As of January 1, 2020 this library no longer supports Python 2 on the latest released version. Library versions released prior to that date will continue to be available. For more information please visit Python 2 support on Google Cloud.

Python Client for Google Cloud Translation

GA pypi versions

With Google Cloud Translation, you can dynamically translate text between thousands of language pairs. The Google Cloud Translation API lets websites and programs integrate with Google Cloud Translation programmatically. Google Cloud Translation is available as a paid service. See the Pricing and FAQ pages for details.

Quick Start

In order to use this library, you first need to go through the following steps:

  1. Select or create a Cloud Platform project.

  2. Enable billing for your project.

  3. Enable the Google Cloud Translate API.

  4. Setup Authentication.


Install this library in a virtualenv using pip. virtualenv is a tool to create isolated Python environments. The basic problem it addresses is one of dependencies and versions, and indirectly permissions.

With virtualenv, it’s possible to install this library without needing system install permissions, and without clashing with the installed system dependencies.

Supported Python Versions

Python >= 3.6

Deprecated Python Versions

Python == 2.7. The last version of this library compatible with Python 2.7 is google-cloud-translate==2.0.1.


pip install virtualenv
virtualenv <your-env>
source <your-env>/bin/activate
<your-env>/bin/pip install google-cloud-translate


pip install virtualenv
virtualenv <your-env>
<your-env>\Scripts\pip.exe install google-cloud-translate


The samples folder contains all of the Cloud Translation API code snippets found in its documentation as well as complete sample apps:


Because this client uses grpc library, it is safe to share instances across threads. In multiprocessing scenarios, the best practice is to create client instances after the invocation of os.fork() by multiprocessing.pool.Pool or multiprocessing.Process.

API Reference

An API and type reference is provided for v3, v3beta1, and v2.

By default, you will get v3. A beta release, spelled v3beta1 is provided for preview of upcoming features. In order to use this, you will want to import from in lieu of The previous release v2 is also available. Import from to use this release.

v3 API Reference

v3beta1 API Reference

v2 API Reference

Migration Guide

See the guide below for instructions on migrating to the 3.x release of this library.


For a list of all google-cloud-translate releases: