{"slug":"2s-io-api-law-case-search-78ad14","title":"Search US court opinions (SCOTUS, federal circuits, state appellate/supreme — ~9","host":"2s.io","method":"GET","resource":"https://2s.io/api/law/case-search","category":"search","description":"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). ","price_listed":0.009,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":3,"reported_payers_30d":2,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"court":"example","filedAfter":"2024-01-01","filedBefore":"2024-01-01","limit":10,"order":"relevance","q":"xx"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"method":{"const":"GET"},"queryParams":{"additionalProperties":false,"properties":{"court":{"type":"string"},"filedAfter":{"type":"string"},"filedBefore":{"type":"string"},"limit":{"default":10,"maximum":20,"minimum":1,"type":"integer"},"order":{"enum":["relevance","dateFiled-desc","dateFiled-asc","citeCount-desc"],"type":"string"},"q":{"maxLength":500,"minLength":2,"type":"string"}},"required":["q"],"type":"object"},"type":{"const":"http"}},"required":["type","method","queryParams"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"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.","last_updated":"2026-10-13T06:46:34.058Z","schemes":["exact"]}