I think it is necessary to send requests

Poloniex: https://poloniex.com
Bittrex: https://bittrex.com/Market
OpenLedger: https://www.openledger.info/
Cryptomic: https://www.cryptomic.com/trade
Bloombit: https://bloombit.net/trade
ChameleonBit: http://chameleonbit.trade/
ShapeShift: https://shapeshift.io/
Changer: https://changer.com/
Changelly: https://changelly.com/
CoinPayments: https://www.coinpayments.net/supported-coins
C-Cex: https://c-cex.com/?id=vote

Soon  RAWX:   https://rawx.io/#/markets

please vote for BLRY https://www.livecoin.net/voting/index?vote=BillaryCoin