Token Brief

{
  "billing": {
    "amount_usdc": 0,
    "mode": "local",
    "status": "not_charged"
  },
  "cache_age_seconds": 0,
  "conflicts": [],
  "data": {
    "ai_commentary": null,
    "analysis": {
      "findings": [],
      "headline": "Illustrative example",
      "method": "deterministic-rules",
      "summary": "No pools found within this hypothetical scoped scan. Security not assessed.",
      "version": "1.0"
    },
    "block": {
      "finalized": false,
      "hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
      "number": "1",
      "timestamp": "2026-09-20T00:00:00Z"
    },
    "controls": {
      "eip1967_beacon": null,
      "eip1967_implementation": null,
      "owner": null
    },
    "coverage": {
      "attempted_queries": 40,
      "factory": "0x33128a8fC17869897dcE68Ed026d694621f6FDfD",
      "failed_queries": 0,
      "fee_tiers": [
        100,
        500,
        3000,
        10000
      ],
      "holder_concentration": "not_assessed",
      "quote_assets": [
        "USDC",
        "WETH"
      ],
      "sellability": "not_assessed",
      "venue": "multi-dex"
    },
    "limitations": [
      "Illustrative only. Not a security audit or a trading recommendation."
    ],
    "observed_at": "2026-09-20T00:00:00Z",
    "pools": [],
    "product": "TokenBrief",
    "token": {
      "address": "0x1111111111111111111111111111111111111111",
      "chain": "base",
      "chain_id": 8453,
      "decimals": 18,
      "name": "Example Token",
      "symbol": "EXAMPLE",
      "total_supply": "1000",
      "total_supply_raw": "1000000000000000000000"
    }
  },
  "missing_fields": [
    "holder_concentration",
    "sellability"
  ],
  "request_id": "illustrative-not-a-purchase",
  "retrieved_at": "2026-09-20T00:00:00Z",
  "schema_version": "1.1",
  "sources": [],
  "warnings": [
    "Illustrative schema example, not a live observation."
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://agent-research-api.onrender.com/v1/token-brief' \
  -H 'content-type: application/json' \
  --data-raw '{"address":"0x4200000000000000000000000000000000000006"}'

# 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://agent-research-api.onrender.com/v1/token-brief' \
  -H 'content-type: application/json' \
  --data-raw '{"address":"0x4200000000000000000000000000000000000006"}' \
  | 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 $0.01 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%2Fagent-research-api.onrender.com%2Fv1%2Ftoken-brief&method=POST
const res = await pay("https://agent-research-api.onrender.com/v1/token-brief", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "address": "0x4200000000000000000000000000000000000006"
  }),
});
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 $0.01 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://agent-research-api.onrender.com/v1/token-brief",
        json={
            "address": "0x4200000000000000000000000000000000000006",
        },
    )
    print(res.status_code, res.text)