law

Search US court opinions (SCOTUS, federal circuits, state...

Search US court opinions (SCOTUS, federal circuits, state appellate/supreme — ~9M opinions). Query by free-text (party names, keywords, docket #, citation). Filter by court slug (e.g., "scotus", "ca9", "nysupct"), filing date range, and order (relevance/dateFiled-desc/dateFiled-asc/citeCount-desc). Returns clusterId, caseName, court, year, docket, reporter citations, citationCount, snippet, canonical URL. Discovery-side complement to case-verify. Backed by CourtListener (Free Law Project); underlying opinions are public domain.

get/api/law/case-search

Request

  • Base URL: https://2s.io
  • URL: https://2s.io/api/law/case-search
  • Auth: API key in header PAYMENT-SIGNATURE

Query parameters

qstring required

Free-text search query.

courtstring

Court.

filedAfterstring

Filed after.

filedBeforestring

Filed before.

order'relevance' | 'dateFiled-desc' | 'dateFiled-asc' | 'citeCount-desc'

Sort direction: asc or desc.

limitinteger

Maximum number of results to return.

trial1

Try before you buy. Set to 1 for one free real call per endpoint per hour — no wallet or payment needed — to verify the endpoint before paying. Equivalent to sending the "X-2s-Trial: 1" request header. Listed only on operations that offer a trial; the others always answer 402.

Response

(unresolved $ref)

Changes

No recorded changes to this operation across all 1 revision of this API.