Issue API Key

Questions about API key issuance, HMAC signing, and IP allowlist.

30 questions

• 01How to resolve "Sorry! Access denied" (HTTP 403) error when calling Coupang OpenAPI?2026-04-30
• 02Why is the Open API Key "Re-issue" button greyed out and unclickable?2026-04-27
• 03Why am I getting an API modification limit alert even though I haven't modified it more than 10 times in the last 7 days?2026-04-27
• 04Can I register more than 2 Integrators when issuing an OpenAPI Key?2026-06-25
• 05When issuing an OpenAPI Key, can I register one Integator and one self-development(direct Input) at the same time?2026-06-25
• 06Editing is not possible due to the limit of 10 modifications to linked information per week. Is it possible to reset?2025-07-28
• 07After reissuing the API key or modifying the Integrator information or IP address, the API cannot be linked immediately.2025-07-28
• 08I am opening a store in Coupang, but the API key is not issued.2026-06-18
• 09When issuing an OpenAPI Key, the issue button is disabled and the API Key cannot be issued.2025-07-28
• 10How many days is the key valid for OpenAPI?2025-07-28
• 11Where can I issue / check API Key(AccessKey, SecretKey)?2025-07-28
• 12Example of Open API Key expiration email notification2025-07-28
• 13We are linking with Coupang through our own development of OpenAPI. What is the route to register an IP address?2024-07-22
• 14How can I check my IP address when issuing an OpenAPI Key?2025-07-28
• 15Do I need to enter the IP address when using the Seller Tool program installed on my PC?2025-07-28
• 16If an OpenAPI Key is reissued, is the existing API key unusable immediately?2025-07-28
• 17Is it possible to reissue the Open API Key when its validity period expires?2025-07-28
• 18I want to expire the issued key before the validity period of the Open API Key expires. Is deletion possible?2025-07-28
• 19What does the seller tool in the notice mean?2025-07-28
• 20When issuing an OpenAPI Key, click the “Agree to Terms and Conditions and Get Key Issuance” button, the screen does not move.2025-07-28
• 21What is an OpenAPI key?2025-07-28
• 22When calling the API, a 403 [FORBIDDEN] Not allowed IP error occurs.2025-07-28
• 23An invalid signature error is returned. (HMAC error)2025-07-28
• 24"Specified signature is expired" 401 Error Return2025-07-28
• 25Is There a Guide on Generating HMAC?2025-07-28
• 26Is there any non-Java language sample?2025-07-28
• 27Where can I find VendorId (Vendor's ID) and vendorUserId(Wing user's Id)?2026-06-05
• 28Do I have to pay for Coupang open API service?2025-07-28
• 29Is there any limitation on the number of query created per day?2025-07-28
• 30Why can't I apply for an Open API Key with my newly applied account?2026-03-24