italki Credits (ITC) are a virtual currency that are purchased from italki.com at a rate of US$1 = 10 ITC.
italki Credits are used to pay for foreign language teaching services offered through italki by 3rd party service providers (Paypal, CashU, Alipay or your Credit Card).
In the future, ITCs may also be used to pay for other products and services offered through italki.