The following product catalogue fields can be used in tab-delimited (TXT) or comma-separated (CSV) files encoded in UTF-8 format.
Note that all field names are case-insensitive and the order in which they appear in the file is not important.
Click on the links in the table for a more detailed description of each field:
| Field name for a TXT or CSV file | Required or optional | Brief description |
| product search code | Required | An identifier for the product |
| title | Required | The name of the product |
| description | Required | The description of the item purchased |
| image link | Required | The URL to the product's main image |
| product link | Required | The URL to the product page for the product |
| merchant identifier | Required | Your unique Feefo identifier |
| *gtin | Optional (recommended) | The Global Trade Item Number (GTIN) |
| *mpn | Optional (recommended if gtin is not supplied) | The Manufacturer Part Number (MPN) |
| *brand | Optional (required if mpn is supplied) | The brand name of the product |
| *product category | Optional (recommended) | The Google category of the product |
| parent product ref | Optional | An identifier for the product's parent search code |
| product attributes | Optional | A list of additional attributes that the customer can rate for the product |
| tags | Optional | A list of service levels for analysing the data |