custom nodejs alexa skill with 3rd party API connection to calculate USD/EUR to TRY on amazon alexa devices. runs on amazon lambda with nodejs 6.10 this is not using alexa-sdk. I recommend to continue with alexa-sdk version.
This skill have only feature that connects another API and gets and uses the data on it.
Visit wiki and learn more about Alexa Skill Development and read detailed section for this sample skill; Alexa-Skills-Kit-(ASK)-Development-Tutorial#step-1-simple-exchange-calculator-skill-with-nodejs
eercan @Accenture Istanbul