curl -X POST "https://server.smartlead.ai/api/v1/campaigns/create-subsequence?api_key=YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "parent_campaign_id": 123,
    "subsequence_name": "Follow-up Sequence",
    "condition_events": []
  }'

import requests

response = requests.post(
    "https://server.smartlead.ai/api/v1/campaigns/create-subsequence",
    params={"api_key": "YOUR_API_KEY"},
    json={
        "parent_campaign_id": 123,
        "subsequence_name": "Follow-up Sequence",
        "condition_events": []
    }
)

{
  "success": true,
  "subsequence_id": 456
}