Banking
ACH
Also known as Automated Clearing House
ACH, the Automated Clearing House, is the US network for batch electronic bank transfers, used for payroll, vendor payments and direct debits. ACH transfers are inexpensive but settle in one to several business days and are limited to US bank accounts.
In plain terms: The cheap, slow way US bank accounts move money between each other.
Why it matters
The default rail for paying US contractors and receiving payouts. Its constraint for international founders is that it is domestic — moving money out of the US requires a wire or a multi-currency provider.
Read the full guideGetting paid