In general Short.io doesn't allow changing an auto generated shortcm.li domain. However, if you want to change your free domain, you need to have a Short.io account registered on a corporate email. Something like, team@your-company-name. Short.io workers have an email: name@short.io.

Briefly:

  1. You have a Short.io account registered on a corporate email.
  2. You request to the Short.io support to change a free shortcm.li domain.
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