Notice of changes of developer portal and 24 apis's internationalization (June 26, 2025)

Hello, this is Coupang.

We will share updates on developer portal  and format changes of 24 apis such as Currency, Date/Time, Phone number due to internationalization work.

The previous version of the API endpoints are still valid and the responses are the same as before. The new version of the API endpoints will be running in parallel with the old version after July 25th. Coupang has no plan to take the old version off-line in the foreseeable future. 

Effective Date: July 25, 2025

Target API: the full api list is below.

API	URL
Create a shipping location	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/outboundShippingCenters
Query a shipping location	/v2/providers/marketplace_openapi/apis/api/v2/vendor/shipping-place/outbound
Update a shipping location	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/outboundShippingCenters/{outboundShippingPlaceCode}
Create a return location	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/returnShippingCenters
Display return list	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/returnShippingCenters
Update a return location	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/returnShippingCenters/{returnCenterCode}
Query on return location	/v2/providers/openapi/apis/api/v3/return/shipping-places/center-code
Order List View (Daily Paging)	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/ordersheets
View order list (all in minutes)	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/ordersheets
Order item single item inquiry (shipmentBoxId)	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/ordersheets/{shipmentBoxId}
OrderId	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/{orderId}/ordersheets
View shipping history	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/ordersheets/{shipmentBoxId}/history
Processing during product preparation	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/ordersheets/acknowledgement
Cancellation processing	/v2/providers/openapi/apis/api/v6/vendors/{vendorId}/orders/{orderId}/cancel
List of return requests	/v2/providers/openapi/apis/api/v6/vendors/{vendorId}/returnRequests
Use the return receipt number to perform a return item check	/v2/providers/openapi/apis/api/v6/vendors/{vendorId}/returnRequests/{receiptId}
Return goods receipt confirmation	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/returnRequests/{receiptId}/receiveConfirmation
Process return request authorization	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/returnRequests/{receiptId}/approval
Customer inquiry by product	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/onlineInquiries
Answer your question	/v2/providers/openapi/apis/api/v4/vendors/{vendorId}/onlineInquiries/{inquiryId}/replies
Coupang call center inquiry	/v2/providers/openapi/apis/api/v5/vendors/{vendorId}/callCenterInquiries
Answer to coupang call center contact	/v2/providers/openapi/apis/api/v4/vendors/{vendorId}/callCenterInquiries/{inquiryId}/replies
Contact coupang call center	/v2/providers/openapi/apis/api/v4/vendors/{vendorId}/callCenterInquiries/{inquiryId}/confirms
Contact coupang call center	/v2/providers/openapi/apis/api/v5/vendors/callCenterInquiries/{inquiryId}

 

Description:  All changes are below.

1. Multi-language support:  add Traditional Chinese support, including 24 API documents (TW sellers need), FAQ, Guides, How to use, etc.
2. Internationalization: launch a new version for these 24 apis to upgrade the format of Currency, Date/Time, Phone Number to match international standards, request and response of these apis will follow the latest format.
   1. Currency:  use json like {"currencyCode":"KRW", "units":1000, "nanos": 0} to express money, the currencyCode follows ISO-4217 https://en.wikipedia.org/wiki/ISO_4217
   2. Date/Time: follow ISO-8601 https://en.wikipedia.org/wiki/ISO_8601
   3. Phone Number: follow E.164 standard https://en.wikipedia.org/wiki/E.164
3. Upgrade developer portal:  All sellers will share a same developer portal in different market.
   1. removed login feature
   2. inquiry: sellers should submit a inquiry request through Wing, the path is that:  click 'Support' / 'Start Online Inquiry on Wing' → Login on Wing if not → click 'OpenAPI' to submit a request