what is ibi data
Information-Based Indicia. Information-Based Indicia (IBI) refers to a secure postage evidencing standard used by the United States Postal Service (USPS) to indicate electronic postage payment. Information-Based Indicia is a 2-dimensional PDF417 or data matrix barcode combined with human-readable information. The barcode data contains such information as amount of postage, origin zip code, destination, mail class, weight, confirmation/tracking numbers, and a