Synchronous document translation

Reference
Feature: Azure AI Translator → Document Translation
API Version: 2024-05-01
HTTP method: POST

• Use the translate document method to synchronously translate a single document.
• The method doesn't require an Azure Blob storage account.
• The final response contains the translated document and is returned directly to the calling client.

Important

All API requests to the Document Translation feature require a custom domain endpoint that is located on your resource overview page in the Azure portal.

Request URL

curl -i -X POST "{your-document-translation-endpoint}/translator/document:translate?sourceLanguage=en&targetLanguage=hi&api-version={date}" -H "Ocp-Apim-Subscription-Key:{your-key}"  -F "document={path-to-your-document-with-file-extension};type={ContentType}/{file-extension}" -F "glossary={path-to-your-glossary-with-file-extension};type={ContentType}/{file-extension}" -o "{path-to-output-file}"

Request headers

To call the synchronous translation feature via the REST API, include the following headers with each request.

Header	Value	Condition
Ocp-Apim-Subscription-Key	Your Translator service key from the Azure portal.	• Required

Request parameters

Query string parameters:

Required parameters

Query parameter	Description
api-version	Required parameter. Version of the API requested by the client. Current value is 2023-11-01-preview.
targetLanguage	Required parameter. Specifies the language of the output document. The target language must be one of the supported languages included in the translation scope.
• document= • type=	Required parameters. • Path to the file location for your source document and file format type. • Ex: "document=@C:\Test\Test-file.txt;type=text/html
--output	Required parameter. • File path for the target file location. Your translated file is printed to the output file. • Ex: "C:\Test\Test-file-output.txt". The file extension should be the same as the source file.

Optional parameters

Query parameter	Description
sourceLanguage	Specifies the language of the input document. If the sourceLanguage parameter isn't specified, automatic language detection is applied to determine the source language.
• glossary= • type=	• Path to the file location for your custom glossary and file format type. • Ex:"glossary=@D:\Test\SDT\test-simple-glossary.csv;type=text/csv
allowFallback	• A boolean specifying that the service is allowed to fall back to a generalnn system when a custom system doesn't exist. Possible values are: true (default) or false. • allowFallback=false specifies that the translation should only use systems trained for the category specified by the request. • If no system is found with the specific category, the request returns a 400 status code. • allowFallback=true specifies that the service is allowed to fall back to a generalnn system when a custom system doesn't exist.

Request Body

Name	Description	Content Type	Condition
document	Source document to be translated.	Any one of the supported document formats.	Required
glossary	Document containing a list of terms with definitions to use during the translation process.	Any one of the supported glossary formats.	Optional

Next steps

Try the document translation quickstart