Ai Fact Check

Last 30 days

Uptime

100%

Response time

188 ms typical, 188 ms slowest 5%

Last check

3 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://x402.asterpay.io/v2/x402/ai/fact-check" \
  -H "content-type: application/json" \
  -d '{"claim":"Apple reported revenue of $94.9 billion in Q1 2024","source":"Apple Inc. reported fiscal first-quarter revenue of $119.6 billion, a new record."}'

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 $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.asterpay.io%2Fv2%2Fx402%2Fai%2Ffact-check
const res = await pay("https://x402.asterpay.io/v2/x402/ai/fact-check", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"claim":"Apple reported revenue of $94.9 billion in Q1 2024","source":"Apple Inc. reported fiscal first-quarter revenue of $119.6 billion, a new record."}),
});
console.log(await res.json());

Example input

{
  "claim": "Apple reported revenue of $94.9 billion in Q1 2024",
  "source": "Apple Inc. reported fiscal first-quarter revenue of $119.6 billion, a new record."
}

Example output

{
  "claims_checked": 1,
  "confidence": 0.98,
  "evidence": "Source states $119.6B, not $94.9B as claimed.",
  "latency_ms": 820,
  "model": "llama-3.3-70b-versatile",
  "summary": "Revenue figure directly contradicted by source.",
  "verdict": "contradicted"
}

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