Amazon DSP Guide: Add Programmatic Display to Your PPC Program

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Who does DSP reach that Sponsored ads miss?

Sponsored ads wait for a search. DSP goes out and finds the shopper. That difference opens up several audiences your PPC campaigns either can't reach or only reach in a narrow way:

• Pre-search shoppers: People browsing your category on Amazon who haven't yet searched any of your keywords. In-market segments find them while they are still deciding.
• Off-Amazon audiences: The same Amazon shopping signals applied on third-party apps and sites, Fire TV, Twitch and Prime Video, where nobody is typing a query.
• Lapsed and replenishment buyers: Customers who bought a consumable one usage cycle ago and are about to reorder, possibly from a competitor.
• Competitor shoppers: Shoppers who viewed competing ASINs and didn't buy. You can reach them after they've left the page.
• Your DTC site visitors: With the Amazon Ad Tag on your Shopify store, you can retarget site traffic and send it to your detail page or back to your site.

Doesn't Sponsored Display already cover some of this? Partly. Sponsored Display gives you views remarketing and preset audiences on a cost-per-click basis inside the console. DSP buys on impressions and adds custom audience building, layered exclusions, frequency control, premium video inventory and audiences built in Amazon Marketing Cloud. The usual sign that you're ready: your Sponsored Display remarketing is profitable, but it keeps running out of audience or gives you too little control to scale.

Retargeting, in-market and lookalike audiences

DSP has dozens of audience segments. Three types do most of the work for DTC brands, and a fourth (custom audiences) becomes available once you're comfortable with the data.

Retargeting

This means detail page viewers, add-to-cart abandoners and past purchasers of your own ASINs. It's the shortest path to a sale and the easiest place to start. Exclude recent purchasers unless the product is consumable. Then split viewers and cart abandoners into separate line items, because their purchase intent and the bids they justify are very different.

In-market and lifestyle

Amazon builds these segments from recent shopping and browsing activity in a category ("in-market for protein powder") or from longer-term behaviour patterns. In-market is the main prospecting audience. It works best for products with a clear category and a buying cycle of at least a few days. Impulse buys under a few dollars rarely justify the CPMs.

Lookalike (similar audiences)

In September 2024 Amazon launched similar audiences in beta. It's a single opt-in checkbox at line-item level that extends reach to shoppers with similar shopping, streaming or browsing behaviour to your chosen audience. It only works on line items that include custom audiences built from Amazon shopping interactions, and it doesn't depend on third-party cookies. Seed it with your best purchasers, not with all viewers, or the model will learn from weak signals.

Custom audiences via AMC

In Amazon Marketing Cloud you can build segments that no preset offers. Two examples: shoppers who clicked a Sponsored Brands ad but didn't convert, and buyers of your entry SKU who never bought the bundle. This is where DSP stops being generic display and starts working as the rest of your funnel.

Access options and minimum spend

There are three ways in, and they differ most in who does the strategy work:

• Managed service: Amazon's own team runs your campaigns. It requires a spend commitment set by Amazon, which generally makes it a fit for large brands with big upper-funnel budgets.
• Self-service seat: Your team runs the console directly. You get full control, but you need someone who understands programmatic bidding, frequency and AMC queries.
• Agency seat: A partner runs DSP alongside your Sponsored ads. One team sees the whole funnel and is accountable for the combined result.

Amazon's FAQ confirms that both self-service and managed-service pricing continue under DVA+, while Sponsored ads stay cost-per-click with no minimum spend. For self-service, the real floor comes from simple maths: estimate the impressions you need to reach your target audience often enough, then multiply by the CPM you expect to pay. If that number is more than you can afford for a month, the test won't produce a readable result. Also, fund DSP on top of your PPC budget. Pulling budget from branded defense campaigns to pay for prospecting is the quickest way to make DSP look like a failure.

Some brands should wait. If your detail page converts poorly, DSP just sends paying traffic to a leaky page, so fix the listing conversion rate first. The same applies if stock is unreliable or reviews are thin.

How do you measure DSP without fooling yourself?

DSP reports include view-through conversions. Those inflate retargeting ROAS and make prospecting look either brilliant or pointless, depending on how you read them. Set different success criteria for each audience type before you launch.

Judge retargeting on ROAS and purchase rate. Judge prospecting on detail page view rate, new-to-brand share of orders and branded search volume. Then watch TACoS for the whole account. A prospecting campaign that runs at a high ACOS while total ad spend as a share of revenue falls is doing its job. Our guide to a good ACOS target explains why blended efficiency matters more than any single campaign.

For harder evidence, use AMC. Compare the Sponsored Products conversion rate for shoppers exposed to both DSP and search ads with the rate for those who only saw search ads. Look at path-to-conversion reports to see how often DSP appears before a branded search. When budgets allow, run a holdout: keep a matched audience unexposed for several weeks and compare their purchase rates. Amazon Brand Lift studies cover the upper-funnel questions (awareness, consideration) that conversion data can't answer.

One rule we hold to: if DSP doesn't move branded search or new-to-brand share within a quarter, cut it back to retargeting and fix the creative or the audience before spending more.

A 90-day plan for adding DSP to existing PPC

1. Step 1, stabilise PPC first: Make sure branded defense is fully funded, search term harvesting runs every week and ACOS targets are holding. If they aren't, work through PPC optimisation before adding a new channel.
2. Step 2, map your audiences: List your retargeting pools by ASIN, your competitor ASINs, your in-market categories, your replenishment windows and every exclusion. Size each pool so you know which ones can support a line item on their own.
3. Step 3, launch retargeting (weeks 1-4): Start with viewers and cart abandoners on your top two converting ASINs. Use a frequency cap and exclude recent purchasers. This gives you a ROAS baseline and confirms that tracking works.
4. Step 4, add replenishment and cross-sell (weeks 3-6): Target past purchasers at reorder time and buyers of your hero SKU with complementary products. These audiences are usually the most profitable after cart abandoners.
5. Step 5, layer prospecting (weeks 5-10): Add in-market segments and competitor viewers, then switch on similar audiences seeded from your purchasers. Test at least two creatives: a product-led image and a short video.
6. Step 6, measure the halo (weeks 9-12): Run AMC overlap and path-to-conversion queries, then review branded search trends, new-to-brand share and TACoS. Scale whatever lifts the blended number and cut whatever doesn't.

Brands that would rather not staff a programmatic specialist usually put DSP and Sponsored ads with one team. Our Amazon DSP management service runs both under a single set of targets, so the two channels don't compete for credit.

To start this week, launch one retargeting line item aimed at detail page viewers of your best-converting ASIN, exclude buyers from the last 30 days and review new-to-brand share and branded search after a month.

DSP pays off when it pushes more shoppers into a PPC program that already converts them profitably. Hyperzon audits your Sponsored ads, listings and audience data, then builds a DSP plan aimed at lowering TACoS as reach grows. Get a free Amazon audit.

Article was originally published on 09 November, 2026