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Sunlight Real-Time Federal Campaign Finance API - Developers

Use the Real-Time Federal Campaign Finance API to find campaign finance information on federal candidates, committees, PACs, and other groups that file with the Federal Election Commission (FEC). The API returns results in JSON or CSV and requires an API Key. Information provided by groups that file electronically is available immediately, while groups that file on paper have their information added as soon as it is digitized by the FEC. See the project page for more information and to access a test API.