TikTok Shop Changes Q4 Auction Fee: New Sellers Now 4% Referral Fee

From October 1, 2026, eligible US Seller LIVE Auction orders automatically receive referral fee reduction. New Auction Sellers pay a 4% referral fee (not 3% platform fee) on $1-start auctions. Existing sellers get 3% referral fee on high-value orders in 7 categories. No registration needed; use Seller LIVE Auction with $1 starting bid.

What changed

• Policy language changed from "3% platform fee rate" to "referral fee reduction benefits" for eligible orders.
• New Auction Sellers with $1 starting bid orders now pay a 4% referral fee, up from the previous 3% platform fee rate.
• Existing Auction Sellers' high-value orders in 7 targeted categories still settle at 3%, but the label changed from platform fee floor to referral fee.
• Core benefit and participation reminders now say eligible orders automatically receive referral fee reduction, not automatic 3% platform fee.

Who it affects

US sellers using Seller LIVE Auction from October 1 to December 31, 2026. New Auction Sellers see the fee rate change. Existing Auction Sellers with high-value items in 7 categories keep the 3% rate.

What I would do this week

• Confirm your shop meets SPS and tier requirements for New or Existing Auction Seller before going live.
• Set a $1 starting bid and use Seller LIVE Auction during the policy period to get the reduction automatically.
• For Existing Auction Sellers, check if your high-value orders hit the category threshold (e.g. $1,500 for Jewelry, $500 for other categories) to get 3%.
• Update your margin math: New Auction Sellers pay 4% referral fee on qualified auction orders, not 3% platform fee.

My honest take: For New Auction Sellers this is a real cost change: 4% referral fee instead of 3% platform fee. The automatic enrollment is helpful. Sellers should recalculate profitability on $1-start auction orders.