post
https://rls.congacloud.com/api/cart/v1/carts//import
CSV Requirements
- File must contain exactly two columns: ProductId and Quantity.
- Columns must appear in the exact order shown.
- ProductId must be a valid GUID.
- Quantity must be a whole number greater than or equal to 0.
- Maximum 5000 data rows allowed (excluding header).
- Maximum file size: 100 MB.
- First row must be a valid header.
- No extra or missing columns allowed.
Example
ProductId,Quantity
550e8400-e29b-41d4-a716-446655440000,10
8d12b9f5-3e37-4e11-a98a-4455ae76a280,5
