> For the complete documentation index, see [llms.txt](https://docs.zaui.com/zapi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zaui.com/zapi/zapi-calls/interacting-with-a-cart/add-product-to-cart.md).

# Add Product to Cart

## zapiAddProductToCart

<mark style="color:green;">`POST`</mark> `https://{yourdomainname}.zaui.net/zapi/`

#### Request Body

| Name                                            | Type    | Description                                                                                                  |
| ----------------------------------------------- | ------- | ------------------------------------------------------------------------------------------------------------ |
| zapiToken<mark style="color:red;">\*</mark>     | integer | Token that must be used for a reseller to communicate with the supplier system.                              |
| methodName<mark style="color:red;">\*</mark>    | string  | The method being called.                                                                                     |
| zapiUserId<mark style="color:red;">\*</mark>    | integer | Generated by the supplier system when a new contact is created.                                              |
| zapiAccountId<mark style="color:red;">\*</mark> | integer | Generated by the supplier system.                                                                            |
| linkedPackageId                                 | integer | Optional parameters for linking a product to an individual package. Required for percentage-based products.  |
| productId<mark style="color:red;">\*</mark>     | integer | ID of the product.                                                                                           |
| cartId<mark style="color:red;">\*</mark>        | integer | ID of the current cart session to add the activity to.                                                       |
| linkedActivityId                                | integer | Optional parameters for linking a product to an individual activity. Required for percentage-based products. |
| quantity<mark style="color:red;">\*</mark>      | integer | How many of each product to add to the card                                                                  |

{% tabs %}
{% tab title="200: OK " %}

```xml
<?xml version="1.0" encoding="utf-8"?>
<response>
    <zapiVersion>2.1</zapiVersion>
    <error>0</error>
    <message>OK</message>
    <methodResponse>
        <methodName>zapiAddProductToCart</methodName>
        <cart>
            <cartId>3b1fbe9bb6937d2932c8535217302be3</cartId>
            <customers/>
            <activities/>
            <products>
                <product>
                    <attributeId>33</attributeId>
                    <productType>
                        <![CDATA[Flat]]>
                    </productType>
                    <productId>6</productId>
                    <productClass>1</productClass>
                    <cartItemId>33</cartItemId>
                    <packageId>0</packageId>
                    <packageName/>
                    <productName>
                        <![CDATA[Ski Poles]]>
                    </productName>
                    <quantity>2.00</quantity>
                    <price>$5.00</price>
                    <total>$10.00</total>
                    <inventoryRemainsAvailable>true</inventoryRemainsAvailable>
                </product>
            </products>
            <remainingBalance>
                <balance>$10.50</balance>
            </remainingBalance>
            <cartTotals>
                <bookingNumber>0</bookingNumber>
                <modifyBookingNumber>0</modifyBookingNumber>
                <bookingSourcedOnline/>
                <activityTotal>$0.00</activityTotal>
                <activityTax>$0.00</activityTax>
                <productTotal>$10.00</productTotal>
                <productTax>$0.50</productTax>
                <packageTotal>$0.00</packageTotal>
                <activitySurplusFees>$0.00</activitySurplusFees>
                <guestFee>$0.00</guestFee>
                <surchargeTotal>$0.00</surchargeTotal>
                <perPersonTax>$0.00</perPersonTax>
                <total>$10.00</total>
                <tax>$0.50</tax>
                <taxUnrounded>$0.50</taxUnrounded>
                <totalIncludingTax>$10.50</totalIncludingTax>
                <totalNetAmount>$0.00</totalNetAmount>
                <zauiMerchantFee>$0.58</zauiMerchantFee>
                <packageTotal_formatted>$0.00</packageTotal_formatted>
                <activityTotal_formatted>$0.00</activityTotal_formatted>
                <productTotal_formatted>$10.00</productTotal_formatted>
                <subtotal_formatted>$10.00</subtotal_formatted>
                <tax_formatted>$0.50</tax_formatted>
                <totalIncludingTax_formatted>$10.50</totalIncludingTax_formatted>
                <totalNetAmount_formatted>$0.00</totalNetAmount_formatted>
                <taxes>
                    <tax>
                        <taxDisplayName>GST</taxDisplayName>
                        <taxAmount>0.5</taxAmount>
                        <taxAmount_formatted>$0.50</taxAmount_formatted>
                    </tax>
                </taxes>
            </cartTotals>
        </cart>
        <currencies/>
        <methodErrorCode>0</methodErrorCode>
        <methodErrorMessage>
            <![CDATA[Added 2]]>
        </methodErrorMessage>
    </methodResponse>
</response>
```

{% endtab %}
{% endtabs %}

For percentage-based products, linkage to a package or activity will be required. This will also automatically determine the product price when it’s a percentage.

{% tabs %}
{% tab title="Request" %}

```xml
<request>
	<zapiToken></zapiToken>
	<zapiAccountId></zapiAccountId>
	<zapiUserId></zapiUserId>
	<zapiMethod>
		<methodName>zapiAddProductToCart</methodName>
		<cartId></cartId>
		<productId></productId>
		<linkedPackageId></linkedPackageId>
		<linkedActivityId></linkedActivityId>
		<quantity></quantity>
	</zapiMethod>
</request>
```

{% endtab %}

{% tab title="Response" %}

```xml
<?xml version="1.0" encoding="utf-8"?>
<response>
	<zapiVersion>2.0</zapiVersion>
	<error>0</error>
	<message>OK</message>
	<methodResponse>
		<methodName>zapiAddProductToCart</methodName>
		<methodErrorCode>0</methodErrorCode>
		<methodErrorMessage></methodErrorMessage>
		<cart></cart>
	</methodResponse>
</response>
```

{% endtab %}
{% endtabs %}


---

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