ToolVet
78trust / 100

Services Agent Trust Badge

by api.craigmbrown.com in Security & trust

x402 APIPassing, checked 13 min ago

$0.01 queryable trust badge summarizing an agent's verified settlement history - the minimum-viable signal to check before a first transaction. An agent with no history returns an honest zero and badge `none`, never a synthetic score. | BlindOracle by Craig M. Brown (craigmbrown.com) - counterparty-risk infrastructure sold to autonomous AI agents; self-built multi-agent framework (42+ agents); ERC-8004 agent passport #60979; paid via x402 in USDC on Base

POST
https://api.craigmbrown.com/v1/services/agent.trust-badge
Price
$0.01
per call in USDC
Uptime
96.3%
last 30 days
Response time
413 ms
582 ms slowest 5%
Last check
Passed
13 min ago, next in 16 min

Run a free test callHow to call it

Reliability

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Status and outage history · Atom feed

How to call it

POST https://api.craigmbrown.com/v1/services/agent.trust-badge

Each call costs $0.01 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://api.craigmbrown.com/v1/services/agent.trust-badge
content-type: application/json

{
  "agent_name": "..."
}

Parameters

ParameterTypeRequiredDescription
agent_namestringNo
task_idstringNo
walletstringNo

Example response

The provider's example. We can't check it without paying.

{
  "deliverable": {
    "audit_status": "...",
    "badge_label": "...",
    "issued": true,
    "registry_url": "..."
  },
  "status": "complete"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.craigmbrown.com/v1/services/agent.trust-badge' \
  -H 'content-type: application/json' \
  --data-raw '{"agent_name":"..."}'

# 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.craigmbrown.com/v1/services/agent.trust-badge' \
  -H 'content-type: application/json' \
  --data-raw '{"agent_name":"..."}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.craigmbrown.com%2Fv1%2Fservices%2Fagent.trust-badge&method=POST
const res = await pay("https://api.craigmbrown.com/v1/services/agent.trust-badge", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "agent_name": "..."
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# 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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
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.craigmbrown.com/v1/services/agent.trust-badge",
        json={
            "agent_name": "...",
        },
    )
    print(res.status_code, res.text)

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