# General Translation Platform: 単一ファイルをダウンロード
URL: https://generaltranslation.com/ja/docs/platform/openapi/reference/files/download.mdx
Docs index: https://generaltranslation.com/llms.txt
Description: 単一のソースファイルまたは翻訳済みファイルをダウンロードします。この非推奨エンドポイントは後方互換性のために維持されています。新しいインテグレーションでは POST /v2/project/files/download を使用してください。単一ファイルをダウンロードするための API リファレンス。

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## Endpoint

`GET https://api.gtx.dev/v2/project/files/download/{fileId}`

**Operation ID:** `downloadFile`

**Tags:** `Files`

**Summary:** Download a single file

Download a single source or translated file. This deprecated endpoint is retained for backward compatibility; new integrations should use `POST /v2/project/files/download`.

Authentication: required. Send an API key in the `Authorization: Bearer <key>` header when authenticating.

### Parameters

- `fileId` (path, string, required)
- `branchId` (query, string, optional)
- `versionId` (query, string, optional)
- `locale` (query, string, optional)
- `gt-api-version` (header, "2025-01-01.v0" | "2025-11-03.v1" | "2026-02-18.v1" | "2026-03-06.v1", optional): API contract version. Defaults to the oldest supported version.
- `gt-project-id` (header, string, optional): Target project ID when no project ID is present in the path. Project API keys default to their bound project. If supplied, the header must match both the path target and the key’s bound project.

### Responses

**200**: Downloaded file
Response body (`application/json`, object):
- `data` (string, required)

**400**: Request error
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

**401**: Request error
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

**403**: Request error
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

**404**: Request error
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

**425**: Translation is still processing
Response body (`application/json`, object):
- `status` ("processing", required)
- `message` (string, required)

**429**: Request error
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

**500**: Request error
Response body (`application/json`, object):
- `error` (string, required)

Response body (`text/html`, string):

Complete OpenAPI 3.1 specification: https://generaltranslation.com/openapi.yaml

OpenAPI schema: [openapi.json](https://generaltranslation.com/openapi.json)

## Sitemap

See the full [sitemap](https://generaltranslation.com/sitemap.md) for all pages.