# General Translation Platform: ランタイムでコンテンツを翻訳
URL: https://generaltranslation.com/ja/docs/platform/openapi/reference/translation/translate-runtime.mdx
Docs index: https://generaltranslation.com/llms.txt
Description: 文字列、構造化コンテンツ、または Markdown および MDX ドキュメントを翻訳します。ドキュメントは、fileFormat を MD または MDX に設定した文字列として送信します。project:translations:generate が必要です。既存の開発用 API キーも使用できます。ランタイムでコンテンツを翻訳の API リファレンス。

{/* このファイルは Fumadocs によって生成されました。このファイルを直接編集しないでください。変更する場合は、生成コマンドを再実行してください。 */}

## Endpoint

`POST https://api.gtx.dev/v2/translate`

**Operation ID:** `translate`

**Tags:** `Translation`

**Summary:** Translate content at runtime

Translate strings, structured content, or Markdown and MDX documents. Send documents as strings with `fileFormat` set to `MD` or `MDX`. Requires `project:translations:generate`. Existing development API keys are also accepted.

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

### Parameters

- `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.

### Request body (required)

Body (`application/json`, object):
- `requests` (object, required)
  - `<key>` (object, dynamic key)
    - `source` (object)
    - `metadata` (object) Default: `{"dataFormat":"STRING","actionType":"fast"}`.
      - `id` (string)
      - `hash` (string)
      - `context` (string)
      - `maxChars` (number)
      - `dataFormat` ("JSX" | "ICU" | "I18NEXT" | "STRING")
      - `fileFormat` ("MD" | "MDX")
      - `actionType` ("fast" | "standard") Default: `"fast"`.
      - `sourceCode` (object)
        - `<key>` (object[], dynamic key)
- `targetLocale` (string, required)
- `sourceLocale` (string, required)
- `metadata` (object, required)
  - `modelProvider` ("ANTHROPIC" | "OPENAI" | "XAI" | "GOOGLE" | "HYPERCLOVA")

### Responses

**200**: All translations were served from cache
Response body (`application/json`, object):
- `<key>` (object | object, dynamic key)

**201**: Translations completed
Response body (`application/json`, object):
- `<key>` (object | object, dynamic key)

**400**: The request is malformed or failed validation.
Response body (`application/json`, object):
- `error` (string, required)

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

**401**: Authentication is missing or invalid.
Response body (`application/json`, object):
- `error` (string, required)

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

**402**: The organization's billing account is blocked, or its plan usage limit, monthly spend limit, or credit balance does not cover this request.
Response body (`application/json`, object):
- `error` (string, required)

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

**403**: The caller is authenticated but not allowed to perform this operation or access the requested resource.
Response body (`application/json`, object):
- `error` (string, required)

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

**404**: The requested resource was not found.
Response body (`application/json`, object):
- `error` (string, required)

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

**413**: The request, or the data it would return, exceeds a size or item limit.
Response body (`application/json`, object):
- `error` (string, required)

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

**415**: The request body's Content-Type is missing or not supported. Send the body as application/json.
Response body (`application/json`, object):
- `error` (string, required)

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

**429**: Too many requests. The rate limit was exceeded.
Response body (`application/json`, object):
- `error` (string, required)

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

**500**: An unexpected server error occurred.
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.