Enterprise-ready: Slack/Discord/PagerDuty alerts · Scheduled reports · Custom dashboards · Budget enforcement · PDF exports
$ npm install @x402sentinel/x402
$ cat agent.ts
import { wrapWithSentinel, standardPolicy } from "@x402sentinel/x402";
const fetch = wrapWithSentinel(x402Fetch, {
agentId: "researcher-01",
budget: standardPolicy(),
});
const res = await fetch("https://api.example.com/data");
$ sentinel status
✓ Budget enforced $0.04 / $25.00 hourly (0.16%)
✓ Payment logged tx: 0x3a9f...c2e1 on Base
✓ Audit recorded rec_7kQ3mXvB9pLw
✓ Agent tracked researcher-01 (47 payments today)Sentinel is the audit and compliance layer for x402 payments. AI agents spend real money via the x402 protocol — Sentinel intercepts every payment, enforces budget limits, and logs a complete audit trail. One npm install. One line of code. Full visibility into where every dollar goes.
Every payment tracked. Every budget enforced. Full audit trail from agent to endpoint.
npm install @x402sentinel/x402
One function call. No code changes to your agents.
Per-call, hourly, daily limits. Blocked before payment.
Every payment logged. Dashboard, filters, CSV export.
Drop-in wrapper for x402 fetch. Budget enforcement, audit logging, spike detection. npm install and go.
Real-time spend analytics. Agent monitoring. Drill down by endpoint, category, network. CSV export for compliance.
Zero-code integration. Change one URL. Every payment tracked. No SDK, no npm install, no code changes.
Per-call, hourly, daily, total limits. Spike detection. Endpoint allowlists/blocklists. Preset or custom.
Structured records for every payment. Agent, endpoint, amount, tx hash, timing, context. Queryable. Exportable.
Public x402 payment explorer. Endpoint rankings, network stats, volume charts. Real transaction data, not synthetic tests.
82
Tests Passing
18
API Endpoints
5
Chains Supported