Hi @qateam
I just tried to use the Twilio send SMS activity and received an error message. It seems that the activity may be out of date based on a quick Google Search. I have created a Twilio account with SID/Token etc and all values passed in are string values but I am getting the following error
Here is what I believe is the solution online
https://github.com/restsharp/RestSharp/issues/595twilio
Richard