In Tokyo, the greenback exchanged at 124.25 yen, slipping from 124.38 yen in New York late Tuesday.
The euro edged up to $1.1045 and 137.22 yen from $1.1029 and 137.19 yen in US exchange.
Financial specialists were peering toward the arrival of the Fed minutes, due later Wednesday, to check whether they go down developing desires of a rate climb as ahead of schedule as one month from now.
The dollar will probably get a help if the minutes recommend a rate rise is around the bend.
"The minutes are prone to recommend what brokers have known from the genuine meeting itself," Vyanne Lai, a financial specialist at National Australia Bank, told Bloomberg News.
"There aren't an excess of hindrances in the close term to keep the lift-off of US rates." The Thai baht was marginally more grounded at 35.56 against the dollar, a day in the wake of drooping to a new six-year low of 35.64 in the wake of a fatal Bangkok besieging that killed 20 individuals and injured more than 120.
The besieging at a holy place well known with remote guests undermined to harm Thailand's vital tourism industry.
The besieging came hours after authority information on Monday demonstrated Thailand's economy moderated in the second quarter, hit by feeble household request and fares, with development anticipated that would be hampered for this present year by China's depreciation of the yuan.
The move has started reasons for alarm of a coin war in which nations contend to help sends out by debasing their units.
Taking after the yuan cut, Vietnam on Wednesday said it had depreciated its dong coin by 1.0 percent, setting its reference rate at 21,890 dong for each dollar. It additionally extended the exchanging band to 3.0 percent on either side of that rate.