Top Government APIs Websites
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Top Government APIs

A list of all Government APIs, designed to answer the question "What are the best APIs for Government?" All major Web APIs and mobile API resources related to Government, including those formatted in XML or JSON and those for use with iOS and the iPhone, are featured on this list. An API (or Application Programming Interface) is a method software applications and programs use to interact with one another, and share data, rules, settings or specifications. APIs interact with applications, libraries, operating systems and more, and are often used for sharing or embedding content. Some of the most popular APIs used around the modern Web are the Google API, the Twitter API, Wikipedia's API and the Ruby API.
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    Empire 2.0 Tech Talk Government technology discussion platform

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    US government small business resources

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    Follow The Money Database of US campaign contributions

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    FCC U.S. Communications Data Service

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    FedSpending.org Database of US government spending

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    GovTracker Rhode Island state data services

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    Guardian Politics UK government and political resources

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    ikregeer.nl Dutch parliament documents

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    FRED US Federal Reserve Economic data

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    Civic Footprint Political geography lookup for Illinois

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    Idescat Municipality in Figures Statistical information on Catalan municipalities

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    Aadhaar UIDAI Authentication Online authentication for Indian citizens

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    LittleSis Database for tracking political and business relationships

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    Drumbone US political data aggregated from multiple sources

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    Data.gov.uk Public government database

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    MyBikeLane Read-Only API for MyBikeLane and UncivilServants Database

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    New York Times NY State Legislature NY State legislative member information

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    eAdvocacy services for nonprofits

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    United States political data lookup

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    GovTrack.us US Congress database service

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    U.S. political data lookup

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    OpenCongress US government data

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    Goslyudi.ru Public ratings of Russian government bloggers

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    Office for National Statistics UK neighborhood and census data

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    OpenSecrets U.S. political data lookup

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    Police UK police force mapping service

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    Poligraft Political Entity Extraction Service

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    Who is my Representative Database of US congressional representatives

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    Watchdog Political data lookup

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    Washington State Department of Revenue Sales Tax Rate Address based tax rate lookup service

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    UN Data United Nations information service

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    TheyWorkForYou Track the UK Parliament

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    Sunlight Labs Congress US Congress database service

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    Socrata Open Data Online data sharing service

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    World Government Data A portal to government data sets

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    Postcode Anywhere Government Data UK government data service

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    New York Times Districts Political districts service

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    OpenAustralia Australian government information service

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    CitySourced Mobile civic engagment tool

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    MAPLight.org Bill Positions Campaign donation and vote tracking service

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    LOUIS US federal documents database

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    ActBlue Democratic fundraising service

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    Sunlight Labs Real-time Congress Near Real-Time Information on the Current Congress Session

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    What They Claimed Expenses records for UK members of parliament

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    Transparency Data State and Federal campaign contribution data

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    Where Does My Money Go Government spending database

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    RealSearch TIN Reverse Tax ID verficiation service

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    Openly Local Government information tracking service

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    New York Times Congress US Congress historical data

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    New York Times Campaign Finance U.S. campaign finance data

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