Guard

Last 30 days

Uptime

100%

Response time

921 ms typical, 921 ms slowest 5%

Last check

6 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://seenly-pay-guard.vercel.app/api/guard" \
  -H "content-type: application/json" \
  -d '{"asset":"USDC","challenge":{"amount":"30000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"eip155:8453","payTo":"0xeE6239F3E17bEBe5e89F21F29D74D68CAa0d78CE","resource":"https://seenly-payload-check.vercel.app/api/check"},"domain":"seenly-payload-check.vercel.app","max_price_usd":0.05,"network":"eip155:8453"}'

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%2Fseenly-pay-guard.vercel.app%2Fapi%2Fguard
const res = await pay("https://seenly-pay-guard.vercel.app/api/guard", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"asset":"USDC","challenge":{"amount":"30000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","network":"eip155:8453","payTo":"0xeE6239F3E17bEBe5e89F21F29D74D68CAa0d78CE","resource":"https://seenly-payload-check.vercel.app/api/check"},"domain":"seenly-payload-check.vercel.app","max_price_usd":0.05,"network":"eip155:8453"}),
});
console.log(await res.json());

Example input

{
  "asset": "USDC",
  "challenge": {
    "amount": "30000",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "network": "eip155:8453",
    "payTo": "0xeE6239F3E17bEBe5e89F21F29D74D68CAa0d78CE",
    "resource": "https://seenly-payload-check.vercel.app/api/check"
  },
  "domain": "seenly-payload-check.vercel.app",
  "max_price_usd": 0.05,
  "network": "eip155:8453"
}

Example output

{
  "advice": "Safe to sign this 402 challenge under the stated plan.",
  "check_version": "pay-guard-0.1.0",
  "checks": {
    "asset_network": {
      "id": "asset_network",
      "status": "pass",
      "summary": "Asset/network OK (USDC on eip155:8453)."
    },
    "listed_price": {
      "id": "listed_price",
      "status": "pass",
      "summary": "Challenge price within listed range."
    },
    "lookalike": {
      "id": "lookalike",
      "status": "pass",
      "summary": "Resource host matches planned domain."
    },
    "price": {
      "id": "price",
      "status": "pass",
      "summary": "Challenge price $0.03 ≤ max $0.05."
    },
    "url_safety": {
      "id": "url_safety",
      "status": "pass",
      "summary": "Resource URL is https, no credentials, no IP literal."
    },
    "wallet_domain": {
      "id": "wallet_domain",
      "status": "pass",
      "summary": "payTo matches the domain’s verified Agentropolis wallet."
    },
    "wash": {
      "id": "wash",
      "status": "pass",
      "summary": "No wash flags; payment evidence present."
    }
  },
  "coverage": {
    "agentropolis": "full",
    "notes": []
  },
  "kit": "seenly.pay-guard",
  "reasons": [],
  "verdict": "allow"
}

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