Creates a site member.
After creation, you can use Send Set Password Email to email the member with a link to set their password. The member can log in to the site when they set their password for the first time.
Note: When creating multiple members, set your requests at least 1 second apart to keep below rate limits.
You can only call this method when authenticated as a Wix app or Wix user identity.
This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.