FAQs
Issue API Key
- Why can't I apply for an Open API Key with my newly applied account?
- Can I register more than 2 Integrators when issuing an OpenAPI Key?
- When issuing an OpenAPI Key, can I register one Integator and one self-development(direct Input) at the same time?
- Editing is not possible due to the limit of 10 modifications to linked information per week. Is it possible to reset?
- After reissuing the API key or modifying the Integrator information or IP address, the API cannot be linked immediately.
- I am opening a store in Coupang, but the API key is not issued.
API authentication
- When calling the API, a 403 [FORBIDDEN] Not allowed IP error occurs.
- An invalid signature error is returned. (HMAC error)
- "Specified signature is expired" 401 Error Return
- Is There a Guide on Generating HMAC?
- Is there any non-Java language sample?
- Where can I find VendorId (Vendor's ID) and vendorUserId(Wing user's Id)?
Logistics API
- [Shipping Location] Information is not reflected after updating the shipping location with the API.
- Can I register outbound/return address only with the form of roadname address?
- [Return Location] When I create a return location, I get the following error: "Listed but failed to authenticate contract".
- [Return Location] I cannot enter vendorCreditFee05kg ~ returnFee20kg value when creating return location
- Where can I find the code for outbound / return address?
- [Return Address] Can I register the same return address for other case?
Category API
Product API
- Notice on changes to all category purchase options (October 10, 2024) : FAQ collection
- How can I check the required purchase options and attribute values available for entry?
- When creating or modifying a product, an error in the return shipping cost occurs.
- Can I search SupplyHub and Rocket Growth products through OpenAPI?
- Are product composition, same-day delivery, catalog matching management, and automatic price adjustment functions supported by OpenAPI?
- When modifying a product using the API, an error occurs ‘Required options (weight per piece, other) have not been entered.’
Shipment/Refund API
- In the order list inquiry API response message, SellerProductName and exposed product name are different.
- What do I do when uploading waybill number returns error: INVALID STATUS?
- Is it possible to change the shipping address when the order is in the product in preparation status?
- The 'success' message was returned when calling the changing the status to product in preparation API, but in WING system continues to expose 'payment completed' status.
- I want to suspend shipment. What value do I enter for the "cancelCount" parameter?
- I see splitShipping and ableSplitShipping when collecting POs. I don't exactly know their difference.
Return API
- How do I use an orderId to query a single return PO in the Return/Cancellation Request List Query API ?
- How do I distinguish between a cancellation request made in the Return/Cancellation Request List Query API and an order that was canceled after the delivery order?
- What will happen after I process the request to releae stop with the processing 'already released' API?
- Is there any way to query Coupang's discretionary-cancellation or quick-refund orders?
- Do you have an API that I can call to get data on the additional delivery fee for returns & exchanges?
- There are 3 ways of querying return request list: by days, by minutes and by request itself. Which one should I use?
Exchange API
- Are there any preconditions for uploading an exchange waybill? And I don't see shipmentBoxId in API JSON sample.
- When I query the list of exchange request, "shipmentBoxId" would not be displayed.
- I get the following error: shipmentBoxId (656416676)'s status [NONE_TRACKING] is not suitable for applyInvoice. Only INSTRUCT status shipment can be called with applyInvoice ……
- How does the exchange status change when I confirm receiving the exchange-requested product?
- Can the exchangeAmount(exchange shipping fee) be anything other than 0?
- Where can I check exchangeId?
CS API
Settlement API
Etc
- Error 302 occurs when calling the API.
- How do I register on the Integrator list?
- A 403 Forbidden error occurs.
- Do all sellers have to enter information in the integrator business operator (seller tool) information addition survey?
- I am an Integrator business operator. The IP address to access Coupang has changed. What should I do?
- Is a test account or test environment provided for API?