Bulk catalog re-rating
Upload a CSV of your catalog. Your row IDs are preserved; every SKU comes back with new duty, delta vs. your old duty, delta margin, flags, and provenance — entirely in your browser, nothing uploaded anywhere.
1. Your CSV format
Required headers (case-insensitive): hts, country (2-letter code), value (USD customs value).
Optional: id (your row/SKU ID — preserved in output), base_rate (MFN %),
prior_duty (old duty USD — enables delta dollars), price (selling price USD — enables delta margin).
id,hts,country,value,base_rate,prior_duty,price
SKU-001,8517120020,CN,10000,0,2500,49.99
SKU-002,9403608081,VN,4500,0,,89.00
SKU-001,8517120020,CN,10000,0,2500,49.99
SKU-002,9403608081,VN,4500,0,,89.00
2. Upload
Use the same unit basis for value, prior duty and selling price (all per unit or all per shipment). Margin changes require a prior-duty value.