How do I get a refund from Coinbase one?  

To connect with Coinbase, follow these steps when calling the number ‘+1-(833)-224 9242 (Talk to live person)’: Initially, press ‘0’ to bypass the automated system. Then, press ‘1’ to speak directly with a representative. Our representative will then guide you through finding a solution to your concern. If you encounter a dispute regarding your Coinbase Credit Account, please contact customer service at either +1-(833)-224 9242 (Talk to live person) or +1-(833)-224 9242