Objective-C integration
curl \ -u "$API_USER:$API_PASS" \ https://serverless.twilio.com/v1/Services
curl \
-u "$API_USER:$API_PASS" \
https://serverless.twilio.com/v1/Services/{Sid}curl \
-u "$API_USER:$API_PASS" \
https://serverless.twilio.com/v1/Services/{ServiceSid}/Assets