Stop paying for dead mailboxes. Intercept bounces before they touch your reputation.

import { SadaSend } from 'sadasend';

const sadasend = new SadaSend({
  apiKey: process.env.SADASEND_API_KEY,
});

// Pass verifyBeforeSend: true to activate in-flight Pre-Send Bounce Defense
const { data, error } = await sadasend.emails.send({
  from: 'Acme <notifications@yourdomain.com>',
  to: 'customer@example.com',
  subject: 'Your Order #1042 has shipped',
  html: '<p>Hi Customer, your package is on the way!</p>',
  verifyBeforeSend: true, // Evaluated in sub-15ms before queue insertion
});

if (error) {
  if (error.code === 'recipient_undeliverable') {
    // Intercepted by Pre-Send Shield!
    // Zero-Debit Guarantee: $0.00 debited from send quota.
    console.warn('Blocked dead address before send:', error.message);
  }
} else {
  console.log('Dispatched successfully. Message ID:', data.id);
}