The Beyond Verbal Emotions Analytics API programmatically understands and analyzes emotions for the developer's voice-powered device, system, or app. This service can determine a recorded voice's valence, arousal, temper, and mood group. Valence indicates overall positivity or negativity. Arousal measures the speaker's level of alertness or stimulation. Temper is a metric that covers the speaker's entire mood range, from depressed to friendly to aggressive. Mood groups indicate the speaker's emotional state and include anger, loneliness, happiness, and excitement, among others.