Here are al the information about how to upload your product data on the Bol marketplace
How do I integrate Bol marketplace?
Introduction to Bol marketplace
How can I sign up for Bol account?
Bol Offer feed integration manual
Bol Update feed integration manual
Bol Remove Feed integration manual
Bol Content Feed Integration Manual
Product adjustment guidelines for Bol
Shipping via Bol.com (Verzenden via bol.com)
How do I activate Bol automatic order synchronization?