Samsung is preparing to launch an API and SDK for Bixby, its new voice assistant that is integrated into its new Galaxy Home smart speaker. The Bixby API will allow the tech to be integrated into other apps, while the SDK will give developers the ability to make apps with Bixby.
Amazon has made its Music Skill API generally available in the Alexa Skills Kit. This API is meant for music service providers, such as Spotify or Pandora, and allows them to add their music service to Alexa-powered devices. Once connected, subscribers will be able to ask for their tunes by voice.
The Web of Things working group, part of the W3C, has gathered many big players in the IoT space to standardize on semantic interoperability based on Linked Data and APIs. The goal is to describe things in a way that developers don't have to know the details or underlying communication patterns.