Courtlistener · Research

CourtListener / List US courts and their ids

US federal and state courts known to CourtListener: id (used by the search court filter), full and short name, jurisdiction, start and end dates, URL. 20 per page with cursor paging. Runs on your own CourtListener API token (Connections, Add key, CourtListener; your token is on your CourtListener profile page). looot charges $0; Free Law Project sets your limits (free accounts: 5 per minute, 50 per hour, 125 per day). Free membership tokens may not power a revenue-positive product; commercial use needs your own agreement with Free Law Project.

Live data

You are looking at the live public catalog.

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Published API evidence

Public metadata only. Response bodies, credentials, and internal review notes are never displayed.

No verification date is claimed. No response capture is claimed.

Request parameters

cursor query · optional
Cursor from the previous page's next URL.
jurisdiction query · optional
Jurisdiction code, e.g. F federal appellate, FD federal district, S state supreme.

No allowlisted official documentation or pricing reference is available.