Toneapi enables analysts, brands and marketers to understand and optimize the tone of content based on emotion, sentiment and activation. Test before you invest in advertising, email newsletters or press releases. Compare industry leaders, gain intelligence on your competitors and gather nuggets of information that allow you to win business pitches. Toneapi includes 24 emotions, 3 activation levels and positive/negative sentiment. Compare content side-by-side, download data and ask about our API.