Up · Wallet Intent

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://api-payment-staging.up.railway.app/v1/wallet/intent", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "address": "0x0000000000000000000000000000000000000000",
    "horizonHours": 24,
    "lookbackMinutes": 360
  }),
});
const data = await res.json();

curl -X POST \
  "https://api-payment-staging.up.railway.app/v1/wallet/intent" \
  -H "Content-Type: application/json" \
  -d '{"address":"0x0000000000000000000000000000000000000000","horizonHours":24,"lookbackMinutes":360}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "coverage": {
    "note": "Recent Base ERC-20 activity only"
  },
  "freshness": {
    "cacheHit": false,
    "cacheTtlSeconds": 15,
    "chainTipBlock": "50000000",
    "observedAt": "2026-08-16T00:00:00.000Z"
  },
  "pricing": {
    "paymentRequired": true,
    "priceUsd": 0.01
  },
  "product": {
    "accessMode": "paid",
    "name": "WalletAWARE",
    "network": "base"
  },
  "request": {
    "address": "0x0000000000000000000000000000000000000000",
    "horizonHours": 24,
    "lookbackMinutes": 360
  },
  "result": {
    "confidence": 0.43,
    "intent": "indeterminate",
    "limitations": [
      "Low-evidence cases intentionally return indeterminate."
    ],
    "model": {
      "calibrated": true,
      "version": "base-intent-logit/0.1"
    }
  },
  "schema": "wallet-aware/intent-response/v1"
}