Understand required and optional fields, SKU ID vs Product ID formats, and column mapping.
Your CSV must include at minimum:
skuId (recommended) or productId + condition + language + printingSKU ID is the easiest method - it uniquely identifies condition, language, and printing:
skuId - TCGPlayer SKU ID (required)quantity - Number of copies (required)Product ID requires additional variant fields:
productId - TCGPlayer Product ID (required)condition - Condition (NM, LP, MP, HP, DMG) (required)language - Language code (EN, JP, FR, etc.) (required)printing - Printing type (Normal, Foil, etc.) (required)quantity - Number of copies (required)price - Selling price per unit (decimal number)cost - Acquisition cost per unit (decimal number)comment - Public-facing notes (shown to customers)remarks - Internal notes (bin locations, batches)cdn_link - Custom front image URLcdn_back_link - Custom back image URL