curl --request GET \
  --url 'https://api.keyapi.ai/v1/reddit/check_subreddit_muted?subreddit_id=t5_2qh0u&need_format=false' \
  --header 'Authorization: Bearer <YOUR_API_KEY>'

{
  "code": 0,
  "message": "success",
  "data": {
    "subredditInfoById": {
      "__typename": "Subreddit",
      "isMuted": false
    }
  },
  "requestId": "a56c877e-a4d1-45a9-9131-2f0c0388940c"
}