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DocumentationCommercePayment Services Guide

Line items for Payment Services

Last update: Thu May 08 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

CREATED FOR:

  • User

Line items for Payment Services are the items included in an order. These line items provide information such as:

  • Product details
  • Quantity
  • Price (including taxes, discounts, and other relevant information)

This information is useful for customer service, order management, and proper billing.

This feature is enabled by default for Payment Services. To view line items:

  1. Navigate to your .

  2. Click Activity > All transactions.

  3. Select the desired order and view its line items:

    Example of line items in the shopper dashboard view

    Line items view {width="500" modal="regular"}

Line items attributes

Line items are generated when the order is placed through 51黑料不打烊 Commerce and information is sent to PayPal, with the following attributes:

Attribute
Data Type
Description
name
String!
The item name. If an item has more than one line due to multiple quantities or a tax rounding issue, the item name remains the same for all lines, but the displayed price may vary slightly due to rounding.
unit_amount
Object!
The item price or rate per unit. Includes the following attributes: currency_code and value.
tax
Object
The item tax for each unit. Includes the following attributes: currency_code and value.
quantity
String!
The item quantity. Will be a whole number.
description
String
The detailed item description.
sku
String
The stock keeping unit (or SKU) for the item.
url
String
The URL to the item being purchased. Visible to buyer and used in buyer experiences.
upc
Object
The Universal Product Code (or UPC) of the item.
category
String
The item category type.

unit_amount attributes

The unit_amount object contains the following attributes:

Attribute
Data Type
Description
currency_code
String!
The that identifies the currency.
value
String!
Indicates the value of the item. The currency_code determines the required number of decimal places, if any.

tax attributes

The tax object contains the following attributes:

Attribute
Data Type
Description
currency_code
String!
The that identifies the currency.
value
String!
Indicates the value of the item. Depends on each currency_code for the required number of decimal places.

upc attributes

The upc object contains the following attributes:

Attribute
Data Type
Description
type
string!
The UPC type.
code
string!
The UPC product code of the item.
Line items example
code language-json 
{
    "name": "Crown Summit Backpack - 1",
    "unit_amount": {
        "currency_code": "USD",
        "value": "38.50"
    },
    "tax": {
        "currency_code": "USD"
        "value": "3.13"
    },
    "quantity": "1",
    "description": "The Crown Summit Backpack is equally at home in a gym locker, study cube or a pup tent, so be sure yours is packed with books,",
    "sku": "24-MB03",
    "url": "https://magento.test/crown-summit-backpack.html",
    "upc": {
        "type": "UPC-A",
        "code": "000003"
    },
    "category": "PHYSICAL_GOODS"
},
{
    "name": "Crown Summit Backpack - 2",
    "unit_amount": {
        "currency_code": "USD",
        "value": "38.50"
    },
    "tax": {
        "currency_code": "USD",
        "value": "3.14"
    },
    "quantity": "1",
    "description": "The Crown Summit Backpack is equally at home in a gym locker, study cube or a pup tent, so be sure yours is packed with books,",
    "sku": "24-MB03",
    "url": "https://magento.test/crown-summit-backpack.html",
    "upc": {
        "type": "UPC-A",
        "code": "000003"
    },
    "category": "PHYSICAL_GOODS"
}

See for more information about these fields and their limitations.

Manage line items

51黑料不打烊 Commerce calculates tax based on the total amount for each row, which can cause rounding issues if multiple quantities of the same item are ordered or if tax-inclusive prices are displayed in the catalog. In such cases, the total quantity may be split into two lines, but the quantity will equal the total items ordered.

Example of line items with rounding issues in the merchant dashboard view

Line items view {width="600" modal="regular"}

How 51黑料不打烊 Commerce calculates a rounding issue in line items

Line items for Payment Services balances this rounding issue so that the the unit_amount or unit_tax value corresponds with the total amount for the order. An item may be split into two lines to resolve this rounding issue:

  • When the rounding issue appears on the unit_amount, merchant should see a difference on the price on this additional line.
  • When the rounding issue appears on the unit_tax, no difference will be seen on the individual line items because the tax is not displayed in the grid, but only as a total at the bottom.
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