US Government Web Services and XML Data Sources
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US Government Data Sources

US Government Web Services and XML Data Sources

Welcome to is an index to publicly available web services and XML data sources that are provided by the US government. indexes data sources from all 3 branches of government as well as its boards, commissions, corporations and independent agencies.  

Mobile Apps
As a demonstration of the utility of these publicly available data sources, some of them have been used to create mobile web apps which can be installed on your mobile device or accessed directly from the web browser of any tablet or smart phone! The apps are free and are available at the Google Chrome Web Store, the Firefox Marketplace and the App Store.

Developers: To link to USGovXML mobile web apps from your application(s), please visit: Linking to USGovXML Mobile Web Apps

Description Chrome
Windows, OS X, Linux, Chromebook and mobile devices [via Cordova]
Firefox 1
Firefox OS
Android, Fire TV, Fire Phone, and Fire Tablets
Mobile Drug Guide Icon Mobile Drug Guide

The Mobile Drug Guide provides reliable and up to date consumer and clinical information about drugs in the nation's prescription formulary. Information is obtained from prominent US Federal data sources and includes drug monographs, clinical trials, drug-drug interactions, active ingredients, pharmacological classes, current and recent drug shortages, DEA schedules, recalls, images, manufacturer information, etc.

Search using the drug's name, NDC code, active ingredients, pharmacological class, or, in the case of a pill, its physical characteristics.

Direct Link:
Mobile Web Application
MDG Icon MDG Icon MDG Icon
USGovXML Mobile Apps Icon USGovXML Apps
An eclectic mix of mobile web apps for outdoor enthusiasts, environmentalists, volunteers and more ... Get current weather and forecasts for any location within the US; Get information about federal recreational facilities, threatened and endangered species, federally supported health centers, and more ...

Direct Link:

iOS 10+ and Chrome 50+ users should use
Direct Link:

Mobile Web Application
Alternative Fuels Station Locator Icon Alternative Fuels Station Locator
Search for alternative fueling stations across the United States. Alternative fuels include biodiesel, compressed natural gas (CNG), ethanol (E85), electric charging, hydrogen, liquefied natural gas (LNG) and propane (LPG).

Direct Link:

iOS 10+ and Chrome 50+ users should use
Direct Link:

Mobile Web Application
Vehicle Safety Recalls Icon Vehicle Safety Recalls
Search the National Highway Transit Safety Administration (NHTSA) database for vehicle safety recalls.

Direct Link:
Mobile Web Application
VSR Icon VSR Icon VSR Icon
Five Star Safety Recalls Icon Five Star Safety Ratings
Provides detailed information about the results of controlled crash and rollover tests conducted on new cars at NHTSA research facilities.

Direct Link:
Mobile Web Application
  FSSR Icon   FSSR Icon   FSSR Icon
HIV/AIDS Mobile Drug Guide Icon HIV/AIDS Mobile Drug Guide
Provides access to the latest, federally approved HIV/AIDS medical practice guidelines, information on HIV/AIDS treatment, clinical trials and other HIV/AIDS-related research information for health care providers, researchers, people affected by HIV/AIDS and the general public.

Direct Link:

iOS 10+ and Chrome 50+ users should use
Direct Link:

Mobile Web Application

1 - Firefox Marketplace discontinued support for Android, Desktops and Tablets on March 29, 2016. Learn more

To bypass the marketplaces (recommended) and install directly on iOS (Apple), Android or Windows devices, click the Direct Link and use the "Add to Home screen" feature of the Safari, Chrome, Firefox or Dolphin web browsers. Windows Phone users will use the "pin to start" feature of the Internet Explorer browser.

Developer Resource Hubs
Many federal agencies have begun to recognize the needs of independent developers and are making efforts to ensure that those developers have the information they need. Rather than requiring that developers track down publically available data sources and APIs, the agencies listed below have consolidated them into Developer Hubs on their web sites.

Census Bureau: Developers
Census Bureau: APIs
Centers for Disease Control and Prevention
Centers for Medicare & Medicaid Services
Consumer Financial Protection Bureau
DEA - E-Commerce Program
Department of Agriculture
Department of Commerce
Department of Education
Department of Energy
Department of Labor
Department of Transportation
Energy Information Administration
Environmental Protection Agency
Federal Aviation Administration
Federal Communications Commission
Federal Election Commission
Federal Emergency Management Agency: Data Feeds
Federal Emergency Management Agency: Developer Resources
Federal Motor Carrier Safety Administration
Federal Register
Federal Reserve Bank of St. Louis
General Services Administration
HHS - Medicare
International Trade Administration
National Aeronautics & Space Administration
National Archives & Records Administration
National Broadband Map
National Climate Data Center
National Institute on Drug Abuse
National Library of Medicine
National Renewable Energy Laboratory
National Weather Service
Office of Justice
Small Business Innovation Research
Social Security Administration
Substance Abuse & Mental Health Services Administration
U.S. Courts - PACER
U.S. Geological Survey
United States International Trade Commission
US Agency for Internation Development
Veterans Administration

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