based data catalog for the federal government.


API access to the System for Award Management


US Government unclaimed money metasearch tool.