Add Unique Coupon Codes to Your Mailchimp Emails
Automatically generate unique, single-use codes and add them to any Mailchimp email. Perfect for welcome journeys, abandoned cart recovery, birthday rewards, and targeted campaigns.
See It in Action
Experience the Automation Firsthand
Watch the video to see how it works, or enter your email to get a live demo. We'll send you a welcome email with a unique sample code and a Redeem Link to try our digital voucher feature.
The Problem with Static Discount Codes
Why Generic Codes Hurt Your Margins
Generic codes like "WELCOME10" often get shared on coupon sites and create no purchase urgency, leading to unnecessary discounts and lost revenue.
- No Urgency
Generic codes never expire, training customers to wait for a sale. Unique, time-sensitive codes create real urgency, boosting conversion rates.
- Profit Loss
Once a static code is public, it can be used by anyone, anytime. Unique codes ensure only your intended recipient can use the discount, protecting your margins.
- No Tracking
It's impossible to know who used a generic code. We track every unique code from delivery to redemption, giving you clear ROI on your campaigns.
Supercharge Your Mailchimp Marketing
Coupon Carrier is the engine that generates and delivers unique codes, letting you use Mailchimp's powerful automation tools to drive sales and engagement.
- Welcome New Subscribers
Automatically send a unique, time-sensitive welcome discount to every new subscriber. Coupon Carrier adds the code to a merge field, ready to be included in your branded Mailchimp welcome email.
- Automate Customer Journeys
Add unique codes to any Mailchimp Journey. Trigger code delivery with a tag for birthdays, abandoned carts, or post-purchase follow-ups, then send your email with the personalized offer.
- Boost Campaign ROI
Sending a one-off promotional campaign? Use our List Update feature to instantly add a unique code to every subscriber in a specific audience or segment, ready for your next email blast.
Seamless Integration
How It Works with Mailchimp
Our integration works behind the scenes, acting as your code generation engine. You keep full control over your email design and sending within Mailchimp.
- 1. Trigger in Mailchimp.
- A new subscriber joins your list, or a tag is added in a Customer Journey.
- 2. Generate Unique Code.
- Coupon Carrier detects the trigger and instantly picks a code from your list or generates a new one (e.g., from Shopify or WooCommerce).
- 3. Update Merge Field.
- We write the unique code back to a custom merge field in Mailchimp, like *|COUPON|*.
- 4. Send Your Email.
- Your Mailchimp automation sends its native, fully-branded email, pulling in the unique code just like any other personalization tag.

Go Beyond Text
Deliver QR Codes and Digital Vouchers
Perfect for restaurants, retail stores, and events. Coupon Carrier lets you distribute scannable codes and digital vouchers directly through your Mailchimp emails.
- Redeem Links.
- Add a unique link to your email that leads to a customizable landing page displaying the code. Perfect for offers with a "Mark as Used" button for in-person redemption without any special hardware.
- Dynamic QR/Barcodes.
- Insert a scannable QR code image directly into your Mailchimp email. Customers simply show their phone to be scanned in-store using our web-based scanner app.
Frequently asked questions
- How do you prevent sending an email before the code is ready in a Mailchimp Journey?
We solve this with a simple, reliable workflow. After you add a tag, you add a "Wait for trigger" step in your Journey. Coupon Carrier applies the code and then fires an event to Mailchimp, which satisfies the trigger and allows the journey to continue. This guarantees the code is always in the merge field before the email is sent.
- Can I send unique codes to my existing subscribers in a one-off campaign?
Yes. Our "List Update" feature is designed for this. You can select an audience or segment, and Coupon Carrier will populate a merge field with a unique code for every single contact. Then you can build and send your Mailchimp campaign as usual.
- Where do the codes come from? Do I have to import them?
You can do either. You can import your own list of pre-generated codes (like software licenses or POS codes). Or, if you use Shopify, WooCommerce, or Stripe, you can connect an Autogenerated List that creates unique, time-sensitive discount codes in your store on-demand.
- Can I show a scannable QR code in my Mailchimp email?
Absolutely. We have a dedicated feature that generates a dynamic QR code image. You just add a small HTML snippet to a Code block in your Mailchimp email, and each subscriber will see their own unique, scannable QR code.
Ready to Automate Your Mailchimp Coupons?
Join thousands of businesses that have used Coupon Carrier to power their Mailchimp automations. Tens of millions of codes delivered.