Merchant Identification Number (MID) Defined A merchant ID, also known as “MID” or simply “merchant number,” is a unique number that identifies a business for credit card processing. The easiest way to think of a merchant ID is like an account number.Oct 4, 2021
How do I trace a merchant ID?
You should be able to look up your Merchant ID Number on any transaction receipts or statements. It may also be printed on business cards or correspondence, depending on the merchant services company you use.
What can you do with a merchant ID number?
A merchant ID (or MID) is a specific identification number attached to a business that tells the payment processing systems involved in a transaction where to send which funds. You can think of it as an address for your business.