The LawTools API

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.

Try free caselaw search

$29 / month

Includes $29 of API usage each month

$29 of API usage included every month
Case search — 3¢ per search
Case retrieval — 3¢ per retrieval
Cite check — 3¢ per check
The same per-call rates apply to the OpenAI and Claude MCP connectors
Usage beyond the included $29 is billed monthly in arrears

Every call is a flat 3¢ — case search, case retrieval, and cite check alike. Your $29 subscription covers the first $29 of usage (about 966 calls); after that you are billed for what you use, with full line-item transparency.

Endpoints

Case search

Semantic, keyword, boolean, and metadata search across federal and state opinions, with jurisdiction and court filters. 3¢ per search.

Case retrieval

Fetch the full opinion text and structured metadata — holdings, citations, court, and dates — for a specific case. 3¢ per retrieval.

Cite check

Verify whether a citation exists and is still good law, including treatment, subsequent history, and reversal flags. 3¢ per check.

Same rates via MCP

The OpenAI MCP and Claude MCP connectors are billed at the identical 3¢-per-call rates against your subscription.