SERVICE / DETAILother

Open Source Filings

GET api.osf-master-server.com/x402/legal/cases/:query

OPEN SERVICE ↗
SONAR SCORE0.000
LIVE PRICE0.050000
BAZAAR LIVEnot compatible
CDP INDEXEDno
DECISION EVIDENCE

Why an agent can trust this route.

1 observations in the last 24h
HANDSHAKE SUCCESS0.0%402 challenge reachable
PAID DELIVERY0.0%settlement observed
P90 LATENCY10002msrecent response window
PRICE DRIFT—advertised vs observed

Sonar evidence is advisory. Paid delivery is shown as verified only when paid probes are available; otherwise route estimates use the unpaid handshake as a clearly labeled proxy.

SONAR PROBE HISTORY / 30D

Observed outcomes

JSON ↗
LIVE ENDPOINT METADATA

Look up US federal court cases by case name, party, court, or citation across 1.55 million+ opinion records: SCOTUS all time and all 13 federal appellate circuits (CourtListener), plus SEC litigation releases and SEC administrative proceedings. Returns case name, court, date, citations and a provenance URL per match. Case metadata and citations, not opinion full text.

Resource: api.osf-master-server.com/x402/legal/cases/:query

Network: eip155:8453 · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x72f62dE8b70d6CFa8Cc2dF6f21F243f289F3396c

Payment methods: — · Last validation: 2026-09-14 11:22:51.484+00

{
  "input": {
    "type": "object",
    "required": [
      "type",
      "method"
    ],
    "properties": {
      "type": {
        "type": "string",
        "const": "http"
      },
      "method": {
        "enum": [
          "GET",
          "HEAD",
          "DELETE"
        ],
        "type": "string"
      },
      "pathParams": {
        "type": "object",
        "required": [
          "query"
        ],
        "properties": {
          "query": {
            "type": "string",
            "description": "Keyword(s): case name, party, topic, citation, or court. E.g. 'miranda arizona' or 'ninth circuit qualified immunity'."
          }
        }
      },
      "queryParams": {
        "type": "object",
        "properties": {}
      }
    },
    "additionalProperties": false
  },
  "output": {
    "type": "object",
    "required": [
      "type"
    ],
    "properties": {
      "type": {
        "type": "string"
      },
      "example": {
        "type": "object"
      }
    }
  },
  "paymentRequirements": [
    {
      "raw": {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x72f62dE8b70d6CFa8Cc2dF6f21F243f289F3396c",
        "amount": "50000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0x72f62dE8b70d6CFa8Cc2dF6f21F243f289F3396c",
      "scheme": "exact",
      "network": "eip155:8453",
      "amountAtomic": "50000"
    }
  ]
}
METADATA PROVENANCE

Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.