Stop AI Agents From Burning Your Budget

A firewall for autonomous AI agent spending. 7 composable rules, evaluated per-transaction in under 1ms. Python stdlib only — zero dependencies.

Check Your Risk →

The $2,800 Wake-Up Call

$2,800 in 60 seconds

At 3 AM, an AI agent made 21 API calls to a premium endpoint. Each cost $133. By the time the budget alert email arrived, it was too late. The agent had already moved on to its next task.

Without AgentShield

  • API rate limits kick in too late
  • Budget alerts arrive via email — while you sleep
  • Manual monitoring doesn't scale past 3 agents
  • No per-merchant guardrails
  • No velocity controls

With AgentShield

  • Every transaction evaluated in <1ms
  • 7 rule types: limit, daily, velocity, allowlist, category
  • Real-time SSE alerts the instant a block fires
  • Multi-tenant isolation out of the box
  • Offline cryptographic licensing — no server dependency

How It Works

1

Connect Your Agent

Generate an API key for each agent. Route transactions through the /v1/transactions/evaluate endpoint before they execute.

2

Set Your Rules

Configure transaction limits, daily caps, velocity thresholds, merchant allowlists, and category blocks via the dashboard or API.

3

Sleep Easy

Every transaction is evaluated against your rules in <1ms. Blocks fire instantly and stream to your dashboard via SSE.

Agent Spend Risk Calculator

See your financial risk profile in real time. No signup required.

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Risk Score

Simple Pricing

Free

$0
  • 1 AI agent
  • 0 custom rules
  • 100 daily evaluations
  • Community support
POPULAR

Dev

$19/mo
  • 5 AI agents
  • 10 custom rules
  • 1,000 daily evaluations
  • Email alerts
  • API access

Team

$99/mo
  • 20 AI agents
  • 50 custom rules
  • 5,000 daily evaluations
  • SSE real-time alerts
  • Priority support

Managed

$499/mo
  • 100 AI agents
  • 200 custom rules
  • 50,000 daily evaluations
  • Custom integrations
  • SLA + dedicated support

Get Your Risk Report

We'll send you a detailed breakdown of your agent spend risk and recommended firewall rules.