law.docket-search

Search US federal court dockets — civil and criminal — from the RECAP/PACER archive. Full-text q (case name, party, e.g. "United States v. Bankman-Fried"), optional court (CourtListener court id like "cand", "nysd", "ca9"), filedAfter/filedBefore (YYYY-MM-DD), page. Or pass docketNumber (+ court) for exact lookup. Each docket: id, case name, court, docket number, date filed/terminated, nature of suit, assigned judge, public docket URL. Criminal-case research, litigation monitoring, KYC/due-diligence. Sibling endpoints: /api/law/case-search (opinions full-text), /api/law/opinion (full opinion text).

price

$0.0048 USDC per call

method

GET/api/law/docket-search

payment

x402 v2 · USDC on Base (EIP-3009) or Solana (SPL transfer)

auth

None. Sign the payment, retry with PAYMENT-SIGNATURE.

tier

Tier 0 — no paid upstream

Parameters

Name	Type	Description
`q`	string	min 2 chars · max 300 chars
`court`	string	min 2 chars · max 15 chars
`docketNumber`	string	min 3 chars · max 40 chars
`filedAfter`	string	match ^\d{4}-\d{2}-\d{2}$
`filedBefore`	string	match ^\d{4}-\d{2}-\d{2}$
`page`	integer	min 1

Code samples

cURLbash

# 1. Probe with no auth → 402 envelope with PaymentRequirements
curl -sS 'https://2s.io/api/law/docket-search?q=xx&court=xx&docketNumber=xxx&filedAfter=2024-01-01&filedBefore=2024-01-01&page=1'

# 2. Sign + retry with PAYMENT-SIGNATURE:
curl -sS 'https://2s.io/api/law/docket-search?q=xx&court=xx&docketNumber=xxx&filedAfter=2024-01-01&filedBefore=2024-01-01&page=1' \
  -H 'PAYMENT-SIGNATURE: <base64-json-payload>'

# Or use the canonical runner (handles probe → sign → retry):
#   EVM_PRIVATE_KEY=0x... node --env-file=.env.local \
#     --experimental-strip-types scripts/x402-pay.ts \
#     'https://2s.io/api/law/docket-search?q=xx&court=xx&docketNumber=xxx&filedAfter=2024-01-01&filedBefore=2024-01-01&page=1'

TypeScript / Node — @2sio/sdktypescript

import { TwoS } from '@2sio/sdk'

const client = new TwoS({
  privateKey: process.env.EVM_PRIVATE_KEY as `0x${string}`,
})

const result = await client.law.docketSearch({
  "q": "xx",
  "court": "xx",
  "docketNumber": "xxx",
  "filedAfter": "2024-01-01",
  "filedBefore": "2024-01-01",
  "page": 1
})

console.log('endpoint:', result.endpoint)
console.log('cost:', result.costUsd, 'USDC')
console.log('tx:', result.settlement?.txHash)
console.log('data:', result.data)

Python — 2siopython

import os
from twosio import TwoS

client = TwoS(private_key=os.environ["EVM_PRIVATE_KEY"])

result = client.law.docket_search(q="xx", court="xx", docketNumber="xxx", filedAfter="2024-01-01", filedBefore="2024-01-01", page=1)

print("endpoint:", result.endpoint)
print("cost:", result.cost_usd, "USDC")
print("tx:", (result.settlement or {}).get("tx_hash"))
print("data:", result.data)

MCP — Claude Desktop / AgentKit / any MCP hostjson

// 1. Add @2sio/mcp to your MCP host config (Claude Desktop example below).
//    EVM_PRIVATE_KEY funds x402 payments per call.

// claude_desktop_config.json
{
  "mcpServers": {
    "2sio": {
      "command": "npx",
      "args": ["-y", "@2sio/mcp"],
      "env": { "EVM_PRIVATE_KEY": "0x..." }
    }
  }
}

// 2. Once the server is running, agents call this tool via standard MCP:

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "law.docket-search",
    "arguments": {
      "q": "xx",
      "court": "xx",
      "docketNumber": "xxx",
      "filedAfter": "2024-01-01",
      "filedBefore": "2024-01-01",
      "page": 1
    }
  }
}

Response

Field	Type	Description
`totalRecords`	number
`count`	number
`dockets`	array
`source`	object

Example response datajson

{
  "totalRecords": 1,
  "count": 1,
  "dockets": [
    {
      "docketId": 1,
      "caseName": "example",
      "court": "example",
      "courtId": "example",
      "docketNumber": "example",
      "dateFiled": "example",
      "dateTerminated": "example",
      "natureOfSuit": "example",
      "assignedTo": "example",
      "url": "example"
    }
  ],
  "source": {
    "provider": "example",
    "url": "example",
    "license": "example"
  }
}

Discovery

/api/directory — full catalog of every endpoint
/openapi.json — OpenAPI 3.1 spec (per-op x-payment-info, x402Payment security)
/.well-known/x402 — machine-readable service descriptor for x402-aware crawlers
/.well-known/mcp/server-card.json — MCP SEP-1649 server card
/llms.txt — plain-text manifest for LLM ingestion

2s.io is x402-native. Every call is paid per-request from a USDC-funded EVM wallet on Base — no signup, no API keys, no monthly fees. Source code: github.com/2s-io/sdk.