Introduction
Sending discount codes via email is an effective strategy for boosting sales and rewarding loyal customers. Using Klaviyo coupon code emails, e-commerce marketers can automate and personalize promo codes within their email templates. Whether you want to add fixed, percentage-based, or dynamic coupon codes, Klaviyo offers robust tools to enhance your email marketing campaigns. This guide will explain how to add promo codes to emails in Klaviyo, sharing best practices, examples, and advanced tips.

How to Add a Coupon Code to an Email Template in Klaviyo
The most efficient way to add a coupon code to an email template in Klaviyo is by using the Coupon Block or by integrating dynamic coupon codes directly into your email design. This allows you to display unique or static promo codes to drive sales and improve customer engagement.
Step-by-Step Guide: Adding a Klaviyo Coupon Code to an Email
1. Log in to Your Klaviyo Account
Go to www.klaviyo.com and log in using your credentials.
2. Create a New Coupon Code in Klaviyo
a. Navigate to Coupons
From the left-hand menu, select Content > Coupons.
Click Create Coupon to generate a new discount code.
b. Choose the Coupon Type
Static Coupon Code: Manually enter a fixed code (e.g., "SAVE20"). Ideal for broad promotions.
Dynamic Coupon Code: Generate unique codes for each recipient. Useful for personalized offers and avoiding code sharing.
c. Configure Coupon Settings
Discount Type: Choose between Percentage, Fixed Amount, or Free Shipping.
Value: Set the discount amount (e.g., 20% off or $10 off).
Expiration Date: Specify when the coupon expires to create urgency.
Usage Limits: Determine if the code is for one-time use or reusable.
3. Add the Coupon Code to an Email Template
a. Create or Edit an Email Template
Go to Content > Templates, then select Create Template.
Use the Drag-and-Drop Editor for easy customization.
b. Insert a Coupon Block into the Email
Drag the Coupon Block from the sidebar into your email template.
In the Coupon Block Settings, select the Coupon Code Source:
Static Code: Enter the fixed code manually.
Dynamic Code: Choose the dynamic coupon you created earlier.
c. Customize the Display
Add Text or Image Elements around the coupon to make it visually appealing.
Use bold and vibrant colors to highlight the discount offer.
Example: “Use code SAVE20 at checkout to enjoy 20% off your next purchase!”
4. Preview and Test the Email
Click Preview to see how the coupon will appear in both desktop and mobile views.
Send a Test Email to verify the coupon code displays correctly and ensure any dynamic codes populate as expected.
5. Send or Schedule the Email
Once the email is ready, click Save & Continue.
Review the settings, then choose to Send Now or Schedule the email campaign.
Best Practices for Sending Discounts via Klaviyo
1. Use Dynamic Coupon Codes for Better Control
Dynamic codes are ideal for one-time use, preventing unauthorized sharing.
These codes are auto-generated and can include a Limited Validity Period to create urgency.
2. Highlight the Value Proposition
Make the offer clear and compelling.
Include Strong Call-to-Actions (CTAs) like “Shop Now” or “Redeem Your Discount.”
3. Test Coupons Before Launching
Always run a test email to ensure the coupon code displays correctly and is applied at checkout.
Test dynamic codes in a staging environment if available.
4. Monitor Performance of Promo Code Emails
Analyze metrics such as Open Rate, Click-Through Rate, and Redemption Rate.
Use Klaviyo’s Analytics Dashboard to gain insights into which codes perform best.
Common Mistakes to Avoid with Klaviyo Coupon Code Emails
Forgetting to Set Expiration Dates: Avoid leaving coupon codes open-ended, which can lead to revenue leakage.
Overusing Discounts: Excessive discounting may devalue your brand. Use codes strategically to maintain brand integrity.
Not Personalizing Offers: Whenever possible, use dynamic codes to deliver personalized discounts based on customer behavior or purchase history.
Conclusion
Adding a coupon code to an email template in Klaviyo is a straightforward process that can significantly boost engagement and drive sales. By leveraging dynamic coupon codes, personalizing offers, and following best practices, you can create compelling email campaigns that deliver real results.
📩 If your email program is underperforming and you’re unsure how to optimize your discount strategy, let’s talk.
At Dispatch, we help brands maximize revenue from email & SMS without damaging subscriber engagement.
👉 Connect with Dispatch today to optimize your email marketing strategy.
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