const encodedParams = new URLSearchParams();
encodedParams.append('MessageSid', 'string');
encodedParams.append('From', 'string');
encodedParams.append('To', 'string');
encodedParams.append('Body', 'string');
encodedParams.append('NumMedia', 'string');
const url = 'https://api.channelautomation.com/twilio/<workspaceId>';
const options = {
method: 'POST',
headers: {'Content-Type': 'application/x-www-form-urlencoded'},
body: encodedParams
};
fetch(url, options)
.then(res => res.json())
.then(json => console.log(json))
.catch(err => console.error(err));