yìngyòngchéngxùjiēkǒu
ㄧㄥˋ ㄩㄥˋ ㄔㄥˊ ㄒㄩˋ ㄐㄧㄝ ㄎㄡˇ
Simplified 应用程序接口
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 應用程序接口 and it comes back until you know it.