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courtlistener.search
mock data$0.002 / callSearch US Court Opinions
Search US federal and state court opinions — filter by court (scotus, ca9, dcd...), date range, relevance. Largest free US case law archive. 7,000+ AI-related opinions (CourtListener / Free Law Project)
Input schema
type
stringSearch type: "o" (opinions, default) or "r" (RECAP dockets)
court
stringCourt filter (e.g. "scotus" for Supreme Court, "ca9" for 9th Circuit, "dcd" for DC District)
limit
integerNumber of results (default 10, max 20)
queryrequired
stringSearch query for US court opinions (e.g. "artificial intelligence liability", "Fourth Amendment digital privacy")
order_by
stringSort: relevance (default), newest, oldest
filed_after
stringOnly cases filed after this date (YYYY-MM-DD)
filed_before
stringOnly cases filed before this date (YYYY-MM-DD)
Call via REST
curl -X POST https://unifyapi.pro/api/call/courtlistener.search \
-H "Authorization: Bearer uak_live_..." \
-H "Content-Type: application/json" \
-d '{"type":"<type>","court":"<court>","limit":0,"query":"<query>","order_by":"<order_by>","filed_after":"<filed_after>","filed_before":"<filed_before>"}'