Speechify API

The Speechify API is an API that helps websites and apps add an audio "play button" to all of their content. Speechify partners include websites like Medium.com and StarTribune.com. The API increases time-on-site, accessibility SEO, and user engagement to help increase revenue. The Speechify API includes text-to-speech, text highlighting, multiple human-like voices, a sliding scale to adjust speed, and an iOS SDK.