POST /ai/collab/application/insert HTTP/1.1
Host: api.glowb.com
Content-Type: application/json

{
  "collab_no": 123,
  "user_id": "user123",
  "message": "신청 메시지"
}

curl -X POST "https://api.glowb.com/ai/collab/application/insert" \
  -H "Content-Type: application/json" \
  -d '{
    "collab_no": 123,
    "user_id": "user123",
    "message": "신청 메시지"
  }'

const response = await fetch('/ai/collab/application/insert', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    collab_no: 123,
    user_id: 'user123',
    message: '신청 메시지'
  })
});
const result = await response.json();