<How to issue an API Key >
Please refer to the link below for instruction.
Wing Log-in> Click seller name in the upper right corner > Click change seller information > Click sales info tab > Click to issue an OPEN API key and agree to terms and conditions > Click issuing API key
<How to check the key issued>
When an API key is issued, supplier code / access key / secret key are shown on the bottom of the page. The value shown is used for API integration.