{"slug":"goodsong-dev-verify-case-31af60","title":"Verify a legal case citation","host":"goodsong.dev","method":"POST","resource":"https://goodsong.dev/verify/case","category":"other","description":"Verify a legal case citation: does it exist, and does the given case name match the canonical record? Catches a fabricated case citation, including a real-looking citation number paired with an invented case name. Checked against CourtListener. Does not check whether a case is still good law -- no f","price_listed":0.01,"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":5,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"case_name":"Obergefell v. Hodges","citation":"576 U.S. 644"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"description":"Provide a citation; case_name is optional and checked against the canonical record when given.","properties":{"case_name":{"description":"Optional case name to cross-check against the citation.","type":"string"},"citation":{"description":"The case citation, e.g. '576 U.S. 644'.","type":"string"}},"required":["citation"]},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"canonical":{"type":["object","null"]},"checks":{"type":"object"},"cost":{"type":"object"},"evidence":{"type":"array"},"latency_ms":{"type":"integer"},"verdict":{"enum":["confirmed","contradicted","unknown"],"type":"string"}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Verify a legal case citation: does it exist, and does the given case name match the canonical record? Catches a fabricated case citation, including a real-looking citation number paired with an invented case name. Checked against CourtListener. Does not check whether a case is still good law -- no free authoritative source publishes that.","last_updated":"2026-09-04T01:27:25.714Z","schemes":["exact"]}