Wunderkind

Labor Day has long marked summer's unofficial finale. For consumers, it's one last barbecue, one final getaway, and a chance to tackle home projects before autumn arrives. For retailers, however, it represents one of the biggest shopping weekends before the holiday season, and an opportunity to capture valuable customer relationships that extend far beyond a single long weekend. Despite continued pressure on household budgets, Labor Day remains a resilient retail moment.

Harry Can Convert has been thinking about the same pair of boots for four days. He first found them on a Thursday night, somewhere between watching highlights and pretending he was only browsing. They are not cheap, which is part of the appeal. The colorway is sharp. The reviews are strong. They look like the kind of purchase you justify to yourself three separate times before finally clicking buy. So he does what high-intent shoppers always do when they are close but not quite there.

WunderKIND Ads and Attain Launch Advanced Commerce Data Solution, Driving Measurable ROI and Incremental Sales Lift NEW YORK, NY – April 9, 2026 – WunderKIND Ads, the leader in user-first, performance-driven digital advertising, and Attain, the most trusted and comprehensive source of live permissioned purchase data helping brands connect media to real sales outcomes, today announced a strategic partnership to deliver a powerful new commerce data solution for brands.

Most agencies want to prove they can unlock more from their clients’ owned channels—without breaking anything or burning hours in the process. That’s exactly why we designed a Wunderkind pilot to be low‑risk, high‑upside, and fully aligned to how agencies already work with their clients’ email service providers (ESPs), CDPs, SMS tools, and marketing clouds. We keep it simple: plug in, power up, don’t start over. We start by getting crisp on the problem your client is actually feeling.

Paid media is getting more expensive, third‑party cookies are fading, and tracking is only getting harder. Agencies feel that squeeze every day in their performance reports. To keep ecommerce revenue growing, many brands are tempted to fall back on batch‑and‑blast email marketing and generic SMS marketing. The logic is simple: if you can’t track as well, just send more.

Most email and SMS agencies are running into the same frustrating pattern. You build smart strategies, strong creative, and thoughtful customer journeys in platforms like Klaviyo, Braze, Salesforce Marketing Cloud, and other email service providers (ESPs). You optimize flows, test subject lines, and tweak segmentation. But performance and ecommerce revenue still hit a ceiling—because the real constraint isn’t your ideas, it’s who your clients can actually recognize and reach.

When people talk about “performance marketing,” the conversation usually jumps straight to channels: paid search, paid social, retargeting, affiliates. You pour money into those channels, optimize campaigns, and hope to see more revenue come out the other side. But if you look closely at how revenue is actually created, it’s not one big switch you flip. It’s a series of small, critical moments between a first visit and a loyal customer. At each moment, you either capture value or you lose it.

Data is only useful when you can actually understand it. Marketers today have access to more performance data than ever, but turning that data into a clear, compelling story often takes time. Too much time. Between manual reports, recurring calls, and data requests, understanding the impact of your marketing efforts shouldn’t feel like its own separate job.

Marketing teams today face a simple but critical problem: most of their website visitors remain anonymous. High-intent shoppers browse, abandon, and leave without ever entering a single journey. The Wunderkind and Braze partnership is designed to change that dynamic. With Wunderkind Signals for Braze, brands can combine identity resolution and real-time behavioral insight with best-in-class journey orchestration.

Wunderkind Signals for Klaviyo is designed to give you more reach and revenue without ever taking sending control away from your Klaviyo account. That’s especially important for compliance, mailability, and long‑term deliverability. Signals is a “data‑only” integration: Wunderkind tracks behavior onsite (browse, cart, product views, etc.) and sends a JSON payload into Klaviyo as an event/metric, but Klaviyo is what actually sends the email or SMS.