Text Data Mining

The Caselaw Access Project (“CAP”) expands public access to U.S. law., and contains over 360 years (going back to 1658) of published U.S. court decisions, digitized from the collection of the Harvard Law Library.

The Congress.gov API includes bills, amendments, summaries, Congress, members, the Congressional Record, committee reports, nominations, treaties, and House Communications. Over time hearing transcripts and Senate Communications will be added. Sign up for a free API key to use.

Opinions, docket files, and more from 420 courts.

Bulk data downloads of major US Government publications including Congressional Bills, Commerce Business Daily, Federal Register, Public Papers of the Presidents of the United States, Supreme Court Decisions 1937-1975 (FLITE) and more.

This source is no longer updated as of 2020. Sunlight Foundation provides APIs to a variety government information sources including: Congress API v3: information on legislators, districts, committees, bills, votes, as well as real-time notice of hearings, floor activity and upcoming bills. Open States API: Information on the legislators and activities of all 50 state legislatures, Washington, D.C. and Puerto Rico. Real-Time Federal Campaign Finance API: A JSON and CSV API that delivers up-to-the-minute campaign finance information on federal candidates, committees, PACs and other groups that file electronically with the Federal Election Commission.

The Congressional Record is the official record of the proceedings and debates of the United States Congress, 1873- present. U.S. Government Publishing Office

A shared commons of data and tools for accessing data from the United States government.