curl --request POST \
  --url https://api.finseo.ai/v1/projects/PROJECT_ID/attribution/bulk \
  --header 'Authorization: Bearer sk_live_xxxxxxxx' \
  --header 'Content-Type: application/json' \
  --data '{
    "responses": [
      {
        "channelId": "ai_search",
        "respondentEmail": "jane@company.com",
        "dealValue": 12000
      },
      {
        "channelId": "google_search",
        "respondentEmail": "john@corp.com",
        "dealValue": 8500
      },
      {
        "channelId": "social_media",
        "respondentEmail": "alex@startup.io"
      }
    ]
  }'