Buy Bitcoins by Debit card/ Credit card, Bank transfers on Cex.io or Coinmama.com CEX.IO offers cross-platform trading via website, mobile app, Web Socket and REST API, providing access to high liquidity order book for top currency pairs on the market. Instant Bitcoin buying and selling is available via simplified bundle interface. Coinmama is another great alternative to buy bitcoins online. Its Simple, Register yourself or use existing login credentials of Google or Facebook to Sign In, Select your Currency and Amount , use your Visa/ Master card or transfer via Bank. That’s It! Now you have the Bitcoins to Turbo Charge Yourself ;)