FAQs
Issue API Key
- Is it possible to use it immediately when issuing an API key or modifying integrator information or IP address?
- I am using two or more intgrators. Can I register more than 2 Integrators when issuing an OpenAPI Key?
- Is it possible to modify linkage information at any time?
- Where can I issue / check API Key(AccessKey, SecretKey)?
- We have been issued an OpenAPI key and are using it. Will the validity period apply to existing issuance recipients?
- How can I check my IP address when issuing an OpenAPI Key?
API authentication
- [FORBIDDEN] Not allowed IP. An error occurs.
- 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
- Can I search SupplyHub and Rocket Growth products through OpenAPI?
- Are product type, same-day delivery, catalog matching management, and automatic price adjustment functions supported by OpenAPI?
- When registering or modifying a product through the API, the entered itemName value is not properly exposed.
- 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.
- Product approval was rejected due to a failure to download a representative or other image.
- When modifying a product with API, an error message occurs, 'You cannot delete a product that is on sale'.
Shipment/Refund API
- 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.
- When I register a Direct Courier Delivery (DIRECT) waybill, it is not processed as Delivery Completed.
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
Etc
- 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?
- Do I need to register the server IP Address to use Coupang OpenAPI?
- Mismatched product caused incorrect image exposure. What should I do?
- Timeout errors occur.