According to TechCrunch, buying TokBox added new services that Telefonica could offer developers through its BlueVia Application Programming Interface (API) platform: these already included voice, messaging and billing APIs when the TokBox deal closed.
Although NHN Japan's self-developed apps alone will be released at first, NHN Japan has made it clear that it plans to increase the availability of apps developed by external business partners by opening its API and offering developers access to LINE's functions including friends lists, messaging and payment.