curl --request POST \
  --url https://open.bigmodel.cn/api/paas/v4/reader \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "url": "https://www.example.com"
}'

{
  "id": "<string>",
  "created": 123,
  "request_id": "<string>",
  "model": "<string>",
  "reader_result": {
    "content": "<string>",
    "description": "<string>",
    "title": "<string>",
    "url": "<string>",
    "external": {
      "stylesheet": {}
    },
    "metadata": {
      "keywords": "<string>",
      "viewport": "<string>",
      "description": "<string>",
      "format-detection": "<string>"
    }
  }
}