What is the AP Import Invoices Field Format table?

The API, APD, APTX record types are used for the Variable import format which can change based on the AP Settings for each company data folder. Refer to What is the AP Import Invoices Variable Format?

The APIF, APDF, APTXF record types are used for the Fixed import format which stays static. Refer to What is the AP Import Invoices Fixed Format?