curl --request GET \
  --url https://api.coldsend.pro/api/public/v1/replies/threads/{thread_id} \
  --header 'X-API-Key: <api-key>'

{
  "thread_id": "<string>",
  "lead_id": "<string>",
  "lead_email": "<string>",
  "lead_name": "<string>",
  "campaign_name": "<string>",
  "from_address": "<string>",
  "to_address": "<string>",
  "subject": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "is_read": true,
  "is_starred": true,
  "reply_count": 123,
  "inbox_id": "<string>",
  "campaign_id": "<string>",
  "inbox_email": "<string>",
  "category": "<string>",
  "ai_category": "<string>",
  "ai_confidence": 123,
  "manual_category": "<string>",
  "tags": [],
  "is_archived": false,
  "archived_domain_name": "<string>",
  "archived_inbox_email": "<string>",
  "archived_at": "2023-11-07T05:31:56Z"
}