A command-line app to convert between two currencies with a simple syntax.

npm install -g @bluepostit/kraken

• Kraken uses Currency Converter API as its data source.
• Sign up here for a free key, providing an email address you have access to.
• You should receive an actvation email. Click the link in the email to activate your key.
• Add the following to your .bashrc, .zshrc or similar:

export KRAKEN_CONVERTER_API_KEY=<REPLACE WITH YOUR KEY>

• Restart your terminal

    Usage
      $ kraken <from> <amount> <to>

    Arguments
      <from>    The currency to convert from, eg. 'usd', 'EUR'
      <amount>  The monetary amount to convert, eg. 200, 1.24
      <to>      The currency to convert to, eg. 'USD', 'eur'

$ kraken eur 10 usd

    10 EUR => 11.31 USD

$ kraken nok 156.28 cad

    156.28 NOK => 22.67 CAD

• Currency Converter API's free API service, which Kraken uses, is updated once per hour, according to their website. This means that the data that Kraken provides does not reflect live market rates.
• Currency Converter API's free API service is restricted to 100 API calls per hour. If you use Kraken more than 100 times per hour, you risk having your API key banned by Currency Converter.