gov.congress-trades

Search individual US Congress member stock trades, parsed from STOCK Act Periodic Transaction Reports into clean rows. Filter by member name (q, e.g. "Pelosi"), ticker (e.g. NVDA), transaction type (purchase | sale | exchange), 2-letter state, chamber, or transaction-date range (dateFrom/dateTo). Each trade returns the member + state/district, owner (self/spouse/joint/dependent), ticker + asset description, buy/sell, the disclosed dollar RANGE (amountMin/amountMax — disclosures are ranges, not exact), the transaction date, the disclosure date, days-to-disclose (compliance lag), and a link to the source filing PDF. The envelope total is the full count matching your filter — so ticker=NVDA&type=purchase counts who bought NVIDIA. Amounts are ranges by law; trades are disclosed up to 45 days after they happen (current-to-the-filing). Coverage: US House e-filed PTRs now, expanding to scanned/handwritten + Senate. Data: US House Clerk / Senate eFD (public domain). Cross-ref /api/gov/congress-filings for the raw filing index.

price

$0.0012 USDC per call

method

GET/api/gov/congress-trades

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 1 chars · max 80 chars
`ticker`	string	min 1 chars · max 10 chars
`type`	string	min 1 chars · max 20 chars
`chamber`	string	one of: house \| senate
`state`	string	min 2 chars · max 2 chars
`dateFrom`	string	match ^\d{4}-\d{2}-\d{2}$
`dateTo`	string	match ^\d{4}-\d{2}-\d{2}$
`limit`	integer	min 1 · max 100
`offset`	integer	min 0 · max 100000

Code samples

cURLbash

# 1. Probe with no auth → 402 envelope with PaymentRequirements
curl -sS 'https://2s.io/api/gov/congress-trades?q=example&ticker=example&type=example&chamber=house&state=xx&dateFrom=2024-01-01&dateTo=2024-01-01&limit=25&offset=0'

# 2. Sign + retry with PAYMENT-SIGNATURE:
curl -sS 'https://2s.io/api/gov/congress-trades?q=example&ticker=example&type=example&chamber=house&state=xx&dateFrom=2024-01-01&dateTo=2024-01-01&limit=25&offset=0' \
  -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/gov/congress-trades?q=example&ticker=example&type=example&chamber=house&state=xx&dateFrom=2024-01-01&dateTo=2024-01-01&limit=25&offset=0'

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.gov.congressTrades({
  "q": "example",
  "ticker": "example",
  "type": "example",
  "chamber": "house",
  "state": "xx",
  "dateFrom": "2024-01-01",
  "dateTo": "2024-01-01",
  "limit": 25,
  "offset": 0
})

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.gov.congress_trades(q="example", ticker="example", type="example", chamber="house", state="xx", dateFrom="2024-01-01", dateTo="2024-01-01", limit=25, offset=0)

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": "gov.congress-trades",
    "arguments": {
      "q": "example",
      "ticker": "example",
      "type": "example",
      "chamber": "house",
      "state": "xx",
      "dateFrom": "2024-01-01",
      "dateTo": "2024-01-01",
      "limit": 25,
      "offset": 0
    }
  }
}

Response

Field	Type	Description
`ok`	boolean	one of: true
`items`	array
`total`	integer	Total matching rows upstream; null when unknown.
`source`	object

Example response datajson

{
  "ok": true,
  "items": [
    {
      "member": "example",
      "chamber": "example",
      "state": "example",
      "district": "example",
      "owner": "example",
      "ticker": "example",
      "assetDescription": "example",
      "assetType": "example",
      "transactionType": "example",
      "amountMin": 1,
      "amountMax": 1,
      "transactionDate": "example",
      "disclosureDate": "example",
      "daysToDisclose": 1,
      "docUrl": "example",
      "source": "example"
    }
  ],
  "total": 1,
  "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.