---
title: 擷取檔案 | RunAPI
description: 按 ID 擷取有效檔案的元數據。
url: https://runapi.ai/zh-HK/docs/api/protocol/files/retrieve.md
canonical: https://runapi.ai/zh-HK/docs/api/protocol/files/retrieve
locale: zh-HK
---

> HTML 版本: https://runapi.ai/zh-HK/docs/api/protocol/files/retrieve
> 智能代理網站索引: https://runapi.ai/llms.txt

# 擷取檔案

按 ID 擷取有效檔案的元數據。

## 端點

GET /v1/files/:file_id

基礎 URL: https://runapi.ai

API 版本: v1

身份驗證: Authorization: Bearer YOUR_API_KEY

## 請求

僅在列出的請求位置傳送值。

### 路徑參數

```json
{
  "file_id": {
    "description": "RunAPI 檔案 ID。",
    "required": true,
    "type": "string"
  }
}
```

## 成功回應

HTTP 200 - GET /v1/files/:file_id

```json
{
  "bytes": 1048576,
  "created_at": 1785196800,
  "filename": "knowledge.pdf",
  "id": "file_abc123",
  "object": "file",
  "purpose": "user_data"
}
```

## 錯誤回應（401）

HTTP 401

### 回應結構

```json
{
  "additionalProperties": true,
  "properties": {
    "error": {
      "additionalProperties": true,
      "properties": {
        "code": {
          "type": [
            "string",
            "null"
          ]
        },
        "message": {
          "type": "string"
        },
        "param": {
          "type": [
            "string",
            "null"
          ]
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "message",
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "error"
  ],
  "type": "object"
}
```

### 回應範例

```json
{
  "error": {
    "code": "authentication_error",
    "message": "Missing API key",
    "param": null,
    "type": "authentication_error"
  }
}
```

## 錯誤回應（400）

HTTP 400

### 回應結構

```json
{
  "additionalProperties": true,
  "properties": {
    "error": {
      "additionalProperties": true,
      "properties": {
        "code": {
          "type": [
            "string",
            "null"
          ]
        },
        "message": {
          "type": "string"
        },
        "param": {
          "type": [
            "string",
            "null"
          ]
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "message",
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "error"
  ],
  "type": "object"
}
```

### 回應範例

```json
{
  "error": {
    "code": "invalid_request_error",
    "message": "Malformed request",
    "param": null,
    "type": "invalid_request_error"
  }
}
```

## 錯誤回應（404）

HTTP 404

### 回應結構

```json
{
  "additionalProperties": true,
  "properties": {
    "error": {
      "additionalProperties": true,
      "properties": {
        "code": {
          "type": [
            "string",
            "null"
          ]
        },
        "message": {
          "type": "string"
        },
        "param": {
          "type": [
            "string",
            "null"
          ]
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "message",
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "error"
  ],
  "type": "object"
}
```

### 回應範例

```json
{
  "error": {
    "code": "not_found",
    "message": "File not found",
    "param": null,
    "type": "invalid_request_error"
  }
}
```

## 錯誤回應（409）

HTTP 409

### 回應結構

```json
{
  "additionalProperties": true,
  "properties": {
    "error": {
      "additionalProperties": true,
      "properties": {
        "code": {
          "type": [
            "string",
            "null"
          ]
        },
        "message": {
          "type": "string"
        },
        "param": {
          "type": [
            "string",
            "null"
          ]
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "message",
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "error"
  ],
  "type": "object"
}
```

### 回應範例

```json
{
  "error": {
    "code": "upload_state_conflict",
    "message": "Upload state conflict",
    "param": null,
    "type": "invalid_request_error"
  }
}
```

## 錯誤回應（413）

HTTP 413

### 回應結構

```json
{
  "additionalProperties": true,
  "properties": {
    "error": {
      "additionalProperties": true,
      "properties": {
        "code": {
          "type": [
            "string",
            "null"
          ]
        },
        "message": {
          "type": "string"
        },
        "param": {
          "type": [
            "string",
            "null"
          ]
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "message",
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "error"
  ],
  "type": "object"
}
```

### 回應範例

```json
{
  "error": {
    "code": "file_too_large",
    "message": "File size exceeds the maximum allowed size",
    "param": "file",
    "type": "invalid_request_error"
  }
}
```

## 錯誤回應（422）

HTTP 422

### 回應結構

```json
{
  "additionalProperties": true,
  "properties": {
    "error": {
      "additionalProperties": true,
      "properties": {
        "code": {
          "type": [
            "string",
            "null"
          ]
        },
        "message": {
          "type": "string"
        },
        "param": {
          "type": [
            "string",
            "null"
          ]
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "message",
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "error"
  ],
  "type": "object"
}
```

### 回應範例

```json
{
  "error": {
    "code": "invalid_upload",
    "message": "Upload request rejected",
    "param": null,
    "type": "invalid_request_error"
  }
}
```

## 錯誤回應（502）

HTTP 502

### 回應結構

```json
{
  "additionalProperties": true,
  "properties": {
    "error": {
      "additionalProperties": true,
      "properties": {
        "code": {
          "type": [
            "string",
            "null"
          ]
        },
        "message": {
          "type": "string"
        },
        "param": {
          "type": [
            "string",
            "null"
          ]
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "message",
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "error"
  ],
  "type": "object"
}
```

### 回應範例

```json
{
  "error": {
    "code": "storage_write_failed",
    "message": "File storage failed",
    "param": null,
    "type": "server_error"
  }
}
```

## cURL 範例



### curl

```curl
curl -X GET https://runapi.ai/v1/files/file_abc123 \
  -H 'Authorization: Bearer YOUR_API_KEY'
```

## 相關參考資料

- [持久檔案](https://runapi.ai/zh-HK/docs/api/protocol/files.md)
- [檔案物件](https://runapi.ai/zh-HK/docs/api/protocol/files/object.md)

---

## RunAPI 的更多內容

- [首頁](https://runapi.ai/zh-HK/.md)
- [模型目錄](https://runapi.ai/zh-HK/models.md)
- [收費](https://runapi.ai/zh-HK/pricing.md)
- [服務商](https://runapi.ai/zh-HK/models)
- [文件](https://runapi.ai/zh-HK/docs/guides)
- [SDK](https://runapi.ai/zh-HK/sdk.md)
- [CLI](https://runapi.ai/zh-HK/cli.md)
- [MCP Server](https://runapi.ai/zh-HK/mcp.md)
- [Claude Code 與 Cursor](https://runapi.ai/zh-HK/claude-code-vs-cursor.md)
- [Cursor API 設定](https://runapi.ai/zh-HK/cursor-api-setup.md)
- [RunAPI 與 OpenRouter](https://runapi.ai/zh-HK/openrouter-alternative.md)
- [企業版](https://runapi.ai/zh-HK/contact.md)
- [聯絡](https://runapi.ai/zh-HK/contact.md)
- [條款](https://runapi.ai/zh-HK/terms.md)
- [私隱](https://runapi.ai/zh-HK/privacy.md)
- [智能代理網站索引](https://runapi.ai/llms.txt)

聯絡我們: contact@runapi.ai

## 結構化資料

```json
[
  {
    "@context": "https://schema.org",
    "inLanguage": "zh-HK",
    "@type": "WebSite",
    "name": "RunAPI",
    "url": "https://runapi.ai/zh-HK",
    "potentialAction": {
      "@type": "SearchAction",
      "target": {
        "@type": "EntryPoint",
        "urlTemplate": "https://runapi.ai/zh-HK/models?q={search_term_string}"
      },
      "query-input": "required name=search_term_string"
    }
  },
  {
    "@context": "https://schema.org",
    "inLanguage": "zh-HK",
    "@type": "Organization",
    "name": "RunAPI",
    "url": "https://runapi.ai/zh-HK",
    "logo": {
      "@type": "ImageObject",
      "url": "https://runapi.ai/zh-HKicon.svg"
    },
    "sameAs": [
      "https://github.com/runapi-ai"
    ]
  },
  {
    "@context": "https://schema.org",
    "inLanguage": "zh-HK",
    "@type": "TechArticle",
    "headline": "擷取檔案",
    "description": "按 ID 擷取有效檔案的元數據。",
    "url": "https://runapi.ai/zh-HK/docs/api/protocol/files/retrieve",
    "mainEntityOfPage": "https://runapi.ai/zh-HK/docs/api/protocol/files/retrieve"
  }
]
```