Programmatic access to the same verified caselaw database that powers this site: search cases, retrieve full opinions, and check citations from your own applications and workflows.
Semantic, keyword, boolean, and metadata search across federal and state opinions, with jurisdiction and court filters.
Fetch the full opinion text and structured metadata — holdings, citations, court, and dates — for a specific case.
Verify whether a citation exists and is still good law, including treatment, subsequent history, and reversal flags.
The MCP connectors use the same API key and the same usage meter as REST.
The full developer reference covers authentication, every endpoint and field, error codes, idempotency, and runnable examples in TypeScript and Python.
Read the API documentation