Method: projects.locations.detectLanguage

Detects the language of text within a request.

HTTP request

POST https://translation.googleapis.com/v3beta1/{parent=projects/*/locations/*}:detectLanguage

The URL uses gRPC Transcoding syntax.

Path parameters

Parameters
parent

string

Required. Location to make a regional or global call.

Format: projects/{project-id}/locations/{location-id}.

For global calls, use projects/{project-id}/locations/global.

Only models within the same region (has same location-id) can be used. Otherwise an INVALID_ARGUMENT (400) error is returned.

Request body

The request body contains data with the following structure:

JSON representation
{
  "model": string,
  "mimeType": string,
  "content": string
}
Fields
model

string

Optional. The language detection model to be used.

Format: projects/{project-id}/locations/{location-id}/models/language-detection/{model-id}

Only one language detection model is currently supported: projects/{project-id}/locations/{location-id}/models/language-detection/default.

If not specified, the default model is used.

Authorization requires the following Google IAM permission on the specified resource model:

  • cloudtranslate.languageDetectionModels.predict

mimeType

string

Optional. The format of the source text, for example, "text/html", "text/plain". If left blank, the MIME type defaults to "text/html".

content

string

The content of the input stored as a string.

Response body

If successful, the response body contains data with the following structure:

The response message for language detection.

JSON representation
{
  "languages": [
    {
      object (DetectedLanguage)
    }
  ]
}
Fields
languages[]

object (DetectedLanguage)

A list of detected languages sorted by detection confidence in descending order. The most probable language first.

Authorization Scopes

Requires one of the following OAuth scopes:

  • https://www.googleapis.com/auth/cloud-translation
  • https://www.googleapis.com/auth/cloud-platform

For more information, see the Authentication Overview.

DetectedLanguage

The response message for language detection.

JSON representation
{
  "languageCode": string,
  "confidence": number
}
Fields
languageCode

string

The BCP-47 language code of source content in the request, detected automatically.

confidence

number

The confidence of the detection result for this language.

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