Netzhandwerker Agent Tools · Claim Check

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://tools.halowerk.com/v1/claim/check", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "claim": "Die Weltbank erwartet fuer 2026 ein globales Wachstum von 2,7 Prozent.",
    "sources": [
      "https://www.worldbank.org/en/publication/global-economic-prospects"
    ]
  }),
});
const data = await res.json();

curl -X POST \
  "https://tools.halowerk.com/v1/claim/check" \
  -H "Content-Type: application/json" \
  -d '{"claim":"Die Weltbank erwartet fuer 2026 ein globales Wachstum von 2,7 Prozent.","sources":["https://www.worldbank.org/en/publication/global-economic-prospects"]}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "claim": "Die Weltbank erwartet fuer 2026 ein globales Wachstum von 2,7 Prozent.",
  "confidence": 0.8,
  "contradicting": 0,
  "evidence": [
    {
      "direction": "stuetzt",
      "matched_numbers": [
        "2026"
      ],
      "matched_terms": [
        "wachstum",
        "2026"
      ],
      "quote": "Global growth is projected to hold at 2.7 percent in 2026 as trade and investment recover slowly.",
      "source_title": "Global Economic Prospects",
      "source_url": "https://www.worldbank.org/en/publication/global-economic-prospects",
      "term_coverage": 0.67
    }
  ],
  "evidence_count": 2,
  "key_terms": [
    "weltbank",
    "erwartet",
    "globales",
    "wachstum",
    "2,7",
    "prozent"
  ],
  "note": "Belegsuche in den genannten Quellen, keine Bewertung des Wahrheitsgehalts.",
  "numbers_in_claim": [
    "2026",
    "2,7 Prozent"
  ],
  "numbers_not_found": [],
  "sources": [
    {
      "content_type": "text/html",
      "matches": 2,
      "reachable": true,
      "sentences_scanned": 312,
      "status": 200,
      "text_chars": 48219,
      "title": "Global Economic Prospects",
      "url": "https://www.worldbank.org/en/publication/global-economic-prospects"
    }
  ],
  "supporting": 2,
  "verdict": "in_quelle_belegt"
}