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New: DOJ Justice Manual, USCIS Policy Manual, USPTO MPEP/TMEP, and DFARS PGI are now in the API. See what's covered.

Data coverage

State Session Laws

Session laws as enacted: acts with dates, outcome, sources, full text and search.

A code tells you what the law says now. A session law tells you what changed and when: signing date, effective dates and the text as passed, including struck words.

EndpointDoes
GET /us/session-laws/listList by jurisdiction and session
POST /us/session-laws/searchSearch acts
GET /us/session-laws/{sessionLawId}One act's metadata
GET /us/session-laws/{sessionLawId}/bodyThe text as passed
POST /us/session-laws/batchSeveral acts at once
GET /us/session-laws/changesWhat changed since a date
GET /us/statutes/section/{actId}/enactmentsActs that touched a code section

Last modified on October 20, 2026

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