Despite this answer from ChatGPT saying that to get a SIM card in Uruguay "you will need to show your passport and register it." I can tell you that it's a walk in the park to getting one with the only requirement of having the equivalent of $1.5 USD in cash in Uruguayan pesos.
You just to go to a small market (it is full of them in Montevideo) and...
https://www.youtube.com/watch?v=FVSzNXDiC7c
As of June, 2nd, 2023, the price of a SIM card from Claro that comes with 60 GBs of traffic costs 50 Uruguayan pesos, which is about 1.5 USD.
Disclaimer, this was just created for educational purposes only. Always comply with the law, and never used another persons' information for anything you have no permission to do it.
But if you intend to use the internet with good intentions, look up "Generation de valid ID numbers from Uruguay."
This was not sponsored by the Ministry of tourism of Uruguay ;)
Reference of the requirement mentioned initially,
"According to my web search, you can get a prepaid eSIM in Urug uhm Prepaid-Global.com¹ or Holafly³. They offer data-only plans that you can activate online and use with compatible devices. You can also keep your WhatsApp number with these eSIMs.
If you prefer a physical SIM card, you can buy one from Antel, Movistar or Claro in their stores or at the airport. However, you will need to show your passport and register your SIM card with them². The SIM cards cost between 60 UYU to 65 UYU (1.55 USD to 1.70 USD) and come with different starter perks².
Origen: Conversación con Bing, 3/6/2023
(1) eSIM Uruguay - no ID required - Prepaid-Global.com. https://prepaid-global.com/en/esim-uruguay-e-sim.
(2) eSIM prepago Uruguay – Datos móviles desde 6GB - Holafly. https://esim.holafly.com/es/esim-uruguay/.
(3) Uruguay: 3 Best Prepaid SIM Cards Buying Guide (2023). https://www.phonetravelwiz.com/buying-a-sim-card-in-uruguay-guide/."
Disclaimer, desp