Verify Claim

Last 30 days

Uptime

100%

Response time

128 ms typical, 128 ms slowest 5%

Last check

26 min ago

Next check

in 1 min

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://402oracle.com/verify/claim" \
  -H "content-type: application/json" \
  -d '{"claim":"Company X was founded in 2019."}'

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%2F402oracle.com%2Fverify%2Fclaim
const res = await pay("https://402oracle.com/verify/claim", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"claim":"Company X was founded in 2019."}),
});
console.log(await res.json());

Example input

{
  "claim": "Company X was founded in 2019."
}

Example output

{
  "attestation": {
    "confidence": 0.8,
    "result": {
      "citations": [
        "https://example.com/about"
      ],
      "verdict": "supported"
    },
    "subject": {
      "claim": "Company X was founded in 2019."
    },
    "type": "claim_verification"
  },
  "signature": {
    "alg": "ES256",
    "jwks": "/.well-known/jwks.json"
  }
}

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

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