{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/ProductVariantImport", "title": "ProductVariantImport", "type": "object", "description": "A single product variant resource for import.", "required": [ "key", "product" ], "properties": { "key": { "type": "string", "description": "User-defined key for matching against existing variants." }, "sku": { "type": "string", "description": "SKU identifier for the variant." }, "product": { "type": "object", "description": "Reference to the parent product by key." }, "isMasterVariant": { "type": "boolean", "description": "Whether this variant is the master (first) variant." }, "attributes": { "type": "array", "items": { "type": "object" }, "description": "Attribute values for the variant." }, "images": { "type": "array", "items": { "type": "object" }, "description": "Images for the variant." }, "prices": { "type": "array", "items": { "type": "object" }, "description": "Prices for the variant." } } }