Agent Check

{
  "balance": {
    "balance_native": 0.0031,
    "balance_usdc": 412.5,
    "chain_id": "eip155:8453",
    "reason": null,
    "status": "ok"
  },
  "chain_id": "eip155:8453",
  "checked_at": "2026-10-01T10:00:00Z",
  "did_not_run": [],
  "domain": {
    "domain": null,
    "domain_age_days": null,
    "domain_expires_at": null,
    "has_dmarc": null,
    "has_mx": null,
    "has_spf": null,
    "probes": null,
    "reason": null,
    "ssl_issuer": null,
    "ssl_valid": null,
    "status": "not_requested",
    "web_score": null
  },
  "identity": {
    "agent_id": "1187",
    "agent_owner": "0x7e4c2a91d05b3f68a1c9e2d4b7f05a3c6e81d290",
    "agent_registered": true,
    "agent_wallet": "0x7e4c2a91d05b3f68a1c9e2d4b7f05a3c6e81d290",
    "reason": null,
    "registry": "erc8004",
    "status": "ok",
    "wallet_agent_ids": [
      "1187"
    ],
    "wallet_controls_agent": true
  },
  "ran": [
    "sanctions",
    "balance",
    "identity",
    "reputation",
    "wallet_risk"
  ],
  "reputation": {
    "agents": [
      {
        "agent_id": "1187",
        "clients_capped": false,
        "distinct_clients": 2,
        "feedback_count": 3,
        "top_tags": [
          {
            "avg": 4.67,
            "count": 3,
            "tag": "starred"
          }
        ]
      }
    ],
    "note": "open on-chain feedback, not used in the score",
    "reason": null,
    "status": "ok"
  },
  "sanctions": {
    "hit": false,
    "list_as_of": "09/30/2026",
    "list_status": "ok",
    "lists": [],
    "programs": [],
    "reason": null,
    "status": "ok"
  },
  "schema_version": "agent-check-v1",
  "verdict": "no_findings",
  "verdict_reasons": [],
  "wallet": "0x7e4c2a91d05b3f68a1c9e2d4b7f05a3c6e81d290",
  "wallet_risk": {
    "reason": null,
    "risk_level": "low",
    "risk_score": 10,
    "rules_fired": [],
    "status": "ok"
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.limitguard.ai/v1/agent/check' \
  -H 'content-type: application/json' \
  --data-raw '{"wallet":"0x7e4c2a91d05b3f68a1c9e2d4b7f05a3c6e81d290"}'

# 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 - -X POST 'https://api.limitguard.ai/v1/agent/check' \
  -H 'content-type: application/json' \
  --data-raw '{"wallet":"0x7e4c2a91d05b3f68a1c9e2d4b7f05a3c6e81d290"}' \
  | 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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.limitguard.ai%2Fv1%2Fagent%2Fcheck&method=POST
const res = await pay("https://api.limitguard.ai/v1/agent/check", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "wallet": "0x7e4c2a91d05b3f68a1c9e2d4b7f05a3c6e81d290"
  }),
});
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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.limitguard.ai/v1/agent/check",
        json={
            "wallet": "0x7e4c2a91d05b3f68a1c9e2d4b7f05a3c6e81d290",
        },
    )
    print(res.status_code, res.text)