Last update 25/08/2022

Volume discount campaigns

Sellers are regularly invited to participate in different website campaigns. The main characteristic of this type of campaign is that a discount is applied when a given number of product items is reached. For example, “Get 4 Pay 3,” “2x1,” or “second item at half price”.
Besides Mercado Libre assumes a percentage of the offered discount. If you received an invitation and want to join, use the resources below.

Seller view

Check details about a volume discount campaign

For volume discount campaign details, perform the query below:


curl -X GET -H 'Authorization: Bearer $ACCESS_TOKEN'


   "id": "P-MLB379009",
   "type": "VOLUME",
   "status": "started",
   "start_date": "2021-03-25T16:40:00Z",
   "finish_date": "2021-04-30T18:00:00Z",
   "deadline_date": "2021-04-30T18:00:00Z",
   "name": "test volume MLB",
   "benefits": {
       "type": "VOLUME",
       "meli_percent": 8,
       "seller_percent": 17,
       "name": "4x3",
       "buy_quantity": 4,
       "pay_quantity": 3,
       "item_discount_percent": 25

Specific campaign fields

Benefits: Promotion benefit details

  • type: benefit type.
  • meli_percent: percentage contributed by Mercado Libre.
  • seller_percent: percentage contributed by seller
  • name: rebate name.
  • buy_quantity: required quantity of items to get discount.
  • pay_quantity: quantity of items paid.
  • item_discount_percent: percentage of discount on each item.

  • Types of discount

    Find below the different types of discount for this campaign type:

    • Get 2 Pay 1
    • 70% OFF buying 2
    • 70% OFF in the 2nd unit

    • Status

      Find below the different statutes a volume discount campaign can go through.

      Status Description
      pending promotion approved but not yet started.
      started active promotion.
      finished finished promotion.

      Check items in a volume discount campaign

      Perform the query below to see candidate items and/or the items included in a volume discount campaign:

      curl -X GET -H 'Authorization: Bearer $ACCESS_TOKEN'


          "results": [
                 "id": "MLB1834747833",
                 "status": "candidate",
                 "price": 0,
                 "original_price": 0
                 "id": "MLB1834747833",
                 "status": "active",
                 "price": 3750,
                 "original_price": 5000,
                 "offer_id": "MLB1834747833-47a4b043-adb6-4e29-93b7-b36880013fef"
          "paging": {
              "total": 2

      When a new campaign is created, all applicable items are selected. The initial item (status) is "candidate" with no assigned offer id. When the seller adds an item to the campaign, item status changes and a unique "offer_id" is assigned.

      Item Status

      The table below shows the possible item statuses in this type of campaign.

      Status Description
      candidate candidate item to participate in the promotion.
      pending approved and programmed promotion item.
      started campaign active item.
      finished Item deleted from campaign

      Specify items in a volume discount campaign

      Once you are invited to participate in this type of campaign, you can specify the products to be included.


      curl -X POST -H 'Authorization: Bearer $ACCESS_TOKEN' \
      -d '{


      curl -X POST -H 'Authorization: Bearer $ACCESS_TOKEN' \
      -d '{


        "offer_id": "MLB1834747833-9eafadd4-16d2-49ae-b272-9a7a34585cb8",
        "price": 1800,
        "original_price": 2000


      deal_id: promotion identification.
      promotion_type: type of promotion (VOLUME).

      Change Items

      Since prices cannot be changed directly, follow the steps below to change the price of an item included in a volume discount campaign.

      • Delete the item from the campaign
      • Change item price just like regular price synchronization
      • Add the item back to the campaign

      • Nota:
        - Since items included in volume discount campaigns (marketplace campaign) have no fixed price, when the price of an included item rises, it will be automatically removed from the offer and you will not be able to add it back.
        - We recommend checking if the item is participating in a volume discount campaign before making (manual or automatic) price changes.

        Delete items

        Perform the task below to delete Items for a Volume discount campaigns


        curl -X DELETE -H 'Authorization: Bearer $ACCESS_TOKEN'$ITEM_ID?promotion_type=$PROMOTION_TYPE&deal_id=$DEAL_ID&offer_id=$OFFER_ID


        curl -X DELETE -H 'Authorization: Bearer $ACCESS_TOKEN'

        Response: Status 200 OK

        Next post: Pre-negotiated Discount per Item

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