The 3-line integration.

import requests

def authorized(agent_id, action, estimated_cost=0.0):
    """Ask the gateway. Returns (decision, payload)."""
    r = requests.post(
        "https://agent-auth-gateway.onrender.com/v1/proxy",
        headers={"Authorization": "Bearer aag_YOUR_KEY"},
        json={"agent_id": agent_id,
              "action": action,
              "estimated_cost": estimated_cost},
        timeout=10)
    r.raise_for_status()
    g = r.json()
    return g["decision"], g

# in your agent loop:
decision, gate = authorized(7, "send_email", 0.02)
if decision == "allow":
    send_email(draft)
elif decision == "deny":
    log(f"blocked: {gate['reason']}")
else:  # require_approval
    approval_id = gate["approval_id"]
    wait_until_decided(approval_id)  # poll GET /v1/approvals

async function authorized(agentId, action, estimatedCost = 0) {
  const r = await fetch(
    "https://agent-auth-gateway.onrender.com/v1/proxy", {
    method: "POST",
    headers: {
      "Authorization": "Bearer aag_YOUR_KEY",
      "Content-Type": "application/json" },
    body: JSON.stringify({ agent_id: agentId,
      action, estimated_cost: estimatedCost }),
  });
  if (!r.ok) throw new Error(await r.text());
  const g = await r.json();
  return [g.decision, g];
}

// in your agent loop:
const [decision, gate] =
  await authorized(7, "send_email", 0.02);
if (decision === "allow") await sendEmail(draft);
else if (decision === "deny") log(`blocked: ${gate.reason}`);
else await waitUntilDecided(gate.approval_id);