Medusa API
  1. Carts
Medusa API
  • Store API
    • Getting Started
      • Introduction
      • Authentication
      • HTTP Compression
      • Publishable API Key
      • Expanding Fields
      • Selecting Fields
      • Query Parameter Types
      • Pagination
    • Auth
      • Check if Email Exists
      • Customer Login (JWT)
      • Customer Login (JWT)
      • Customer Log out
      • Get Current Customer
      • Customer Login
    • Carts
      • Create Payment Sessions
        POST
      • Update a Payment Session
        POST
      • Delete a Payment Session
        DELETE
      • Create a Cart
        POST
      • Get a Cart
        GET
      • Update a Cart
        POST
      • Remove Discount
        DELETE
      • Add a Line Item
        POST
      • Update a Line Item
        POST
      • Delete a Line Item
        DELETE
      • Select a Payment Session
        POST
      • Refresh a Payment Session
        POST
      • Add Shipping Method
        POST
      • Calculate Cart Taxes
        POST
      • Complete a Cart
        POST
    • Customers
      • Get Saved Payment Methods
      • Request Password Reset
      • Update a Shipping Address
      • Delete an Address
      • Create a Customer
      • Get a Customer
      • Update Customer
      • Add a Shipping Address
      • Reset Password
      • List Orders
    • Gift Cards
      • Get Gift Card by Code
    • Orders
      • Claim Order
      • Verify Order Claim
      • Look Up an Order
      • Get by Cart ID
      • Get an Order
    • Order Edits
      • Retrieve an Order Edit
      • Decline an Order Edit
      • Complete an Order Edit
    • Payment Collections
      • Refresh a Payment Session
      • Authorize Payment Session
      • Get a PaymentCollection
      • Create a Payment Session
      • Manage Payment Sessions
      • Authorize Payment Sessions
    • Products
      • Search Products
      • Get a Product
      • List Products
    • Product Variants
      • Get Product Variants
      • Get a Product Variant
    • Product Tags
      • List Product Tags
    • Product Categories
      • Get a Product Category
      • List Product Categories
    • Product Collections
      • List Collections
      • Get a Collection
    • Product Types
      • List Product Types
    • Regions
      • Get a Region
      • List Regions
    • Returns
      • Create Return
    • Return Reasons
      • List Return Reasons
      • Get a Return Reason
    • Shipping Options
      • List for Cart
      • Get Shipping Options
    • Swaps
      • Create a Swap
      • Get by Cart ID
  • Admin API
    • Auth
      • Get Current User
      • User Logout
      • User Login
      • User Login (JWT)
    • Apps Oauth
      • Generate Token for App
      • List Applications
    • Batch Jobs
      • Cancel a Batch Job
      • Get a Batch Job
      • Confirm a Batch Job
      • List Batch Jobs
      • Create a Batch Job
    • Currencies
      • List Currency
      • Update a Currency
    • Customers
      • Create a Customer
      • List Customers
      • Update a Customer
      • Get a Customer
    • Customer Groups
      • Remove Customers from Group
      • Add Customers to Group
      • List Customers
      • Create a Customer Group
      • List Customer Groups
      • Get a Customer Group
      • Delete a Customer Group
      • Update a Customer Group
    • Discounts
      • Create a Condition
      • Create a Discount
      • List Discounts
      • Get a Condition
      • Update a Condition
      • Delete a Condition
      • Create a Dynamic Code
      • Remove Batch Resources
      • Add Batch Resources
      • Get Discount by Code
      • Delete a Dynamic Code
      • Add Region to Discount
      • Remove Region
      • Delete a Discount
      • Update a Discount
      • Get a Discount
    • Draft Orders
      • Create a Line Item
      • Delete a Line Item
      • Update a Line Item
      • Update a Draft Order
      • Delete a Draft Order
      • Get a Draft Order
      • Create a Draft Order
      • List Draft Orders
      • Mark Paid
    • Gift Cards
      • Create a Gift Card
      • List Gift Cards
      • Delete a Gift Card
      • Get a Gift Card
      • Update a Gift Card
    • Inventory Items
      • Create an Inventory Item
      • List Inventory Items
      • List Inventory Level
      • Create an Location Level
      • Update an Inventory Item
      • Get an Inventory Item
      • Delete an Inventory Item
      • Update a Location Level
      • Delete a Location Level
    • Invites
      • Lists Invites
      • Create an Invite
      • Delete an Invite
      • Accept an Invite
      • Resend an Invite
    • Notes
      • List Notes
      • Create a Note
      • Get a Note
      • Delete a Note
      • Update a Note
    • Notifications
      • Resend Notification
      • List Notifications
    • Orders
      • Create a Reservation
      • Cancel Claim's Fulfillment
      • Ship a Claim's Fulfillment
      • Cancel Swap's Fulfilmment
      • Get Order Reservations
      • Add a Shipping Method
      • Create a Refund
      • Get an Order
      • Update an Order
      • Create a Fulfillment
      • Cancel a Swap
      • List Orders
      • Create a Swap
      • Complete an Order
      • Create a Swap Fulfillment
      • Cancel a Claim
      • Process a Swap Payment
      • Ship a Fulfillment
      • Capture an Order's Payments
      • Archive Order
      • Update a Claim
      • Request a Return
      • Create a Claim Fulfillment
      • Ship a Swap's Fulfillment
      • Cancel a Fulfilmment
      • Create a Claim
      • Cancel an Order
    • Order Edits
      • Delete a Line Item Change
      • Add a Line Item
      • Upsert Line Item Change
      • Delete Line Item
      • Cancel an Order Edit
      • Delete an Order Edit
      • Get an Order Edit
      • Update an Order Edit
      • Request Confirmation
      • Create an OrderEdit
      • List Order Edits
      • Confirm an OrderEdit
    • Payments
      • Capture a Payment
      • Get Payment details
      • Refund Payment
    • Payment Collections
      • Delete a Payment Collection
      • Get a Payment Collection
      • Update Payment Collection
      • Mark Authorized
    • Product Collections
      • Add Products to Collection
      • Remove Products from Collection
      • Get a Collection
      • Update a Collection
      • Delete a Collection
      • List Collections
      • Create a Collection
    • Product Tags
      • List Product Tags
    • Product Types
      • List Product Types
    • Product Variants
      • Get Variant's Inventory
      • List Product Variants
      • Get a Product variant
    • Price Lists
      • Delete a Product's Prices
      • List Products
      • Delete a Variant's Prices
      • Get a Price List
      • Update a Price List
      • Delete a Price List
      • Add or Update Prices
      • Delete Prices
      • Create a Price List
      • List Price Lists
    • Products
      • List Product Types
      • List Tags Usage Number
      • List a Product's Variants
      • Create a Product Variant
      • Update a Product Variant
      • Delete a Product Variant
      • Add a Product Option
      • Set Metadata
      • Delete a Product Option
      • Update a Product Option
      • List Products
      • Create a Product
      • Delete a Product
      • Update a Product
      • Get a Product
    • Product Categories
      • Create a Product Category
      • List Product Categories
      • Update a Product Category
      • Delete a Product Category
      • Get a Product Category
      • Add Products to a Category
      • Remove Products from Category
    • Publishable Api Keys
      • List Sales Channels
      • Delete Publishable API Key
      • Get a Publishable API Key
      • Revoke a Publishable API Key
      • Remove Sales Channels
      • Add Sales Channels
      • Update Publishable API Key
      • List Publishable API keys
      • Create Publishable API Key
    • Reservations
      • Delete a Reservation
      • Update a Reservation
      • Get a Reservation
      • Create a Reservation
      • List Reservations
    • Regions
      • List Fulfillment Options
      • Add Country
      • Remove Fulfillment Provider
      • Remove Payment Provider
      • Add Payment Provider
      • Delete a Region
      • Update a Region
      • Get a Region
      • List Regions
      • Create a Region
      • Add Fulfillment Provider
      • Remove Country
    • Return Reasons
      • Get a Return Reason
      • Delete a Return Reason
      • Update a Return Reason
      • List Return Reasons
      • Create a Return Reason
    • Returns
      • Receive a Return
      • List Returns
      • Cancel a Return
    • Sales Channels
      • Remove Stock Location from Sales Channels.
      • Associate a Stock Location
      • Get a Sales Channel
      • Delete a Sales Channel
      • Update a Sales Channel
      • Remove Products from Sales Channel
      • Add Products to Sales Channel
      • Create a Sales Channel
      • List Sales Channels
    • Shipping Options
      • Update Shipping Option
      • Get a Shipping Option
      • Delete Shipping Option
      • List Shipping Options
      • Create Shipping Option
    • Shipping Profiles
      • List Shipping Profiles
      • Create a Shipping Profile
      • Delete a Shipping Profile
      • Update a Shipping Profile
      • Get a Shipping Profile
    • Stock Locations
      • List Stock Locations
      • Create a Stock Location
      • Get a Stock Location
      • Update a Stock Location
      • Delete a Stock Location
    • Store
      • List Payment Providers
      • Add a Currency Code
      • Remove a Currency
      • List Tax Providers
      • Update Store Details
      • Get Store details
    • Swaps
      • Get a Swap
      • List Swaps
    • Uploads
      • Upload Files
      • Delete an Uploaded File
      • Get a File's Download URL
      • Protected File Upload
    • Tax Rates
      • Add to Shipping Options
      • Remove Shipping Options from Rate
      • Create a Tax Rate
      • List Tax Rates
      • Add to Products
      • Remove Products from Rate
      • Delete a Tax Rate
      • Get a Tax Rate
      • Update a Tax Rate
      • Add to Product Types
      • Remove Product Types from Rate
    • Users
      • Reset Password
      • Request Password Reset
      • Get a User
      • Delete a User
      • Update a User
      • Create a User
      • List Users
  1. Carts

Update a Line Item

Prod Env
{{baseURL}}
Prod Env
{{baseURL}}
POST
/store/carts/{id}/line-items/{line_id}
Update a line item's quantity.
Request Request Example
JavaScript
Shell
Java
Swift
curl --location -g --request POST '{{baseURL}}/store/carts//line-items/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "quantity": 0,
    "metadata": {}
}'
Response Response Example
200 - Example 1

Request

Path Params

Body Params application/json

Examples

Responses

🟢200OK
application/json
Body

🟠400Client Error or Multiple Errors
🟠404Not Found Error
🟠409Invalid State Error
🟠422Invalid Request Error
🔴500Server Error
Modified at 2025-07-23 05:41:28
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Add a Line Item
Next
Delete a Line Item
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