General structure

Here is a non-exhaustive list of fields that Lengow recommends to have in its Product Catalog. Some fields are mandatory though at the Lengow Matching step: "id", "title", "price" and "category".

The content and structure are adaptable to your needs.

For each type of field, we indicate its definition, the type of values expected with an example and our recommendations.



  • Unique_ID

Permanent reference number specific to each product and used to identify it in a unique way over time. A single product must always have the same identifier. The ID must not be reassigned to another product (maximum of 25 characters).

Expected value type: Alphanumeric

Example: 1235RES56

Recommendation:Mandatory to integrate ones catalogue in Lengow


  • Category

Category to which the product belongs. You can also refer to “product family” (field with a maximum of 250 characters). This field will be used to organise your products by category. (Washing machine, MP3 player, etc.).

Expected value type: Alphanumeric

Example: High tech > television > television LCD > 100 Hertz

Recommendation:Mandatory to integrate ones catalogue in Lengow


  • Sub_category1

Sub-category to which the product belongs.

Expected value type: Alphanumeric

Example: television LCD

Recommendation: This field is Strongly advised to integrate ones catalogue with the Lengow platform


  • Sub_category2...

Sub-category to which the product belongs.

Expected value type: Alphanumeric

Example: 100 Hertz

Recommendation: This field is Strongly advised to integrate ones catalogue with the Lengow platform


  • Title

Product title

Expected value type: Alphanumeric

Example: Samsung 100 Hertz LCD Television

Recommendation: Mandatory to integrate ones catalogue in Lengow


  • Description

Product Description

Expected value type: Alphanumeric

Example: television LCD 100 Hertz Samsung, 47 pouces...

Recommendation: Strongly advised to integrate ones catalogue in Lengow


  • Standard_price

Corresponds to the price of the product on your site (54.40, 60.30, etc.). Without the € symbol and the delimiter must be a full stop.

Expected value type: Numeric

Example: 799.90

Recommendation:Mandatory to integrate ones catalogue in Lengow


  • Barred_price

If the price has been reduced (promotion, clearance sale, etc.), indicate in this field the old price of the product including tax in Euros. Without the € symbol and the delimiter must be a full stop.

Expected value type: Numeric

Example: 900.99

Recommendation: This field is Strongly advised to integrate ones catalogue with the Lengow platform


  • Sale_price

Price of the product during the sale period. Without the € symbol and the delimiter must be a full stop.

Expected value type: Numeric

Example: 699.90

Recommendation: This field is Strongly advised to integrate ones catalogue with the Lengow platform


  • Product_URL

Corresponds to the URL of the product page on your site

Expected value type: Url

Example: http://mysite.com/product.html

Recommendation: This field is Mandatory for all channels but Marketplaces.


  • URL_image

Corresponds to the URL of the product image on your site. All types of format are accepted by Lengow, however some channels have restrictions and don't accept all formats. It could block the launch of your products.
As Lengow doesn't download the images, the provided URLs must be publicly accessible in order to be displayed on the channel's website. 

Expected value type: Url

Example: http://mysite.com/product_image.jpg

Recommendation: Mandatory to integrate ones catalogue in Lengow. 


  • EAN

This field is made up of 13 figures and corresponds to the bar code commonly used for consumer goods in Europe. It identifies the product in a unique manner and enables better indexation of your product in our product categories. European article number.

Expected value type: Numeric

Example: 1234567891011

Recommendation: This field is Mandatory for all Marketplaces channels.


  • Parent_ID

A common identifier for all the variations of a product (learn more about this).

Expected value type: Alphanumeric

Example: 1235RES56

Recommendation: This field is Mandatory  to manage the products Variation in the Lengow platform


  • Size / Color / Material ...

These are declination values that characterize the product    

Corresponds to the size of the product (S, XL, XXL 37, 38, 41, 42, ...), or its color (red, white, blue, ...) etc ...

Favor a field by type of declination to avoid mixing the characteristics displayed.

Expected value type: Alphanumeric / Text

Recommendation: This field is Strongly advised to integrate ones catalogue with the Lengow platform and Mandatory to display your products in Marketplaces.


  • Product_Type

Define the product type ("child" product, therefore declined, or "parent" product, or "simple" product)

Expected value type: Text

Recommendation: This field is Strongly recommended to display on marketplaces, including Amazon .


  • Brand

Corresponds to the brand of the product or the name of the product manufacturer.

Expected value type: Alphanumeric

Example: SAMSUNG

Recommendation: Mandatory to integrate ones catalogue in Lengow


  • Delivery_costs

Corresponds to the product's delivery costs. The price, including tax in Euros, for all charges related to the order must be entered in this field: shipping, processing and order preparation fees, etc. Without the € symbol and the delimiter must be a full stop in the description.

Expected value type: Numeric

Example: 5.00

Recommendation: This field is Strongly advised to integrate ones catalogue with the Lengow platform


  • Delivery_time

Maximum delivery time. Numeric value which will be interpreted by default as a number of days. If the unit is not day(s), please specify (accepted units: hour(s); day(s); week(s); month(s)). For delivery times covering a range, separate the minimum and maximum by a dash. Indicate the unit only if this is not day(s).

Expected value type: Numeric

Example: 12

Recommendation: This field is Strongly advised to integrate ones catalogue with the Lengow platform


  • Quantity_in_Stock

Corresponds to the number of products currently in stock

Expected value type: Numeric

Example: 23

Recommendation: This field is Strongly advised to integrate ones catalogue with the Lengow platform et obligatoire pour diffuser sur les places de marché.


  • Availability

Product availability Numeric value which will be interpreted by default as a number of days. 0 = in stock. If the unit is not day(s), please specify (accepted units: hour(s); day(s); week(s); month(s)). Where availability covers a range, separate the minimum and maximum values by a dash. Indicate the unit only if this is not day(s).

Expected value type: Numeric

Example: 0

Recommendation: This field is Advised to integrate ones catalogue to the Lengow platform


  • MPN

Manufacturer product number

Expected value type: Alphanumeric

Example: PRD567HT

Recommendation: This field is Strongly advised to integrate ones catalogue with the Lengow platform

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