1、点击链接:https://developer.octopia-io.net/api-credentials/#linkAgregClientToSeller 跳转,填写clientId:Shenzhen Eccang Technology Co., Ltd., 注意:前后不要有空格

2、先勾选按钮:Using the API requires acceptation of the platform's Terms & Conditions,然后点击按钮:Confirm my agregator clientId

3、点击按钮:Proceed with seller authentication

4、登录店铺账号,若已登录忽略此步骤

5、点击按钮:Yes. continue

6、复制Seller Id

7、输入Sller Id,点击按钮:确认,保持数据,授权完毕。