Perplexity on Tuesday launched an API service called Sonar, allowing enterprises and developers to build the startup’s generative AI search tools into their own applications. “While most generative AI features today have answers informed only by training data, this limits their capabilities,” Perplexity wrote in a blog post. “To optimize for factuality and authority, APIs require a real-time connection to the Internet, with answers informed by trusted sources.” To start, Perplexity is offering t...