Prerequisites
You must have an Alibaba Cloud account. If you don't have one yet, complete the Register account first.
Procedure
Log on to the mPaaS console and access the mPaaS application. In the navigation pane on the left, choose Mini Program > Mini Program Open Platform > Developer Backend.

On the Mini Program Open Platform developer console page, click Register Now.

On the Register page, enter your Mailbox and obtain the verification code. Enter an alias and a password.

The verification code will be sent to you as shown below:

Click Register.