Claim Check

Last 30 days

Uptime

100%

Response time

35 ms typical, 35 ms slowest 5%

Last check

41 min ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -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"]}'

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftools.halowerk.com%2Fv1%2Fclaim%2Fcheck
const res = await pay("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"]}),
});
console.log(await res.json());

Example input

{
  "claim": "Die Weltbank erwartet fuer 2026 ein globales Wachstum von 2,7 Prozent.",
  "sources": [
    "https://www.worldbank.org/en/publication/global-economic-prospects"
  ]
}

Example output

{
  "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"
}

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