Each link can send to a different URL based on the visitor's country.
Give one link different destinations by country. For example, visitors from Spain go to amazon.es and those from the US to amazon.com, with the same short URL.
You define COUNTRY | URL rules, one per line, and use * for "everyone else". On click, Linsei checks the visitor's country (via local geolocation) and sends them to the matching URL.
From Add-ons, click Install on "Geo redirect".
When creating or editing a link, in "Geo redirect" write one line per country:
ES | https://amazon.es/...US | https://amazon.com/...* | https://global-store.com
It uses ISO 3166-1 alpha-2 codes (two letters): ES Spain, US United States, FR France, GB United Kingdom, DE Germany, IT Italy, PT Portugal, MX Mexico, AR Argentina, BR Brazil... The full official list is at iso.org (or, easier, on Wikipedia).