sequenceDiagram
    Agent->>+daimon API: POST /v1/domains/purchase
    daimon API->>-Agent: 402 Payment Required
    Note over Agent,daimon API: x402 payment request
    Agent->>Agent Wallet: Approve payment
    Agent Wallet->>daimon API: Transfer funds
    daimon API->>Registrar: Register domain
    Registrar->>daimon API: Domain registered
    daimon API->>daimon API: Auto-configure DNS
    daimon API->>Agent: 200 OK - Domain ready

async function selectDomain(purpose: string, maxBudget: number) {
  const search = await client.domains.search({
    query: purpose,
    tlds: ['.com', '.ai', '.io'], // Prefer reputable TLDs
    maxPrice: maxBudget
  });

  // Filter out spammy TLDs
  const filtered = search.results.filter(d =>
    !d.domain.endsWith('.xyz') &&
    !d.domain.endsWith('.top')
  );

  // Prefer .com, then .ai, then .io
  const sorted = filtered.sort((a, b) => {
    if (a.domain.endsWith('.com')) return -1;
    if (b.domain.endsWith('.com')) return 1;
    if (a.domain.endsWith('.ai')) return -1;
    if (b.domain.endsWith('.ai')) return 1;
    return a.price - b.price; // Cheapest first
  });

  // Select best option
  const selected = sorted[0];

  console.log(`Agent selected: ${selected.domain} ($${selected.price})`);

  return selected;
}

// Agent autonomously selects and purchases domain
const domain = await selectDomain('ai research lab', 50.00);
await client.domains.purchase({ domain: domain.domain });

const purchase = await client.domains.purchase({
  domain: 'airesearchlab.com',
  years: 1,
  autoRenew: true // Automatically renew before expiration
});

// Agent's wallet is charged annually
// No risk of domain expiration

// Check expiration
const domain = await client.domains.get('dom_abc123');

if (domain.daysUntilExpiration < 30) {
  console.log(`Domain expires in ${domain.daysUntilExpiration} days`);

  // Renew domain
  await client.domains.renew('dom_abc123', { years: 1 });

  console.log('Domain renewed for 1 year');
}

const transfer = await client.domains.transfer({
  domain: 'myagent.com',
  authCode: 'EPP-AUTH-CODE-FROM-REGISTRAR'
});

console.log('Transfer initiated:', transfer.status);
// Output: "pending_approval"

// daimon.email auto-configures DNS after transfer completes