Validates legal citations against authoritative case law sources (CourtListener database of ~10M cases). Returns verification status and case metadata for each citation found in the input text. Accepts either a single citation or a full text block containing multiple citations.
{
"summary": {
"total": 123,
"verified": 123,
"notFound": 123,
"multipleMatches": 123
},
"citations": [
{
"original": "<string>",
"span": {
"start": 123,
"end": 123
},
"confidence": 123,
"normalized": "<string>",
"case": {
"id": 123,
"name": "<string>",
"shortName": "<string>",
"court": "<string>",
"dateDecided": "<string>",
"docketNumber": "<string>",
"parallelCitations": [
"<string>"
],
"url": "<string>"
},
"candidates": [
{
"name": "<string>",
"court": "<string>",
"dateDecided": "<string>",
"url": "<string>"
}
]
}
]
}Documentation Index
Fetch the complete documentation index at: https://docs.case.dev/llms.txt
Use this file to discover all available pages before exploring further.
API key starting with sk_case_
Text containing legal citations to verify
Text containing citations to verify. Can be a single citation (e.g., "531 U.S. 98") or a full document with multiple citations.
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{
"summary": {
"total": 123,
"verified": 123,
"notFound": 123,
"multipleMatches": 123
},
"citations": [
{
"original": "<string>",
"span": {
"start": 123,
"end": 123
},
"confidence": 123,
"normalized": "<string>",
"case": {
"id": 123,
"name": "<string>",
"shortName": "<string>",
"court": "<string>",
"dateDecided": "<string>",
"docketNumber": "<string>",
"parallelCitations": [
"<string>"
],
"url": "<string>"
},
"candidates": [
{
"name": "<string>",
"court": "<string>",
"dateDecided": "<string>",
"url": "<string>"
}
]
}
]
}