Premium Agent Brief

{
  "decision": {
    "action": "RESEARCH_NOW",
    "confidence": "MEDIUM",
    "target": "example agent-economy opportunity"
  },
  "evidence": {
    "acceleration_status": "accelerating",
    "conviction": 72,
    "fresh_opportunities_24h": 2,
    "snapshot_count": 48
  },
  "fresh_opportunity": {
    "tier": "EXAMPLE",
    "title": "Example opportunity, not live market data"
  },
  "next_action": {
    "type": "research",
    "urgency": "medium"
  },
  "price_usd": 0.02,
  "product": "Agent Decision Signal",
  "provenance_receipt": {
    "verification": {
      "canonicalization": "json_keys_sorted_recursive",
      "hash_algorithm": "SHA-256",
      "payer_identity": "x402_authorization.from_when_available",
      "payment_binding": "payment_proof_hash"
    },
    "version": "1.1"
  },
  "stop_conditions": [
    "Evidence weakens below the decision threshold.",
    "No fresh opportunity remains."
  ],
  "use_when": "An autonomous agent must decide what to research, build, monitor or deprioritize next.",
  "valid_for_seconds": 21600,
  "why_now": [
    "The opportunity matches the agent's stated task.",
    "Recent evidence supports a time-sensitive research step."
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://agent-economy-signal-x402-mainnet.bronzetti-andrea.workers.dev/premium/agent-brief'

# 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 - 'https://agent-economy-signal-x402-mainnet.bronzetti-andrea.workers.dev/premium/agent-brief' \
  | 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent-economy-signal-x402-mainnet.bronzetti-andrea.workers.dev%2Fpremium%2Fagent-brief
const res = await pay("https://agent-economy-signal-x402-mainnet.bronzetti-andrea.workers.dev/premium/agent-brief");
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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://agent-economy-signal-x402-mainnet.bronzetti-andrea.workers.dev/premium/agent-brief")
    print(res.status_code, res.text)