Home Forums US Life Merchant vs ach This topic has replies, 0 voices, and was last updated 5 years ago by 하잇. Now Editing “Merchant vs ach” Name * Password * Email Topic Title (Maximum Length 80) 은행 용어에 관해 궁금한게 있어서 글 남깁니다. Merchant service이랑 ach가 정확히 뭔가요? Bankcard service는 merchant인가요? I agree to the terms of service Update List