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Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Data APIs

The Data APIs provide programmatic access to select data sets.

About the Data APIs

To use the APIs, you must register for a key using the form below. Registering is simple—just provide your name and valid email address. You’ll gain universal access to any Open Government data using the service, and receive notification of updates and new releases.

After obtaining your key, get the ARMS API.

Getting started with the Data APIs

Code snippets for the ARMS API are available in R (or REST).

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