twilio/twilio-ruby — comment on commit ba12890f5c1efebe7d97746138c701a4b74c835f
File:  line 0
By kevinburke:

We decided to ship the Twilio public cert with the twilio-php library - you are only ever making requests to one domain from the library. Might want to consider the same approach here if the user hasn't specified a cert file.