curl --silent --show-error --fail-with-body --request PUT \
--url 'https://api.stateset.com/api/v1/carts/{id}/items/{item_id}' \
--header "Authorization: Bearer $STATESET_API_KEY" \
--header 'Content-Type: application/json' \
--data '{
"discount_amount": "5.00",
"quantity": 2,
"unit_price": "49.00"
}'
{
"discount_amount": "5.00",
"id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"name": "Two-Person Tent",
"product_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"quantity": 2,
"sku": "SKU-TENT-2P-GRN",
"total": "102.12",
"unit_price": "49.00"
}
Update an item
Update an item
PUT
/
api
/
v1
/
carts
/
{id}
/
items
/
{item_id}
curl --silent --show-error --fail-with-body --request PUT \
--url 'https://api.stateset.com/api/v1/carts/{id}/items/{item_id}' \
--header "Authorization: Bearer $STATESET_API_KEY" \
--header 'Content-Type: application/json' \
--data '{
"discount_amount": "5.00",
"quantity": 2,
"unit_price": "49.00"
}'
{
"discount_amount": "5.00",
"id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"name": "Two-Person Tent",
"product_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"quantity": 2,
"sku": "SKU-TENT-2P-GRN",
"total": "102.12",
"unit_price": "49.00"
}
Confirm your deployment before running this request. This page describes an API contract;
a published reference does not establish hosted availability. Check the dated
host report and obtain your deployment URL and credentials.
Replace the example host if your provisioned service uses a different URL.
Path parameters
string
required
Cart ID
string
required
Cart item ID
Request body
UpdateCartItemRequest
string,null
Decimal discount amount as a string.
integer,null (int32)
string,null
Decimal unit price as a string.
Response
CartItemResponse
string
required
string
required
string
required
string,null
integer (int32)
required
string
required
string
required
string
required
Status codes
| Code | Meaning |
|---|---|
200 | — |
400 | — |
Using this contract
Read the source OpenAPI document for declared schemas and alternatives. This page also includes documented corrections from the spec overlays. Example IDs and values are illustrative; replace them with records from your workspace.curl --silent --show-error --fail-with-body --request PUT \
--url 'https://api.stateset.com/api/v1/carts/{id}/items/{item_id}' \
--header "Authorization: Bearer $STATESET_API_KEY" \
--header 'Content-Type: application/json' \
--data '{
"discount_amount": "5.00",
"quantity": 2,
"unit_price": "49.00"
}'
{
"discount_amount": "5.00",
"id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"name": "Two-Person Tent",
"product_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
"quantity": 2,
"sku": "SKU-TENT-2P-GRN",
"total": "102.12",
"unit_price": "49.00"
}
Last modified on September 21, 2026