Filing Delta

{
  "as_of": "2026-09-18T22:40:00.000Z",
  "brand": "Vellum",
  "changed": true,
  "company": {
    "cik": "0000789019",
    "name": "Microsoft Corp",
    "ticker": "MSFT"
  },
  "new_filings": [
    {
      "filed": "2026-08-27",
      "form": "8-K",
      "period": "2026-08-27",
      "url": "https://www.sec.gov/Archives/edgar/data/789019/..."
    }
  ],
  "new_filings_by_form": {
    "4": 3,
    "8-K": 1
  },
  "service": "filing-delta",
  "signals": [
    "1 new filing(s) since 2026-08-19",
    "1× 8-K",
    "revenue +7.62% versus the prior reported period"
  ],
  "source": "SEC EDGAR",
  "updated_financials": [
    {
      "change_pct": 7.62,
      "current": {
        "filed": "2026-07-30",
        "form": "10-K",
        "period_end": "2026-06-30",
        "value": 69632000000
      },
      "label": "Revenues",
      "previous_reported": {
        "filed": "2026-04-30",
        "form": "10-Q",
        "period_end": "2026-03-31",
        "value": 64703000000
      },
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "unit": "USD"
    }
  ],
  "window": {
    "days": 30,
    "since": "2026-08-19",
    "until": "2026-09-18"
  }
}

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

# 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-delta' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-data-api.x402agent.workers.dev%2Ffiling-delta
const res = await pay("https://x402-data-api.x402agent.workers.dev/filing-delta");
console.log(res.status, await res.text());

# 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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
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-delta")
    print(res.status_code, res.text)