curl --request POST \
  --url https://api.starleads.co/Campaign \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <api-key>' \
  --data '
{
  "name": "My prospecting campaign",
  "agentId": "agent-123-abc",
  "phoneNumber": "+33123456789",
  "maxRetries": 3,
  "delayBetweenRetries": 2,
  "webhookUrl": "https://example.com/webhook",
  "timezone": "Europe/Paris",
  "schedule": [
    {
      "day": "Monday",
      "timeRanges": [
        {
          "startTime": "09:00:00",
          "endTime": "12:00:00"
        },
        {
          "startTime": "14:00:00",
          "endTime": "17:00:00"
        }
      ]
    }
  ]
}
'

{
  "id": "<string>",
  "name": "<string>",
  "agentId": "<string>",
  "phoneNumber": "<string>",
  "maxRetries": 123,
  "delayBetweenRetries": 123,
  "webhookUrl": "<string>",
  "country": "<string>",
  "timezone": "<string>",
  "schedule": [
    {
      "day": "Sunday",
      "timeRanges": [
        {
          "startTime": "09:00:00",
          "endTime": "12:00:00"
        }
      ]
    }
  ],
  "isActive": true
}