curl --request GET \
  --url https://psn-api.paystub.dev/post-categories/{slug}

{
  "success": true,
  "data": {
    "id": 123,
    "site_id": 123,
    "type": "<string>",
    "country": "<string>",
    "name": "<string>",
    "slug": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "message": "<string>"
}