Trading EDI data is confusing. You need to transact with a trading partner. The first piece of information you need is a unique identifier, also referred to as the ISA ID.
Typically, you’ll send an EDI transaction like a purchase order or invoice, with information related to product type, quantity, unit of measure, or price, among other fields. But before you reach that line level detail, you will need the ISA IDs for both you and your trading partner. The ISA ID identifies who is trading data.
Unfortunately, typing “Walmart” or “Amazon” into the transaction isn’t sufficient. In EDI transactions, this type of identifying information is shared exclusively via the ISA ID.