W

Workers · Verify

by Workers

POSTBase

$0.05

per call · USD Coin on Base

Verify whether an official SEC filing supports a financial claim. Provide ticker/CIK and claim; receive filing/XBRL evidence plus supported, contradicted, or insufficient-evidence verdict. 10-Q / 10-K / XBRL fact verification. Not a data feed, stock picker, or investment advice.

Endpoint

POST https://sec-filing-proof.mattskowronis.workers.dev/v1/verify

4

Calls / 30d

3

Unique payers / 30d

Aug 30

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://sec-filing-proof.mattskowronis.workers.dev/v1/verify", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "claim": "Revenue increased year over year in the latest reported quarter.",
    "ticker": "AAPL"
  }),
});
const data = await res.json();
cURL
curl -X POST \
  "https://sec-filing-proof.mattskowronis.workers.dev/v1/verify" \
  -H "Content-Type: application/json" \
  -d '{"claim":"Revenue increased year over year in the latest reported quarter.","ticker":"AAPL"}' \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "cik": "0000320193",
  "claim": "Revenue increased year over year in the latest reported quarter.",
  "company": "Apple Inc.",
  "evidence": [
    {
      "accession": "0000320193-26-000006",
      "concept": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "filing": "10-Q",
      "label": "Revenue from Contract with Customer, Excluding Assessed Tax",
      "normalized_value": 100000000000,
      "period_end": "2025-12-27",
      "period_start": "2025-09-28",
      "polarity": "supports",
      "source_url": "https://www.sec.gov/Archives/edgar/data/320193/000032019326000006/0000320193-26-000006-index.htm",
      "unit": "USD",
      "value": 100000000000
    }
  ],
  "filing_date": "2026-01-30",
  "filing_type": "10-Q",
  "period": "latest_quarter",
  "period_end": "2025-12-27",
  "period_start": "2025-09-28",
  "reasoning_summary": "Latest quarterly revenue exceeded the comparable prior-year quarter in official XBRL facts.",
  "retrieved_at": "2026-08-19T13:00:00.000Z",
  "service_version": "1.0.0",
  "source_status": "verified",
  "source_urls": [
    "https://www.sec.gov/Archives/edgar/data/320193/000032019326000006/0000320193-26-000006-index.htm",
    "https://data.sec.gov/api/xbrl/companyfacts/CIK0000320193.json"
  ],
  "ticker": "AAPL",
  "verdict": "supported"
}

Payment details

Pay to0x22b3d4485c8dcd8fc4840a7570664747c9055530
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase
Schemesexact

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