1import { Resend } from 'resend';
2
3const resend = new Resend('re_xxxxxxxxx');
4
5// Monitor API key lifecycle events
6const { data: keys, error: listError } = await resend.apiKeys.list();
7
8if (listError) throw new Error(`Failed to list keys: ${listError}`);
9
10// Send rotation notification for each key
11for (const key of keys.data) {
12  const notificationEmail = 'security@example.com';
13  await resend.contacts.create({
14    email: notificationEmail,
15    firstName: 'Security',
16    lastName: 'Admin',
17    unsubscribed: false,
18  });
19  console.log(`Key rotation notification queued for ${key.id}`);
20}

// Section 2 is empty — no additional API calls; key list data flows from Section 1
// keys.data is available from the resend.apiKeys.list() call above
console.log(`Total API keys detected: ${keys.data.length}`);

1{
2  "object": "list",
3  "has_more": false,
4  "data": [
5    {
6      "id": "91f3200a-df72-4654-b0cd-f202395f5354",
7      "name": "Production",
8      "created_at": "2026-04-08T00:11:13.110779+00:00",
9      "last_used_at": "2026-11-01T17:09:51.813959+00:00"
10    },
11    {
12      "id": "dacf4072-4119-4d88-932f-6202748ac7c8",
13      "name": "Staging",
14      "created_at": "2026-03-15T12:30:45.123456+00:00",
15      "last_used_at": "2026-10-20T08:15:22.654321+00:00"
16    }
17  ]
18}

1// Using the same resend instance and continuing from Section 1
2const { data: keyData, error: createError } = await resend.apiKeys.create({ name: 'Production' });
3
4if (!createError && keyData?.id) {
5  const { data, error } = await resend.contacts.create({
6    email: 'owner@example.com',
7    firstName: 'Key',
8    lastName: 'Owner',
9    unsubscribed: false,
10  });
11  console.log('Rotation notification contact created:', data?.id);
12}

1// Using keyData from Section 3 if available, otherwise using a known keyId
2// keyId is set here verbatim as specified in the section
3const keyId = 'b6d24b8e-af0b-4c3c-be0c-359bbd97381e';
4const revokedAt = new Date().toISOString();
5
6const { data, error } = await resend.apiKeys.remove(keyId);
7
8if (!error) {
9  await resend.contacts.update({
10    email: 'security-team@company.com',
11    unsubscribed: false,
12  });
13}

1// Webhook handler using the same resend instance from Section 1
2export async function handleApiKeyWebhook(event: any) {
3  const { eventType, keyId } = event;
4  
5  if (eventType === 'api_key.rotated' || eventType === 'api_key.revoked') {
6    const { data, error } = await resend.apiKeys.list();
7    if (!error && data) {
8      await resend.contacts.update({
9        email: 'admin@example.com',
10        unsubscribed: false,
11      });
12    }
13  }
14}

1// Monitor delivery and handle failures, using the same resend instance from Section 1
2async function monitorEmailDelivery() {
3  let retryCount = 0;
4  const maxAttempts = 3;
5
6  while (retryCount < maxAttempts) {
7    const { data, error } = await resend.contacts.create({
8      email: 'recipient@example.com',
9      firstName: 'User',
10      unsubscribed: false,
11    });
12
13    if (error) {
14      retryCount++;
15      console.error(`Delivery attempt ${retryCount} failed:`, error);
16      if (retryCount >= maxAttempts) {
17        console.error('Critical notification failed after max retries');
18        throw new Error('Email delivery failed');
19      }
20    } else {
21      console.log('Email delivery successful. Contact ID:', data.id);
22      break;
23    }
24  }
25}
26
27monitorEmailDelivery();