curl -X POST "https://api.usegately.com/api/v1/analytics/track" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"event": "button_click",
"properties": {
"button_id": "signup-cta",
"page": "/pricing"
},
"user_id": "user_123"
}'