ANavigator Weekly Amazon Digest | Week 13
Each week, we break down the most important Amazon and e-commerce updates and explain what they mean for brands and sellers — across advertising, AI, logistics, platform strategy, and market shifts.
This week’s updates show how product discovery is changing fast, while Amazon continues to expand its logistics and advertising ecosystem beyond the standard marketplace experience. ChatGPT is becoming more relevant in the product research stage, Amazon is testing Prime shipping deeper into DTC, and new Prime Day rules make deal planning more demanding. At the same time, Amazon Ads is moving AMC closer to daily use, and new market share data again shows how large Amazon still is in U.S. ecommerce.
Here’s what changed.
📌 Contents
ChatGPT moves deeper into product discovery
Amazon pilots Prime shipping on DTC sites without an Amazon login
Prime Day 2026 deal submissions open with tighter pricing and fee rules
Amazon tests a seller credit score in search results
Amazon Ads brings AMC closer to daily execution
Amazon and Shopify now account for about half of U.S. ecommerce
Main Content
1️⃣ ChatGPT moves deeper into product discovery
OpenAI introduced a richer shopping experience in ChatGPT. Users can now browse products visually, compare options side by side, upload images to find similar items, and review product details in a more interactive format.
The Agentic Commerce Protocol is now being used for product discovery, not only checkout. This makes ChatGPT more relevant in the research stage, where product visibility depends more on structured product data and better catalog quality.
Read more here by Roger Dunn
2️⃣ Amazon pilots Prime shipping on DTC sites without an Amazon login
Amazon is testing a new pilot that lets shoppers get Prime shipping on some DTC sites without signing into Amazon during checkout. The program is still limited, but it shows Amazon is extending Prime delivery benefits further outside its own marketplace.
For merchants, this keeps the checkout experience on their own site while using Amazon’s delivery network in the background. It is another sign that Amazon wants its logistics services to play a bigger role beyond Amazon.com.
Read more here by Noah Wickham
3️⃣ Prime Day 2026deal submissions open with tighter pricing and fee rules
Prime Day 2026 deal submissions are open, but the bigger update is the new deal math. The pricing rules now look stricter: the deal price must be at or below the lowest sales price from the past 60 days and at least 5% below the lowest price from the past 30 days. The fee structure is also heavier, with a $100 upfront fee per promotion plus 1.5% of promotional sales, capped at $5,000.
There is also a $50 discount on the upfront fee for Best Deals and Lightning Deals scheduled by April 30, which makes early planning more important.
Read more here by Incrementum Digital
4️⃣ Amazon tests a sellercredit score in search results
Amazon is reportedly testing a seller credit score directly in search results. If expanded, this could add another trust signal next to price, reviews, and delivery speed. There is no sign yet of a broad rollout, so this still looks like an early experiment.
Even so, it shows Amazon is continuing to test new ways to influence clicks and trust directly on the search page.
Read more here by Ivan Marynych
5️⃣ Amazon Ads brings AMC closer to daily execution
At unBoxed Paris 2026, Amazon Ads shared that its MCP Server tools are expanding to include AMC capabilities. This means AI agents may be able to pull insights from saved AMC queries through natural language instead of relying only on more technical workflows. AMC has always been powerful, but not always easy to use in daily campaign work.
This update suggests Amazon is moving AMC closer to everyday execution, not only deeper analysis.
Read more here by Oleksandr Kovalov
6️⃣ Amazon and Shopify now account for about half of U.S. ecommerce
New market share data highlighted again how dominant Amazon remains in U.S. ecommerce. The bigger point is not whether Amazon is more competitive than before, but how much market share it still controls compared with the rest of the market. At the same time, Shopify continues to hold a strong position outside Amazon, which keeps the Amazon versus DTC discussion active.
The message is clear: Amazon remains the biggest ecommerce platform in the U.S., even as other channels keep growing around it.
Read more here by Jon Elder
This week showed that discovery, logistics, and commerce infrastructure are all moving at the same time. ChatGPT is becoming more useful in the product research stage, Amazon is extending Prime benefits beyond its own marketplace, and AMC is slowly becoming easier to use in day-to-day work. At the same time, Prime Day planning is getting more demanding, and Amazon’s position in ecommerce remains as strong as ever.
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