curl --request POST \
  --url https://api.textin.com/ai/service/v3/entity_extraction \
  --header 'Content-Type: application/json' \
  --header 'x-ti-app-id: <api-key>' \
  --header 'x-ti-secret-code: <api-key>' \
  --data '
{
  "file": {
    "file_base64": "/9j/4AAQSk...",
    "file_url": "https://example.com/document.pdf",
    "file_name": "document.pdf"
  },
  "schema": {
    "type": "object",
    "properties": {
      "商品": {
        "type": "string",
        "description": "商品名称"
      }
    },
    "required": [
      "商品"
    ]
  },
  "parse_options": {
    "page_start": 1,
    "page_count": 10,
    "get_image": "objects",
    "crop_dewarp": 0,
    "remove_watermark": 0,
    "parse_mode": "scan",
    "formula_level": 0,
    "table_flavor": "html",
    "pdf_pwd": "<string>"
  },
  "extract_options": {
    "generate_citations": true,
    "stamp": true
  }
}
'

{
  "code": 200,
  "message": "Success",
  "version": "v3.0.29_20250819",
  "duration": 8267,
  "x_request_id": "7596b8c9d2ddbc9924b66651e9efc174",
  "status": "finished",
  "result": {
    "success_count": 1,
    "extracted_schema": {
      "商品": "童装 Looney Tunes UT（短袖T恤）女装SUPIMA COTTON圆领T恤（短袖）"
    },
    "citations": {
      "商品": {
        "value": "童装 Looney Tunes UT（短袖T恤）女装SUPIMA COTTON圆领T恤（短袖）",
        "bounding_regions": [
          {
            "page_number": 1,
            "position": [
              137,
              599,
              1129,
              599,
              1129,
              625,
              182,
              625
            ],
            "text": "童装 Looney Tunes UT（短袖T恤）女装SUPIMA COTTON圆领T恤（短袖）"
          }
        ]
      }
    },
    "pages": [
      {
        "page_number": 1,
        "status": "Success",
        "durations": 930.178466796875,
        "image_id": "62bfe3c3a8e9c9cf.jpg",
        "height": 1824,
        "width": 600,
        "angle": 0
      }
    ],
    "stamps": [
      {
        "color": "红色",
        "position": [
          1223,
          995,
          1642,
          1007,
          1630,
          1689,
          1621,
          1677
        ],
        "stamp_shape": "圆章",
        "type": "公章",
        "value": "电力公司专用章"
      }
    ]
  },
  "part_durations": {
    "parse_duration": 1080,
    "retrieve_duration": 0,
    "prompt_duration": 1,
    "llm_duration": 7114,
    "format_duration": 51
  }
}