Each Agent has an API Key which you generated under the API Skill when editing the Agent,
Pass the API Key via the header as Agent-Secret-Key
Example: Conversations Start
curl -X POST https://api.raia2.com/external/conversations/start \
-H "Content-Type: application/json" \
-H "Agent-Secret-Key: XXXXXXXXXX" \
-d '{
"firstName": "Greg",
"lastName": "Giglio",
"channel": "sms",
"context": "You are talking with mortgage lead Greg Giglio. Their email is XXXXXXXX Their phone is XXXXXXX. They previously spoke with Andrew S. Russell at RCG Mortgage. You are reconnecting with this opportunity to see if they are in the market for a mortgage.",
"source": "CRM",
"fkId": "12345",
"fkUserId": "123456789",
"email": "demo@demo.com",
"phoneNumber": "+14567890101",
"smsIntroduction": "Hi, Greg. It's Mindy"
}'