The Supreme Court recently ruled that aggregate contribution limits to political candidates are unconstitutional. Although we are disappointed by this outcome, we will continue to push for real-time transparency of hard money contributions.

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Making Government Accountable and Transparent



A comprehensive, nonpartisan resource for tracking Congress.

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What We Do


Technology can create more open, accountable governments. Stay up to date on how we are changing the culture in Washington. Read about the latest in political influence, campaign finance and lobbying news from the Sunlight Reporting Group.


Our projects bring important, government data to you. Start your search with Influence Explorer, Scout or Capitol Words. Keep tabs on Congress and state officials on your smartphone. Check out innovative tech from Sunlight Labs and our APIs.


Across the U.S. and around the globe, people are joining the open government movement. Attend a local meetup or TransparencyCamp. See who is making an impact in your community. Sign up to receive the latest news and events from Sunlight.