Most people do not tip taxi drivers, however if you feel so inclined for good service, a tip will certainly be appreciated. Dominican Republic's currency is the Dominican Peso, DOP. It might be possible that Canadian dollars are accepted, but I suggest to use US dollars (USD), as they are widely accepted.ost people do not tip taxi drivers, however if you feel so inclined for good service, a tip will certainly be appreciated. Dominican Republic's currency is the Dominican Peso, DOP. It might be possible that Canadian dollars are accepted, but I suggest to use US dollars (USD), as they are widely accepted.