Osaka - Post Report Question and Answers
Are credit cards widely accepted and safe to use locally? Are ATMs common and do you recommend using them? Are they safe to use?
Yes, yes. - May 2021
Cash economy, for the most part, but cards are also widely accepted. - Jul 2018
More and more places take U.S. credit cards but still many fewer places than you'd think. Western ATMs work at 7-11. - Oct 2013
This is still largely a cash society. Exchange Services are available at the Consulate. - Aug 2006