[PUT] Update product

* Authentication

Required Authorization

Limit throttle: 30,1

Endpoint [PUT] - /shop-api/pre-order/products/update

Headers

Header	Required	Description
Authorization	Yes	Shop public API key Bearer token
Content-Type	Yes	application/json

---

1. Request Payload

Field	Type	Required	Description
products	array	Yes	Product lines to update (min 1)
products.*.id	integer | string	Yes	Product line DB ID (from List Products)
products.*.product_id	integer | string	Yes	Shopify product ID
products.*.variant_id	integer | string	Yes	Shopify variant ID
products.*.profile_id	integer | string	Yes	Target offer ID
products.*.limit	number | string | null	No	Unit limit; null / "" = unlimited
products.*.end_quantity	number | string | null	No	End quantity; null / "" clears it

Example

{
    "products": [
        {
            "id": 5012,
            "product_id": 7890123456789,
            "variant_id": 4567890123456,
            "profile_id": 123,
            "limit": 100,
            "end_quantity": 5
        },
        {
            "id": 5013,
            "product_id": 7890123456790,
            "variant_id": 4567890123457,
            "profile_id": 456,
            "limit": null,
            "end_quantity": null
        }
    ]
}

---

2. Success Response 200

{"success": true,"message": "Products updated","changed_line_ids": [5012, 5013]}

If every line was unchanged or not found:

{"success": true,"message": "Products updated","changed_line_ids": []}

---

3. Response Keys & Fields

Top-level

Key	Type	Description
success	boolean	true when the request completes successfully
message	string	"Products updated"
changed_line_ids	array	Product line ids that were actually modified

Request field reference

Field	Type	Description
id	integer	Internal product-line ID (not Shopify ID)
product_id	integer	Shopify product ID
variant_id	integer	Shopify variant ID
profile_id	integer	Offer (profile) ID to assign
limit	number | null	Max pre-order units; null = unlimited
end_quantity	number | null	Inventory end-quantity threshold

Side effects

Change	Side effect
limit changed	updateRemainingUnitsMetafield job
end_quantity changed	updateEndQuantityVariantsMetafield job
profile_id changed	Profiles metafield refresh; possible selling-plan variant add/remove

---

4. Failed Response

Validation error — HTTP 200

{
    "success": false,
    "message": {
        "products": [
            "The products field is required."
        ],
        "products.0.id": [
            "The products.0.id field is required."
        ],
        "products.0.profile_id": [
            "The products.0.profile_id field is required."
        ]
    }
}

Unexpected server error — HTTP 200

{"success": false,"message": "Something went wrong"}