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Validate multiple steam keys and generate txt files with the keys that have not been used and those that were used.
Golang. Checks if a Steam key can be valid using regex.
Validate and divide the used Steams Keys from those not and generate .txt files. - avaroz/STEAM-KEYS-VALIDATOR
This script allow you to create a random product key for Steam, check if is valid and, in positive case, notify it to your bot on Telegram and print it on screen. To create the API request, it need to access to your Steam account to retrieve the sessionID.
If you contact Steam support and tell them you are trying to check if a CD key is valid, Steam Support can tell you if they're valid or not. Just tell them you're trying to give a key to a friend and don't want to risk giving them a used key or whatever.
My friend sent me 100 CD Keys as a gift - I don't know where he got them, but I don't want to check them manually - does anyone know of an automated CD Key checker?
23 Νοε 2017 · There is no system to determine if you have used a key or not. You can attempt to use the key and it will either add the game to your account or tell you that you already own that product.