Required Attributes:
| Attribute name | What is expected |
|---|---|
| EAN / GTIN / ISBN / ISSN / barcode |
Not mandatory but highly recommended. Some categories will reject listings without it. help.allegro.com |
| category ID / Allegro taxonomy | Must be mapped accurately. |
| name | Less than 30 characters each, in Polish. The title cannot be changed after the first purchase. If you need to change it, you'll have to delete your offer (and lose all historical data) and create a new one. |
| description |
In Polish, the description section can not have more than 40,000 bytes in length. ' ' character is not allowed. h1 - title *Read further info on "description" below this table. |
| language | The language of the content you are sending to Allegro. Choose the value for auto-translation on Allegro. The "content_language" attribute has to be filled in to auto-translate. |
| afterSalesServices.impliedWarranty.id (after sales services implied warranty id) | This actually refers to Complaints terms (not Warranty). You can find this in your Allegro back-office by navigating to: Sales Settings > After-sales service settings > Complaints Terms |
| safetyInformation.type (safety information type) | Select one of the options: - 'NO_SAFETY_INFORMATION': Use this option if the product does not have any safety information. - 'TEXT': This option will allow you to provide safety information as plain text. |
| afterSalesServices.returnPolicy.id (after sales services return policy id) | Return policy must exist in Allegro. |
| image | Highly recommended (URL links). Images must show: Product on different backgrounds, packaging, brand, details, certificates… Do not add store logos or text. |
| price | Must match the marketplace currency. |
| sellingMode.price.currency (selling mode price currency) | Allowed values: PLN or EUR. |
| stock.available (stock available) | Real-time stock preferred. |
| stock.unit (stock unit) | One of: UNIT, PAIR, SET. |
| delivery.handlingTime (delivery handling time) | ISO 8601 duration format. Examples: PT0S (immediately), PT24H (24 hours), P2D (2 days)... Duration can be also provided in hours, e.g. PT72H (3 days). Valid values are: PT0S, P2D, P3D, P4D, P5D, P7D, P10D, P14D, P21D, P30D, P60D, PT24H, PT48H, PT72H, PT96H, PT120H, PT168H, PT240H, PT336H, PT504H, PT720H, PT1440H Impacts visibility & buyer experience. |
| payments.invoice (payments invoice) | Shipping rate name as set in Allegro back-office. Recommended for B2B. help.allegro.com |
| publication.duration (publication duration) | Supported values: null (until all items are sold out), P3D (3 days); P5D (5 days); P7D (7 days); P10D (10 days); P20D (20 days); You can also provide the time in hours, e.g.: P72H (3 days). You cannot provide null in offers of AUCTION (auction) type and the allowed values are: P1D (1 day); P3D (3 days); P5D (5 days); P7D (7 days); P10D (10 days); However, the offers of ADVERTISEMENT (classified ad) type support the following values: null (for an indefinite time – fees are charged every 10 days); P10D (10 days); P20D (20 days); P30D (30 days). |
Description
(The following information completes those provided in the table above).
When sending a description to Allegro, the content must follow strict HTML and content rules:
HTML formatting rules
- All content must be wrapped in HTML tags, and only lowercase HTML tags are allowed.
- h1 and h2 tags cannot be further formatted (no bold, no additional styling).
- You may use bold (<b></b>), but only inside the following tags: <p></p><ul></ul><ol></ol>
- You may use paragraph tags (<p></p>) inside: <ul></ul><ol></ol>
- Photos cannot be added in the description using HTML code.
Content restrictions
Do not include the following in the description:
- Any information related to return policy, warranty, contact details, or shipping prices.
Use the dedicated Allegro attributes for these details. - Links to external websites.
- Any message suggesting that buyers should contact you before purchasing.
Make sure your description complies with all of these rules to avoid rejection by Allegro.
VAT legislation
In Lengow complete the "VAT Settings" field in the Attributes mapping.
This field is available at the Category Attributes level.
How to provide Allegro IDs (Shipping, Warranty, etc.)
Several Allegro attributes require a specific ID instead of a standard text value. While these IDs are generated by Allegro when you configure your back-office, you cannot find this ID in your allegro account.
Affected Fields:
- delivery.shippingRates.id (delivery shipping rates id)
- additionalServices.id (additional services id)
- afterSalesServices.impliedWarranty.id (after sales services implied warranty id) (Complaints terms)
- afterSalesServices.returnPolicy.id (after sales services return policy id)
- afterSalesServices.warranty.id (after sales services warranty id)
- contact.id (contact id)
- sizeTable.id (size table id)
How to fill these fields in Lengow:
Since these IDs are not easily visible in your Allegro account, you do not need to find or enter the numeric ID.
- Fill in the the name of the value exactly as you created it in your Allegro back-office. The text must be an exact match to what is in Allegro, including the same spelling and capitalisation.
- Lengow then uses the Allegro API to retrieve the unique ID associated with that name. Lengow sends the required ID to Allegro on your behalf.
How to know if the mapping has been done correctly?
If the value you've filled in in Lengow doesn't map to one of the values from your back-office, the product will be in error. Please read the Channels report and get back to the attribute mapping to change the value if necessary.
General Product Safety Regulation (GPSR) (for merchants selling in the EU)
To comply with the General Product Safety Regulation (GPSR) applicable from December 13, 2024 in the European Union, you must provide to Allegro the following information about your products through attributes available in Lengow:
- "responsibleProducer.name" (responsible producer name): the name (or trade name) of the manufacturer,
- "responsibleProducer.countryCode" (responsible producer country code): The country code of the manufacturer.
- "responsibleProducer.street" (responsible producer street): The street address of the manufacturer.
- "responsibleProducer.postalCode" (responsible producer postal code): The postal code of the manufacturer.
- "responsibleProducer.city" (responsible producer city): The city of the manufacturer.
- "responsibleProducer.email" (responsible producer email): The contact email of the manufacturer. (mandatory if no "responsibleProducer.formUrl" (responsible producer form url) is provided)
- "responsibleProducer.phoneNumber" (responsible producer phone number): The phone number of the manufacturer.
- "responsibleProducer.formUrl" (responsible producer form url): The contact URL form of the manufacturer. (mandatory if no email is provided)
You must provide safety information such as: user-manual (in Polish), images of labels on product packaging, and/or warning notes.
If you select "no_safety_information" for a product, the field will automatically be converted to type "TEXT". You must therefore provide an explicit description in the corresponding field.
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