Create Campaign

curl --request POST \
  --url https://api.puretalk.ai/api/campaigns \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '{
  "name": "<string>",
  "start_date": "<string>",
  "end_date": "<string>",
  "ai_assistant_id": "<string>",
  "type": "<string>",
  "leads": [
    {
      "to_number": "<string>",
      "variables": [
        {
          "var_name": "<string>",
          "var_value": "<string>"
        }
      ]
    }
  ]
}'

{
  "msg": "<string>",
  "err": true,
  "results": {
    "campaign_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}