Trying to make the payment and get the message "Invalid account number. Error code: 59". What to do? Andrew Breiw May 21, 2022 16:29 Check that You have specified the correct account number/address and didn't copy it with spaces at the ends. Related articles You can exchange one currency for another between the balances of the merchant or make a payment in another currency? What are the minimum/maximum payment amounts is supported by Your service? Can I get a list of all incoming transactions for cryptocurrency through the API? Can I cancel or return the payment? What if I can't find the answer to your question? Comments 0 comments Article is closed for comments.