The Amazon Prime Day playbook has been rewritten and it no longer starts on Amazon.
Weeks before a single deal goes live, TikTok’s For You Page, Reddit’s threads, and ChatGPT’s shopping queries are buzzing with potential customers, discovering and considering new products. Making the most of Prime Day now requires more than a carefully planned Amazon Ad strategy, it means creating and shaping demand wherever purchase intent is forming:
- TikTok, where 70% of users say they discover new products
- Reddit, where 443+ million weekly visitors consult with other shoppers before they make a purchase
- ChatGPT, where millions of consumers describe exactly what they want
What does a discovery-first Amazon Prime Day strategy look like and why it is vital for success?
How This Changes Amazon Prime Day Strategies
Off-platform discovery now drives on-platform conversions. This means brands need to execute upper and mid-funnel strategies off-site, increase the range of channels, and leverage the impact of discovery activity to make Amazon Ads on Prime Day more efficient.
Implementing a Discovery-First Prime Day Strategy
Social commerce strategies, including Reddit and TikTok ad strategies, are changing the playbook for Prime Day:
- Prime Day starts earlier. The 4–6 week pre-event window is where off-site discovery shapes the demand that Amazon Ads will harvest. Brands that activate in this window arrive at Prime Day with warmer audiences and stronger brand recognition.
- Discovery signals improve Amazon targeting. Engagement signals from social, creator, and community platforms can be used to sharpen Amazon audience strategies thus creating a clear, measurable pathway from discovery to purchase.
- Amazon Ads should lean into conversion. With upper-funnel work happening off-platform, Amazon Ads campaigns can shift budget and focus toward conversion-stage placements where intent is already high.
- Paid social and retail media need to work together. Messaging, creative, budgets, and timing must be coordinated across channels. Cross-functional alignment between retail media, social, and brand teams is now a competitive requirement, not a nice-to-have.
Brands that execute this playbook consistently see warmer audiences, lower CPCs, and stronger new-to-brand performance heading into Prime Day. The challenge is measuring it accurately.
Measuring What Discovery Channels Actually Contribute
Most measurement models aren’t built for a multi-channel discovery world. Last-click attribution systematically undervalues early-funnel activity and that gap in visibility makes it harder to justify the investment, even when it’s working.
Brands are shifting toward metrics that better reflect real business impact: new-to-brand rate, branded search growth, incrementality, and total sales lift. These metrics tell a fuller story about how discovery investment is building the demand that retail media converts.
But knowing which channels deserve credit requires a different kind of infrastructure. Pacvue’s Measurement Console and iROAS Dashboard are built specifically for this problem. Rather than relying on a fixed attribution formula, the model pulls from dozens of variables across organic and paid share of voice, channel budget mix, search, DSP, and sales KPIs to isolate the true incremental impact of each channel. The result: a clear, defensible answer to the question that always comes up in budget conversations — would those sales have happened anyway?
For Prime Day specifically, that matters. When TikTok or Reddit activity lifts branded search in the weeks before the event, traditional attribution doesn’t capture it. Pacvue’s measurement layer connects those upstream signals to downstream performance, so brands can prove that discovery spend is making their Amazon Ads more efficient when it counts.
Three Channels Where Discovery Is Happening Now
Three channels are emerging as new starting points for the shopper journey. Each works in a different way, requires a different approach, and presents its own set of challenges.
TikTok: From Entertainment to Purchase Intent
“70% of users discover new brands and products on TikTok”
“Three in four users are likely to buy something while using TikTok”
Source: Retail Dive
TikTok is the home of creator-led discovery. A well-executed TikTok strategy lifts branded search on Amazon in the weeks before Prime Day, priming audiences before the main event and lowering the cost of conversion when it matters most.
GMV Max is TikTok Shop’s AI-driven advertising system. Rather than manually controlling bids, placements, and creatives, advertisers set a budget, define a target, and select their products. TikTok’s algorithm then optimizes delivery across paid, organic, and creator-led commerce automatically, designed to maximize revenue across the full TikTok ecosystem.
For enterprise brands, getting the most out of GMV Max means pairing it with the right operating layer. TikTok campaigns don’t exist in isolation. They’re part of a broader investment portfolio with margin targets, multi-SKU priorities, and Prime Day timing to coordinate.
The brands that treat TikTok as a standalone channel will struggle to answer the questions that ultimately drive budget decisions: Which campaigns drove incremental sales versus capturing existing demand? Which creators delivered new-to-brand customers? How did TikTok activity influence branded search, Amazon conversion efficiency, or DSP performance heading into Prime Day?
Those questions require cross-channel infrastructure, not just campaign-level reporting. Pacvue’s TikTok Shop integration brings TikTok Ads into the same Commerce OS used to manage Amazon, Walmart, and 100+ other retail media channels, giving teams portfolio-level budget controls, standardized campaign structures, and unified reporting that connects TikTok discovery to downstream retail media performance. So when Prime Day arrives, you’re not reconciling spreadsheets. You’re already seeing the lift.
Reddit: The High-Intent Research Channel Most Brands Ignore
“71% of people who discovered a brand online or off, researched it on Reddit”
“74% of people agree that Reddit helps them make faster purchase decisions, #1 vs social media competitors”
Source: Reddit internal research
Reddit is where shoppers actively do their research, seek product validation, and look for real-world recommendations. It’s a fundamentally different kind of influence, and for that reason, it drives some of the highest-intent traffic of any social platform.
In May 2025, Reddit launched Dynamic Product Ads, enabling brands to place products directly inside commercially relevant conversations. This gives brands the ability to influence shoppers at the consideration stage, before they ever reach Amazon search, exactly the kind of upstream influence that accelerates Prime Day performance.
The strategic challenge with Reddit isn’t activation. It’s measurement. A shopper who discovers and validates a product on Reddit may convert days later through Amazon Sponsored Products or branded search, and in a last-click attribution model, Reddit gets none of the credit. Discovery investment looks inefficient precisely because it’s working upstream of where the conversion registers.
This is where Pacvue’s measurement layer changes the equation. Rather than relying on a fixed attribution formula, Pacvue pulls from dozens of variables across organic and paid share of voice, channel budget mix, search, DSP, and sales KPIs to isolate the true incremental contribution of each channel. For Reddit specifically, that means being able to answer: which communities are driving the strongest downstream performance? Is Reddit investment making Amazon Ads more efficient during Prime Day? How should budget be balanced between community-driven discovery and retail media conversion? Those aren’t questions Reddit’s native reporting answers. They’re exactly what Pacvue is built for.
AI Platforms: The Highest-Intent Discovery Surface Yet
“Traffic from ChatGPT to Target is growing 40% on average each month, per Target”
“AI chatbots are expected to assist 63.3 million US shoppers in 2026”
Conversational commerce has arrived. Platforms like ChatGPT are now actively consulted for product recommendations, comparisons, and deal discovery. Retailers including Target, Sephora, and Wayfair have already integrated their shopping experiences with ChatGPT’s Instant Checkout, allowing shoppers to find, compare, and purchase products without ever leaving the conversation.
In May 2026, in collaboration with the agency Kepler, Pacvue became a technology partner for ads in ChatGPT, giving brands and agencies a structured, measurable path into this channel from day one. Rather than building a net-new operating model from scratch, brands can activate on ChatGPT with the same control, automation, and measurement infrastructure they already rely on across retail media — and learn in parallel, not in sequence.
Winning on ChatGPT Starts with Your Digital Shelf
The first-mover window is still open, and Pacvue’s partnership is designed to help brands use it strategically. But conversational AI introduces a discoverability dynamic that’s fundamentally different from traditional search. AI systems surface recommendations based on structured product data, including feed quality, pricing accuracy, availability, reviews, and authoritative content, before an ad ever enters the equation.
That means ChatGPT advertising and digital shelf execution aren’t parallel workstreams. They’re interdependent.
- Brands with strong digital shelf fundamentals are better positioned to surface inside AI-driven shopping journeys. Clean feeds, consistent content, and real-time commerce signals like availability improve both organic discoverability and paid ad relevance in conversational environments.
- Pacvue bridges the attribution gap brands and agencies are looking to solve for emerging channels. Pacvue connects ChatGPT ad exposure to downstream outcomes via Amazon Attribution and its proprietary measurement suite, so brands can justify spend and optimize with confidence.
- Scale on a new channel requires the infrastructure you’ve already built. Managing hundreds to thousands of ad variants manually isn’t viable. Pacvue’s automation layer makes ChatGPT Ads operationally executable alongside your existing retail media portfolio — not in addition to it.
The brands that will win conversational commerce aren’t the ones who wait for the channel to mature. They’re the ones building digital shelf strength and activating paid media together, now.
(Note: ChatGPT Instant Checkout is currently available in the US to Free and Plus users. Availability may expand.)
Winning Prime Day Starts Before Prime Day
Amazon Prime Day strategies no longer begin on Amazon. Discovery now happens across social, community and AI platforms weeks before the event. Brands that connect off-platform discovery with retail media execution will build stronger demand, win more new-to-brand customers, and outperform those that don’t.
Pacvue’s Commerce OS acts as a unified operating layer across TikTok, Reddit, ChatGPT and retail media, helping brands plan, manage, and measure campaigns more consistently across Prime Day activity.
Find out more about how to launch and scale high-performing ad campaigns with Pacvue’s discovery commerce solution, or dig deeper into Amazon media strategies with our solutions to Amazon DSP and Amazon Marketing Cloud.
