What parameters does POST /V1/carts/mine/items accept?

This endpoint accepts 1 parameter: cartItem (Magento\Quote\Api\Data\CartItemInterface) required.

What does POST /V1/carts/mine/items return?

The endpoint returns Magento\Quote\Api\Data\CartItemInterface.

Does POST /V1/carts/mine/items require authentication?

This endpoint requires a Bearer token. The `self` ACL means a customer token (when the caller owns the resource) or an admin token both work.

MageSmith

POSTQuote · Magento 2.4.9 Self (customer or admin)

POST /V1/carts/mine/items

Q: What does the POST /V1/carts/mine/items endpoint do in Magento 2?

POST /V1/carts/mine/items is a Magento 2 REST endpoint in the Quote module. Add/update the specified cart item. Requires a customer or admin Bearer token (whichever owns the resource).

POST /V1/carts/mine/items is a Magento 2 REST endpoint in the Quote module. Add/update the specified cart item. Requires a customer or admin Bearer token (whichever owns the resource).

Last verified: 2026-05-23 against Magento 2.4.9.

Returns

Magento\Quote\Api\Data\CartItemInterface

Item.

Service contract

Magento\Quote\Api\CartItemRepositoryInterface::save

Authorization

Self — a customer Bearer token (when the caller owns the resource) or an admin token both work.

Body parameters

cartItem Magento\Quote\Api\Data\CartItemInterface Required

The item.

Example request

Auto-generated from the service contract — paste-ready against your store's /rest/default base. Replace the host, store code, ACL token, and any required values before running.

Headers

application/json

Content-Type

application/json

Authorization

Bearer <ACCESS_TOKEN> customer or admin token (whoever owns the resource)

Path

/V1/carts/mine/items

Body

{
  "cartItem": {
    "extension_attributes": {},
    "item_id": 0,
    "name": "",
    "price": 0,
    "product_option": {
      "extension_attributes": {}
    },
    "product_type": "",
    "qty": 0,
    "quote_id": "",
    "sku": ""
  }
}