Step 1
Login to the «Merchant Back End Platform».
Step 2
Select the «系統開發管理» → «系統介接設定» item from the left-side menu:
Step 3
- Look for the «介接設定» form (for now it is the second from the top).
- Look for the «允許的IP» field (for now it is the first in the «介接設定» form).
- Specify your server’s IP address there. Separate it from the previous addresses with the
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delimiter: