Updates the quantity of existing products in a cart. This mutation resets selected shipping method of updated stores, and user will need to select shipping method again
If
quantityis set to zero than the product will be removed from the cart. Negative quantity is not allowed and will result in error.
Arguments
input : CartItemsUpdateInput!
The input object contains the unique identifier (ID) for the cart and the items with their quantities that need to be updated.
Returns
Any requested field from the CartResponse object.
Examples
{
"input": {
"id": "{{cartId}}",
"items": {
"amazonCartItemsInput": [{
"quantity": 1,
"productId": "{{productId}}"
}],
"shopifyCartItemsInput": [{
"quantity": 1,
"variantId": "{{variantId}}"
}]
}
}
}
mutation ($input: CartItemsUpdateInput!) {
updateCartItems(input: $input) {
cart {
cost {
isEstimated
subtotal {
value
displayValue
currency
}
tax {
value
displayValue
currency
}
shipping {
value
displayValue
currency
}
total {
value
displayValue
currency
}
}
id
buyerIdentity {
firstName
lastName
address1
address2
city
provinceCode
countryCode
postalCode
email
phone
}
stores {
... on AmazonStore {
errors {
code
message
details {
productIds
}
}
store
cartLines {
quantity
product {
id
}
}
offer {
errors {
code
message
details {
... on AmazonOfferErrorDetails {
productIds
}
}
}
subtotal {
value
displayValue
currency
}
margin {
value
displayValue
currency
}
notAvailableIds
shippingMethods {
id
label
price {
value
displayValue
currency
}
taxes {
value
displayValue
currency
}
total {
value
displayValue
currency
}
}
selectedShippingMethod {
id
label
price {
value
displayValue
currency
}
taxes {
value
displayValue
currency
}
total {
value
displayValue
currency
}
}
}
}
... on ShopifyStore {
errors {
code
message
details {
variantIds
}
}
store
cartLines {
quantity
variant {
id
}
}
offer {
errors {
code
message
details {
... on ShopifyOfferErrorDetails {
variantIds
}
}
}
subtotal {
value
displayValue
currency
}
margin {
value
displayValue
currency
}
notAvailableIds
shippingMethods {
id
label
price {
value
displayValue
currency
}
taxes {
value
displayValue
currency
}
total {
value
displayValue
currency
}
}
selectedShippingMethod {
id
label
price {
value
displayValue
currency
}
taxes {
value
displayValue
currency
}
total {
value
displayValue
currency
}
}
}
}
}
}
errors {
code
message
}
}
}
{
"data": {
"updateCartItems": {
"cart": {
"id": "KVER2EJJ1kqrjI4H1fbi",
"buyerIdentity": {
"firstName": "John",
"lastName": "Doe",
"address1": "360 w 34th st",
"address2": "{{address2}}",
"city": "new york",
"provinceCode": "WA",
"countryCode": "US",
"postalCode": "98052",
"email": "[email protected]",
"phone": "4250000000"
},
"stores": [
{
"errors": [],
"store": "rye-test-store.myshopify.com",
"cartLines": [
{
"quantity": 3,
"variant": {
"id": "39943631962199"
}
}
],
"offer": {
"errors": [],
"subtotal": {
"value": 30000,
"displayValue": "$300.00",
"currency": "USD"
},
"margin": {
"value": 0,
"displayValue": "$0.00",
"currency": "USD"
},
"notAvailableIds": [],
"shippingMethods": [
{
"id": "0-Economy",
"label": "Economy",
"price": {
"value": 0,
"displayValue": "$0.00",
"currency": "USD"
},
"taxes": {
"value": 0,
"displayValue": "$0.00",
"currency": "USD"
},
"total": {
"value": 30000,
"displayValue": "$300.00",
"currency": "USD"
}
},
{
"id": "3-SonicSound",
"label": "SonicSound",
"price": {
"value": 300,
"displayValue": "$3.00",
"currency": "USD"
},
"taxes": {
"value": 0,
"displayValue": "$0.00",
"currency": "USD"
},
"total": {
"value": 30300,
"displayValue": "$303.00",
"currency": "USD"
}
}
]
}
},
{
"errors": [],
"store": "amazon",
"cartLines": [
{
"quantity": 3,
"product": {
"id": "B00A2KD8NY"
}
}
],
"offer": {
"errors": [],
"subtotal": {
"value": 2385,
"displayValue": "$23.85",
"currency": "USD"
},
"margin": {
"value": 0,
"displayValue": "$0.00",
"currency": "USD"
},
"notAvailableIds": [],
"shippingMethods": [
{
"id": "3.99-Default shipping method",
"label": "Default shipping method",
"price": {
"value": 399,
"displayValue": "$3.99",
"currency": "USD"
},
"taxes": {
"value": 0,
"displayValue": "$0.00",
"currency": "USD"
},
"total": {
"value": 2784,
"displayValue": "$27.84",
"currency": "USD"
}
}
]
}
}
]
},
"errors": []
}
}
}
Errors
If the cart is not found then a corresponding error is returned
{
"errors": [
{
"message": "Cart not found: someInvalidCartId",
"path": [
"getCart"
]
}
],
"data": null
}
If the provided product/variant quantity is then zero then UPDATE_PRODUCTS_FAILED error is returned
{
"data": {
"updateCartItems": {
"cart": {
"id": "JOTxszhBZDl4xtTi3Fpi",
"stores": [
{
"errors": [
{
"code": "UPDATE_PRODUCTS_FAILED",
"message": "Product quantity must be greater or equal to zero",
"details": {
"variantIds": [
"39943631962199"
]
}
}
],
"store": "rye-test-store.myshopify.com",
"cartLines": [
{
"quantity": 1,
"variant": {
"id": "39943631962199"
}
}
]
}
]
},
"errors": []
}
}
}
If the cart is already submitted then CART_MODIFICATION_FORBIDDEN error is returned
If products are not present in the cart then UPDATE_PRODUCTS_FAILED error is returned
{
"data": {
"updateCartItems": {
"cart": {
"id": "rWTUnzLhsq0sHmO5HWhx",
"stores": [
{
"errors": [
{
"code": "UPDATE_PRODUCTS_FAILED",
"message": "Variant to update not found in the store \"rye-test-store.myshopify.com\". Variant ID: 40147641892951",
"details": null
}
]
}
]
},
"errors": []
}
}
}