As suggested in another board, this is a crosspost to show you the website I have been working on.
As the title says, it's a website that takes the top 400 assets on coinmarketcap, and does a request to twitter to measure the volume of tweets every 15 minutes. It is located at
https://cointwitterscanner.azurewebsites.net, if you want to take a look. All feedback is welcome
I remember that there were some free Twitter services that were tracking limited amount of keywords in tweets for free,but you could upgrade your account and track unlimited keywords in tweets.
I don`t know how your service can be helpfull for cryptocurrency trading ,but i might use it.