Add item to cart
documentedAdds a line item (variant) to the current cart.
POST /api/v2/storefront/cart/add_itemCartno implementation yet0 runsInput
variant_id*
Variant ID
e.g. 1
quantity*
Quantity
e.g. 2
first_item_order
Public metadata: first_item_order
true or false
recommended_by_us
Private metadata: recommended_by_us
true or false
Calls Spree Commerce as you (your API key is your account); keychains.dev holds the credentials.