I've had a similar problem to find proper data for cryptocurrencies while I was writing my trading tool. It was quite some work to set up a proper infrastructur

I've had a similar problem to find proper data for cryptocurrencies while I was writing my trading tool. It was quite some work to set up a proper infrastructure to get the data. Though eventually I turned that into a full service. You can check it out on https://coinograph.io https://coinograph.io