Does it cost anything additional to SMS-enable my Twilio number?
No, Twilio SMS is a pay-as-you-go feature just like voice minutes. You are only billed for SMS messages that you send or receive with your Twilio numbers.
No, Twilio SMS is a pay-as-you-go feature just like voice minutes. You are only billed for SMS messages that you send or receive with your Twilio numbers.