Our API directory now includes 73 voice APIs. The newest is the Ivona API. The most popular, in terms of mashups, is the Twilio API. We list 340 Twilio mashups. Below you'll find some more stats from the directory, including the entire list of voice APIs.
This article is part of a multi-part series about interesting APIs that were added to our directory during 2017. Health, IoT, and Environment APIs are covered in this segment. The APIs were chosen by our researchers, by popularity according to website traffic, and by mentions on social media.