Found more info on listing a coin on cryptopia.

https://www.cryptopia.co.nz/Forum/Thread/1484

basically you need to pay 2,500,000 DOT to get it considered everyone complaining about the price...

trading on cryptopia 2,500,000 DOT = 9.5btc
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4) https://cryptocoincharts.info/markets/show/c-cex - Friendly good response - You can add the coin on the voting page - https://c-cex.com/?id=vote . We will surely consider adding it if it gets enough votes and the community shows enough interest. 2 - We can list a coin or asset for 5 BTC immediately

best one I found at cheapest price is 1.5 btc
https://tradesatoshi.com/addcoin
have to register free account to view
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don't pay to get added, its a scam as they'll remove you later on and you'd have to pay again.