Zmail SDK

https://api.zoom.us/v2/emails

// Generate RFC 2822 compliant message
function generateEmailMessage(from, to, subject, body) {
  const message = `From: ${from}\nTo: ${to}\nSubject: ${subject}\n\n${body}`;
  return btoa(message);  // Base64 encode
}

// Send email via API
async function sendEmail(mailbox, toEmail, subject, body) {
  const encodedMessage = generateEmailMessage(mailbox, toEmail, subject, body);
  
  const response = await fetch(
    `https://api.zoom.us/v2/emails/mailboxes/${mailbox}/messages/send`,
    {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${accessToken}`,
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        raw: encodedMessage
      })
    }
  );
  
  return response.json();
}

// Usage
await sendEmail(
  'sender@company.zmail.com',
  'recipient@example.com',
  'Meeting Follow-up',
  'Thank you for attending today\'s meeting.'
);

async function createDraft(mailbox, to, subject, body) {
  const encodedMessage = generateEmailMessage(mailbox, to, subject, body);
  
  await fetch(
    `https://api.zoom.us/v2/emails/mailboxes/${mailbox}/drafts`,
    {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${accessToken}`,
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        raw: encodedMessage
      })
    }
  );
}

const profile = await fetch(
  'https://api.zoom.us/v2/emails/mailboxes/me/profile',
  {
    headers: { 'Authorization': `Bearer ${accessToken}` }
  }
).then(r => r.json());

console.log('Email:', profile.email);

npm install @zoom/appssdk

<script src="https://appssdk.zoom.us/sdk.js"></script>

// IMPORTANT: Do NOT declare "let zoomSdk" - causes redeclaration error
// The SDK defines window.zoomSdk globally
let sdk = window.zoomSdk;

async function init() {
  try {
    const configResponse = await sdk.config({
      popout: true,
      capabilities: ['insertContentToMailActiveEditor'],
      version: '0.16'
    });
    
    console.log('Running in context:', configResponse.runningContext);
    // Will be "mailTab" when running in Zoom Mail
  } catch (error) {
    console.error('Not running inside Zoom client:', error);
  }
}

// Insert content into mail editor (must comply with Tiptap HTML specs)
await sdk.insertContentToMailActiveEditor({
  html: '<p>This content will be inserted into the email body.</p>'
});

async function getAccessToken() {
  const response = await fetch('https://zoom.us/oauth/token', {
    method: 'POST',
    headers: {
      'Authorization': 'Basic ' + btoa(`${clientId}:${clientSecret}`),
      'Content-Type': 'application/x-www-form-urlencoded'
    },
    body: 'grant_type=client_credentials'
  });
  
  const data = await response.json();
  return data.access_token;  // Valid for 1 hour
}