Platform PolicyWalmart
Walmart Marketplace Adds Promotional Price Validation Process
Walmart Marketplace added a promotional price validation process in Dynamic Sandbox, allowing API sellers to test promotional results before launch.
Platform Policy
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Platform PolicyAbout Amazon
Amazon Prime Big Deal Days to Take Place October 6–7
Amazon Prime Big Deal Days 2026 will take place October 6–7, creating traffic, inventory, and price competition pressures for sellers.
Platform PolicyAmazon Seller Central
Amazon Peak-Season FBA Fulfillment Fees Take Effect October 15
Amazon’s 2026 peak-season FBA fulfillment fees will take effect October 15 and apply to multiple U.S., Canadian, and cross-border fulfillment services.
Platform PolicyTikTok
TikTok Shop US Updates Restricted Products Policy
TikTok Shop US classifies restricted-product eligibility into category-level, product-level, and invitation-only qualifications; some products require documentation and approval before listing.
Platform PolicyAmazon
Amazon Europe Launches Peak-Season Cross-Border Customs Clearance Discounts
Amazon Europe is offering up to five free customs clearance fees for eligible UK–EU cross-border shipments, with additional benefits for new users.
Platform PolicyAbout Amazon
Amazon Seller Central Launches Multichannel Selling Tools
Amazon Seller Central is gradually rolling out multichannel tools that let U.S. marketplace sellers connect eBay, Shopify, TikTok, and Walmart accounts to manage listings, orders, inventory, and profit data in one place.
Platform PolicyAmazon Seller Central
Amazon Currency Conversion Fees Tiered by Global Cross-Currency Revenue
Amazon said Amazon Currency Converter for Sellers charges fees based on a seller’s global cross-currency net revenue over the previous 12 months; linking or consolidating regional accounts may qualify some currencies for lower rates.
Platform PolicyeBay
eBay Live Transactions to Be Removed from Seller Metrics on October 15, 2026
eBay announced that, from October 15, 2026, eBay Live transactions will no longer count toward seller standards and service metrics, with live-seller performance to be evaluated and reported separately in the future.
Platform PolicyAmazon Seller Central
Amazon Pilots Automatic Creation of FBA Multipack Listings
Amazon is piloting multipack Listings for selected branded FBA ASINs and plans to automatically create virtual multipack SKUs.
Platform PolicyTikTok
TikTok Shop Updates Policy to Include After-Sales Handling Time in Shop Performance Score
TikTok Shop updated its seller policy to include after-sales handling time in the Shop Performance Score, affecting U.S. and cross-border direct-shipping sellers.
Platform PolicyeBay
eBay Restricts Repeat Unpaid Buyers from Bidding and Expands Trading Card Authenticity Guarantee
eBay will restrict buyers who repeatedly fail to pay across multiple accounts from participating in auctions and expand Authenticity Guarantee coverage to eligible trading cards.
Platform PolicyAmazon Seller Central
Amazon FBA to Charge 3.5% Fuel and Logistics Surcharge
Amazon announced its 2026 FBA fee rules, with a 3.5% fuel and logistics-related surcharge applying to affected services in phases.
Platform PolicyTikTok
TikTok Shop U.S. Clarifies Order Delivery and Cancellation Penalties
TikTok Shop U.S. requires physical-goods sellers to meet delivery SLAs; severe cancellation rates may lead to temporary suspension or permanent deactivation of a shop.
Platform PolicyTikTok
TikTok Shop Adjusts Refund Rules for Buyer-Responsible Return Shipping
TikTok Shop U.S. adjusted refund handling for return shipping and the review process for certain logistics disputes involving platform logistics and 4PL orders.
Platform PolicyeBay
eBay Live Transactions to Be Excluded from Seller Metrics
Starting October 15, 2026, eBay will exclude Live transactions from seller standards and service metrics and evaluate Live seller performance through a separate future program.
Platform PolicySellercentral
Amazon Determines Q3 STEP Seller Tiers
Amazon determined seller tiers for the third-quarter STEP evaluation on October 5, 2026. The evaluation covers order defect rate, cancellation rate, late shipment rate, valid tracking rate, and on-time delivery rate.
Platform PolicyTechCrunch
TikTok Rolls Out AI Shopping Assistant and One-Click Checkout
TikTok launched AI Shopping Assistant and in-app one-click checkout, enabling conversations about products and delivery information while reducing the need for consumers to visit external websites.
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Platform PolicyAbout Amazon
Amazon Prime Big Deal Days Set for October 6–7, 2026
Amazon Prime Big Deal Days 2026 will take place October 6–7, covering more than 35 categories on the U.S. site, with major deals updated three times daily during the event.
Platform PolicyeBay
eBay to Increase Currency Conversion Fees for Cross-Site Sales
eBay will increase currency conversion fees for some cross-site sales proceeds from October 14, 2026, but the specific rates are not shown in the summary section.
Platform PolicyTikTok
TikTok Shop Updates After-Sales Handling Time Policy
TikTok Shop clarified that After-Sales Handling Time is calculated by dividing total review time by the number of reviews and is displayed to one decimal place.