The Twilio PHP Helper Library allows developers to issue requests to the Twilio API from PHP code. This library can be installed via PEAR, ZIP file, or Composer. Quickstart tutorials are available to help developers get going.
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):
This week at the Twilio Conference, the five finalists of the latest round of the Twilio Fund will be pitching their startups to compete for investment from the micro-fund. The fund is meant to encourage usage of the Twilio API as a platform and was created through a Twilio and 500 Startups partnership.