Demo Mode (slow updates, not fully accessible):  This site is willing to provide full explorer and coin node service for a monthly fee dependent on blockchain size and number of transactions.
Payable in major cryptocurrencies such as BTC, LTC, and DOGE.
Mon, 27 Dec 2021 18:38:45 GMT
https://global.bittrex.com/Market/Index?MarketName=USD-BTC

https://crex24.com/exchange/BTC-USDT

https://poloniex.com/exchange/USDT_BTC

https://app.stex.com/en/basic-trade/pair/USDT/BTC

 HighLowVolume
Bittrex
52112.4260000049964.42700000133.74410048+2.938 %
Crex24
51899.0000000049957.000000000.30908195+3.130 %
Poloniex
52080.9300000049938.77551020238.70987291+2.899 %
Stex
51999.9989999948036.000001000.58981811+3.8921 %