Telephony and voice APIs are one of the most active segments of the API and mashup world. For example, in the past week, two of the latest mashups in our directory use telephony APIs in innovative ways (the directory has 42 telephony-related APIs):
Telephony platform Twilio is now giving developers more insight into their application activities. Now users of the Twilio Voice API and Twilio SMS API have the option to view usage patterns, thanks to a partnership with GoodData. The dashboard shows the last 90 days of call and text volumes, with the option to explore the data further.
Voxbone API offers real-time delivery of mobile and toll-free numbers from over 50 countries. Google makes the cost of cloud storage nearly free. Plus: the Australian Bureau of Labor Stats stealth API, and Acquia scales API calls for a major train operator.