Examples & Use Cases

Ready-to-use code snippets for the most common transactional messaging patterns. These examples demonstrate sending emails and WhatsApp messages for critical business events.

1. OTP Delivery (One-Time Password)

Send a secure OTP via WhatsApp with a 5-minute expiration.

await cp.whatsapp.messages.send({  to: '+1234567890',  type: 'template',  template: {    name: 'otp_auth',    language: { code: 'en_US' },    components: [      { type: 'body', parameters: [{ type: 'text', text: '849201' }] },      { type: 'button', sub_type: 'url', index: 0, parameters: [{ type: 'text', text: '849201' }] }    ]  }});

2. Order Notifications

Send an order confirmation email with a styled HTML receipt.

await cp.emails.send({  from: 'orders@yourstore.com',  to: ['customer@gmail.com'],  subject: 'Order #9928 Confirmed',  html: '<h1>Thanks for your order!</h1><p>Your package will ship in 24 hours.</p>',  tags: ['ecommerce', 'receipt']});

3. Password Reset

A high-priority email with a secure reset link.

await cp.emails.send({  from: 'security@myapp.com',  to: ['user@example.com'],  subject: 'Reset your password',  html: '<p>Click <a href="https://myapp.com/reset?token=xyz">here</a> to reset your password.</p>',  priority: 'high'});

4. Invoice Delivery

Send an email with a PDF invoice attached.

import fs from 'fs';const invoicePdf = fs.readFileSync('./invoice_102.pdf').toString('base64');await cp.emails.send({  from: 'billing@saas.com',  to: ['client@corp.com'],  subject: 'Invoice for October',  html: '<p>Please find your invoice attached.</p>',  attachments: [    {      filename: 'invoice_102.pdf',      content: invoicePdf,      type: 'application/pdf'    }  ]});

5. Appointment Reminders

Send an interactive WhatsApp message with RSVP buttons 24 hours before an appointment.