curl --request GET \
  --url https://api.coldsend.pro/api/public/v1/sender-accounts \
  --header 'X-API-Key: <api-key>'

{
  "sender_accounts": [
    {
      "inbox_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "email_address": "<string>",
      "display_name": "<string>",
      "inbox_type": "<string>",
      "overall_status": "<string>",
      "daily_limit": 123,
      "emails_sent_today": 123,
      "health_score": 123,
      "created_at": "<string>"
    }
  ],
  "pagination": {
    "page": 123,
    "limit": 123,
    "total": 123,
    "pages": 123,
    "has_next": true,
    "has_prev": true
  },
  "success": true,
  "message": "Sender accounts retrieved successfully"
}