curl -X POST https://api.crazyrouter.com/suno/submit/concat \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "clip_id": "clip_abc123",
    "is_infill": false
  }'

import requests

response = requests.post(
    "https://api.crazyrouter.com/suno/submit/concat",
    headers={
        "Content-Type": "application/json",
        "Authorization": "Bearer YOUR_API_KEY"
    },
    json={
        "clip_id": "clip_abc123",
        "is_infill": False
    }
)

print(response.json())