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An idiomatic C++ client library for the Cloud Translation API, a service to integrate text translation into your website or application.
While this library is GA, please note Google Cloud C++ client libraries do not follow Semantic Versioning.
QuickstartThe following shows the code that you'll run in the google/cloud/translate/quickstart/ directory, which should give you a taste of the Cloud Translation API C++ client library API.
#include "google/cloud/translate/v3/translation_client.h"
#include "google/cloud/project.h"
#include <iostream>
auto constexpr kText = R"""(
Four score and seven years ago our fathers brought forth on this
continent, a new nation, conceived in Liberty, and dedicated to
the proposition that all men are created equal.)""";
int main(int argc, char* argv[]) try {
if (argc < 2 || argc > 3) {
std::cerr << "Usage: " << argv[0] << " project-id "
<< "[target-language (default: es-419)]\n";
return 1;
}
namespace translate = ::google::cloud::translate_v3;
auto client = translate::TranslationServiceClient(
translate::MakeTranslationServiceConnection());
auto const project = google::cloud::Project(argv[1]);
auto const target = std::string{argc >= 3 ? argv[2] : "es-419"};
auto response =
client.TranslateText(project.FullName(), target, {std::string{kText}});
if (!response) throw std::move(response).status();
for (auto const& translation : response->translations()) {
std::cout << translation.translated_text() << "\n";
}
return 0;
} catch (google::cloud::Status const& status) {
std::cerr << "google::cloud::Status thrown: " << status << "\n";
return 1;
}
The main class in this library is translate_v3::TranslationServiceClient. All RPCs are exposed as member functions of this class. Other classes provide helpers, configuration parameters, and infrastructure to mock translate_v3::TranslationServiceClient when testing your application.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-14 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["The latest release candidate version for the Cloud Translation API C++ client library is 2.37.0-rc, with multiple stable versions available, including 2.36.0, 2.35.0, all the way down to 2.11.0."],["This library allows you to integrate text translation into your website or application and is generally available, but note that it does not follow semantic versioning."],["The `translate_v3::TranslationServiceClient` class is the main component of the library, exposing all Remote Procedure Calls (RPCs) as member functions."],["The library provides guidelines on error handling, overriding default endpoints and authentication credentials, as well as customizing retry, backoff, and idempotency policies, alongside options to configure behavior through environment variables."]]],[]]
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