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Filing Brief

by vellum-filing-brief in Markets & finance

x402 APIPassing, checked 46 min ago

Cited SEC filing brief with company profile, filing activity, latest financials, period changes, signals and EDGAR source URLs.

GET
https://x402-data-api.x402agent.workers.dev/filing-brief
Price
$0.15
per call in USDC
Uptime
100%
last 30 days
Response time
136 ms
274 ms slowest 5%
Last check
Passed
46 min ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed

How to call it

GET https://x402-data-api.x402agent.workers.dev/filing-brief

Each call costs $0.15 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://x402-data-api.x402agent.workers.dev/filing-brief

Parameters

ParameterTypeRequiredDescription
cikstringNoSEC CIK number (digits only), alternative to ticker
formsstringNoComma-separated form types to count
limitstringNoNumber of most recent filings to include (1-40)
tickerstringNoStock ticker symbol, e.g. AAPL

Example response

The provider's example. We can't check it without paying.

Example response, 45 lines
{
  "brand": "Vellum",
  "company": {
    "cik": "0000320193",
    "name": "Apple Inc.",
    "sic_description": "Electronic Computers",
    "ticker": "AAPL"
  },
  "filing_activity": {
    "days_since_latest_filing": 18,
    "filings_indexed_total": 412,
    "filings_last_90_days": 6,
    "per_form_counts": {
      "10-K": 12,
      "10-Q": 36,
      "8-K": 190
    }
  },
  "latest_financials": {
    "NetIncomeLoss": {
      "change_pct": -3.36,
      "filed": "2026-01-30",
      "form": "10-K",
      "period_end": "2025-09-27",
      "unit": "USD",
      "value": 93736000000
    },
    "Revenues": {
      "change_pct": 2.02,
      "filed": "2026-01-30",
      "form": "10-K",
      "period_end": "2025-09-27",
      "prior_value": 383285000000,
      "unit": "USD",
      "value": 391035000000
    }
  },
  "service": "filing-brief",
  "signals": [
    "new filing within 7 days (8-K)",
    "190 8-K event filings in the indexed history",
    "net margin 23.97%"
  ],
  "source": "SEC EDGAR"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.15.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402-data-api.x402agent.workers.dev/filing-brief'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://x402-data-api.x402agent.workers.dev/filing-brief' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.15 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.15" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.15 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-data-api.x402agent.workers.dev%2Ffiling-brief
const res = await pay("https://x402-data-api.x402agent.workers.dev/filing-brief");
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.15 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.15"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://x402-data-api.x402agent.workers.dev/filing-brief")
    print(res.status_code, res.text)

Security scan

No findings

We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
46 min agoPassed402363 ms$0.15
5 h agoPassed402200 ms$0.15
9 h agoPassed402145 ms$0.15
14 h agoPassed402113 ms$0.15
18 h agoPassed402189 ms$0.15
Show 10 older checks
22 h agoPassed402134 ms$0.15
26 h agoPassed402274 ms$0.15
30 h agoPassed402136 ms$0.15
34 h agoPassed402116 ms$0.15
38 h agoPassed402120 ms$0.15
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2 days agoPassed402140 ms$0.15