If
quantity is set to zero than the product will be removed from the cart. Negative quantity is not allowed and will result in error.Arguments
The
input object contains the unique identifier (ID) for the cart and the items with their quantities that need to be updated.Returns
CartResponse.*
Any requested field from the
CartResponse object.Example - request
Query arguments
{
"input": {
"id": "{{cartId}}",
"items": {
"amazonCartItemsInput": [{
"quantity": 1,
"productId": "{{productId}}"
}],
"shopifyCartItemsInput": [{
"quantity": 1,
"variantId": "{{variantId}}"
}]
}
}
}
GraphQL
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
}
}
}
Example - response
Response
{
"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]](/cdn-cgi/l/email-protection)",
"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 returnedJSON
{
"errors": [
{
"message": "Cart not found: someInvalidCartId",
"path": [
"updateCartItems"
],
"extensions": {
"code": "CART_NOT_FOUND_ERROR"
}
}
],
"data": null
}
JSON
{
"errors": [
{
"message": "Cart expired: someExpiredCartId",
"path": [
"updateCartItems"
],
"extensions": {
"code": "CART_EXPIRED_ERROR"
}
}
],
"data": null
}
UPDATE_PRODUCTS_FAILED error is returned
JSON
{
"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": []
}
}
}
CART_MODIFICATION_FORBIDDEN error is returned
If products are not present in the cart then UPDATE_PRODUCTS_FAILED error is returned
JSON
{
"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": []
}
}
}