Optionaladjustable_OptionalidID of an existing line item.
OptionalmetadataSet of key-value pairs that you can attach to an object. This can be useful for storing additional information about the object in a structured format. Individual keys can be unset by posting an empty value to them. All keys can be unset by posting an empty value to metadata.
OptionalpriceThe ID of the Price. One of price or price_data is required when creating a new line item.
Optionalprice_Data used to generate a new Price object inline. One of price or price_data is required when creating a new line item.
OptionalquantityThe quantity of the line item being purchased. Quantity should not be defined when recurring.usage_type=metered.
Optionaltax_The tax rates which apply to this line item.
When set, provides configuration for this item's quantity to be adjusted by the customer during Checkout.