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Google Cloud Translation API: Node.js Client

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The Cloud Translation API, can dynamically translate text between thousands of language pairs. The Cloud Translation API lets websites and programs integrate with the translation service programmatically. The Cloud Translation API is part of the larger Cloud Machine Learning API family.

Using the client library

  1. Select or create a Cloud Platform project.

  2. Enable billing for your project.

  3. Enable the Cloud Translation API.

  4. Set up authentication with a service account so you can access the API from your local workstation.

  5. Install the client library:

     npm install --save @google-cloud/translate
  6. Try an example:

// Imports the GCP client library
const {Translate} = require('@google-cloud/translate');

// Your GCP project ID
const projectId = 'YOUR_PROJECT_ID';

// Instantiates a client
const translate = new Translate({
  projectId: projectId,

// The text to translate
const text = 'Hello, world!';
// The target language
const target = 'ru';

// Translates some text into Russian
  .translate(text, target)
  .then(results => {
    const translation = results[0];

    console.log(`Text: ${text}`);
    console.log(`Translation: ${translation}`);
  .catch(err => {
    console.error('ERROR:', err);


Samples are in the samples/ directory. The samples' has instructions for running the samples.

Sample Source Code Try it
Translate source code Open in Cloud Shell

The Cloud Translation API Node.js Client API Reference documentation also contains samples.


This library follows Semantic Versioning.

This status of this library is: General availability.


Contributions welcome! See the Contributing Guide.


Apache Version 2.0


What's Next

Read more about the client libraries for Cloud APIs, including the older Google APIs Client Libraries, in Client Libraries Explained.