Product API – Open API

When registering or modifying a product through the API, the entered itemName value is not properly exposed.

In the API JSON, itemName is a value for internal use to distinguish each item (option). The itemName on the API and the option name displayed on the WING are not related to each other and may be e... See more

When registering a product with the API, an error "The item with the same option and option value as an item exists in duplicate" occurs.

1. Please check if there is no duplicate itemName value for each option in the product creation JSON text. 2. Check if the attributeTypeName and attributeValueName values are entered in the attribu... See more

Product approval was rejected due to a failure to download a representative or other image.

The reasons why the image download fails are as follows. 1.TimeOut due to image download speed exceeded 2.Cannot access the image host server 3.Incorrect image path 4.Use a number other than 80 or ... See more

When modifying a product with API, an error message occurs, 'You cannot delete a product that is on sale'.

When modifying a product registered in Coupang through API, 1. First, search for products registered in Coupang using the product inquiry API (GET) 2. After changing only the value of the part to b... See more

The error 'duplicated item name exists' occurs when modifying the product with API.

An error occurs when registering or modifying a product using an Integrator's company solution.

Please contact the customer service center of the Integrator's company you are using first. See more

When is the status that can be modified by the modify product API?

You can modify the product with API when the product is approved and approval denied, just like WING. Modification is not possible during the awaiting approval status See more

When registering a product, a notification information error occurs.

Please inquire the category code entered through the Category Metadata Query API to check if it matches the notification information entered at the time of product registration. See more

I changed the shipping cost type and free shipping condition amount through the modify product API. When will it be reflected in the Coupang front?

If the shipping cost is modified using the modify product API, the approval process is required. It may take at least 4 hours or up to 24 hours to be reflected in Coupang Front after the approval i... See more

How do I get a personal customs clearance number (PCC) from a customer?

You can set the pccNeeded value to true in the product creation API. See more

Is there a limit to the speed of requests for product registration and modification API usage?

If you use excessive product registration and modification API in a short period of time, processing delay and error will occur. When using the product modification or the product creation API, ple... See more

How do I list a parallel-imported product?

To list a parallel-imported product, check for two things, as shown below:1. Enter "PARALLEL_IMPORTED" for your parallel-imported (parallelImported) product. { "parrallelImported": "PARALLEL_I... See more

What are the rules for search keywords for product listing?

Each keyword should be no longer than 20 characters. You can enter up to 20 keywords. Your keyword should not include any special characters except for: !@#$%^&*-+;:'. In general, all product-rela... See more

When I call the List Product API, I get the following error: "Input error"

This error usually appears with the line with a problem. Please revise the respective line in the json body. See more

Can I register the seller-provided unique key (product management code) with Coupang to manage my products?

When you create a product, enter "externalVendorSku" (seller product code) to use the code in your product order, etc. for management. For other values, use the "extraProperties" (extra options) fi... See more

I want to add an item (vendor item).

Add all the sub-categories for the respective options in the items array.Do not enter "sellerProductItemId" in the added options. See more

Can I list a single product without options?

Yes, you can. Regardless of the value of isAllowSingleItem in [Category Meta Data Query API], single product (item) can be listed as there is no attributes input in product creation API. (Applicabl... See more

"An item already created as a vendorItem cannot be deleted" Such an error will occur.

This error occurs when you try to delete an already approved product. For products that have already been approved, you cannot delete the options. Therefore, please mark the option as 'sales suspe... See more

Can my products get displayed on the website in the order of options I register?

No, they can't. The products will be exposed on the front (sales page) in the order of Coupang's own logic. See more

I'd like to search for a product. Where can I find sellerProductId?

sellerProductId can be provided in a form of 'response' upon product creation, and checked through both[Product List paging retrieve API] and [Product List segment retrieve API]. See more

The displayed message says, "The seller product[********] is not found nor can be deleted. The product can only be deleted in the status of ' Saved' or 'Temporarily saved'."

You can delete a product only when all options under an item switch over to the status of "Suspended for sale". Please try again after suspending all options for sale. See more

'Search range has been exceeded. Maximum search range is 10 minutes' error message is displayed on the screen.

You can only query products within the configured 10 minutes range in the [Product List segment retrieve API]. Please reconfigure query range. See more

How can I check sellerProductId when I want to approve a product?

sellerProductId will be displayed as a response message in the product creation stage.(Or you can search based on "registration product ID" under Product Query in seller portal (WING)). See more

Error message "Object text must begin with '{' at character 0" is displayed.

Please check the vendorItemId. vendorItemId is the option ID created when a product has been approved. Please check and make sure you have entered the correct value. See more

Error message 'There is an error in the input value. line:1' is displayed. How do I fix this?

Error message 'line:1' is displayed when the exact error location cannot be identified because the input value is entered as a single line. Please re-try after changing the JSON format using JSON ... See more

Can I use <iframe>?

You cannot use <iframe> tags, except for YouTube and general images. See more

I want to delete an item (vendor item).

You can only delete an item after its initial listing before it is approved. (Once "vendorItemId" is created after approval, you cannot delete it.) To delete it before approval, delete all the sub-... See more

I get the following error: "Could not change the sales price. You can change within the range between: up to 50% lower - up to 100% higher than the previous sales price before the change."

To prevent sellers from providing incorrect price amounts and protect them from their mistake, Coupang limits price modification within to the given range. If you need to adjust your prices by a b... See more

How do I know which parameters are required and which ones are optional?

For items array, all the parameters are required except for the following:<Parameters that are low-priority and optional for items array>- externalVendorSku: item code used by the seller/vendor - b... See more

Is API product integration available for adult-only (19+) products?

Yes, it is. When you create a product, add the parameter "adultOnly": "ADULT_ONLY" to list your product as adult-only (19+). See more

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