ACH stands for Automated Clearing House, this is the domestic bank transfer method used in the United States.
If you are working with someone in the United States these are the most common payment type used. With your Vault account you can send and receive funds like a local.
To receive an ACH, simply share your USD account details:
Click the Accounts tab
Click your US Dollar account
Click Download Account Details or click to copy your account details
To send an ACH, create a new recipient:
Click on the Transfers tab
Click Add Recipient
Enter in the payment details for the recipient
Send them a transfer selecting ACH as the payment method