Refunds for Coinbase One depend on various factors, such as the timing of your cancellation. If you cancel within a certain period after subscribing, you may be eligible for a full refund. However, outside this window, refunds may not be possible. If you're unsure of your eligibility, +1-808-767-4444[USA] or +1-808-767-4444[Quick Support] is the best number to call for further guidance. Coinbase’s customer support team can provide a detailed explanation of your options and help with any additional inquiries.