Twillio and Particle Webhooks

[ScruffR]

Extended question here

Twillio and Webhooks

I’m trying to pass the TO and FROM phone numbers using the data filed in Particle.publish and webhooks. Below is what I have but I get an error 21602Message body is required. I tried different options but nothing seems to work and I can only get it working by specifcing the TO and FROM using the form as shown here https://www.twilio.com/docs/sms/tutorials/how-to-send-sms-messages-particle-photon sms = String::format("{\"From\": %s, \"To\": %s, \"Body\": \"body\"}",setEmailString.c_str(), se…