Tool detail

Vaaya

Searches CourtListener's 10M+ US court opinions by keyword, court, judge or filing date, returning case metadata and links to full opinions.

Categories: Government public data

Use when

search US case law by keyword and court
find opinions filed by a specific judge in a date range
look up citations and links to full court opinions

Not for

metadata and links only, not the full opinion text itself
not guaranteed comprehensive coverage of every court or jurisdiction

Inputs

POST JSON body: q (string, required); optional court, judge, case_name, docket_number, party_name, filed_after/before (YYYY-MM-DD), order_by, cursor

Admitted input schema

{
  "type": "object",
  "properties": {
    "case_name": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096
    },
    "court": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096
    },
    "cursor": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096
    },
    "docket_number": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096
    },
    "filed_after": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
    },
    "filed_before": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
    },
    "judge": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096
    },
    "order_by": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096
    },
    "party_name": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096
    },
    "q": {
      "type": "string",
      "minLength": 1,
      "maxLength": 4096
    }
  },
  "required": [
    "q"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://vaaya.ai/api/run/courtlistener/cases

Payment

Protocol: x402
Listed price: 0.01 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://vaaya.ai/api/run/courtlistener/cases
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z