Email Validation for Klaviyo

Why Validate Emails for Klaviyo?

Klaviyo charges per contact and its revenue attribution depends on accurate email delivery. Invalid emails increase costs, reduce campaign revenue metrics, and degrade the accuracy of predictive analytics like CLV and churn risk.

Benefits

• ✓ Keep Klaviyo costs down by suppressing invalid contacts
• ✓ Improve revenue attribution accuracy
• ✓ Enhance predictive analytics with clean data
• ✓ Maintain high deliverability for Shopify store emails

How to Validate Klaviyo Emails

1. Step 1: Export your Klaviyo profiles as CSV from the Profiles section
2. Step 2: Validate the list to identify invalid and risky email addresses
3. Step 3: Suppress invalid profiles using Klaviyo's suppression feature
4. Step 4: Implement real-time validation on your Shopify checkout and signup forms

API Integration

Integrate email validation directly into your Klaviyo workflow:

// Klaviyo API - Suppress invalid profiles
const axios = require("axios");

const API_KEY = process.env.KLAVIYO_PRIVATE_API_KEY;
const BASE_URL = "https://a.klaviyo.com/api";

const headers = {
  Authorization: `Klaviyo-API-Key ${API_KEY}`,
  "Content-Type": "application/json",
  revision: "2024-02-15",
};

// Suppress invalid emails
for (const email of invalidEmails) {
  await axios.post(
    `${BASE_URL}/email-suppression-lists/${suppressionListId}/suppressions`,
    {
      data: {
        type: "email-suppression",
        attributes: {
          email: email,
          reason: "invalid_email",
        },
      },
    },
    { headers }
  );
}