An idiomatic C++ client library for theAPI Keys API, a service to manage the API keys associated with developer projects.
While this library isGA, please note Google Cloud C++ client libraries donotfollowSemantic Versioning.
Quickstart
The following shows the code that you'll run in thegoogle/cloud/apikeys/quickstart/directory, which should give you a taste of the API Keys API C++ client library API.
#include "google/cloud/apikeys/v2/api_keys_client.h"
#include "google/cloud/location.h"
#include <iostream>
int main(int argc, char* argv[]) try {
if (argc != 2) {
std::cerr << "Usage: " << argv[0] << " project-id\n";
return 1;
}
auto const location = google::cloud::Location(argv[1], "global");
namespace apikeys = ::google::cloud::apikeys_v2;
auto client = apikeys::ApiKeysClient(apikeys::MakeApiKeysConnection());
for (auto k : client.ListKeys(location.FullName())) {
if (!k) throw std::move(k).status();
std::cout << k->DebugString() << "\n";
}
return 0;
} catch (google::cloud::Status const& status) {
std::cerr << "google::cloud::Status thrown: " << status << "\n";
return 1;
}
Main classes
The main class in this library isapikeys_v2::ApiKeysClient. All RPCs are exposed as member functions of this class. Other classes provide helpers, configuration parameters, and infrastructure to mockapikeys_v2::ApiKeysClientwhen testing your application.
More Information
Error Handling- describes how the library reports errors.
[[["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 2025-09-04 UTC."],[[["\u003cp\u003eThis webpage provides documentation for the C++ client library for the API Keys API, which is a service that allows developers to manage API keys for their projects.\u003c/p\u003e\n"],["\u003cp\u003eThe latest release candidate version is 2.37.0-rc, and the page lists links to documentation for previous versions, ranging from 2.36.0 down to 2.11.0.\u003c/p\u003e\n"],["\u003cp\u003eThe primary class within this library is \u003ccode\u003eapikeys_v2::ApiKeysClient\u003c/code\u003e, which exposes all Remote Procedure Calls (RPCs) as member functions, and it is supported by other classes used for helping, configuring and mocking the main class during testing.\u003c/p\u003e\n"],["\u003cp\u003eThe C++ client library does not adhere to Semantic Versioning, but it is noted as General Availability (GA) and the page provides links to guides on error handling, overriding the default endpoint, authentication credentials, and retry policies.\u003c/p\u003e\n"],["\u003cp\u003eThe provided quickstart section has a sample code snippet showcasing how to use the client to list the API Keys associated with a specific project.\u003c/p\u003e\n"]]],[],null,["Version 2.26.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/apikeys/latest)\n- [2.41.0](/cpp/docs/reference/apikeys/2.41.0)\n- [2.40.0](/cpp/docs/reference/apikeys/2.40.0)\n- [2.39.0](/cpp/docs/reference/apikeys/2.39.0)\n- [2.38.0](/cpp/docs/reference/apikeys/2.38.0)\n- [2.37.0](/cpp/docs/reference/apikeys/2.37.0)\n- [2.36.0](/cpp/docs/reference/apikeys/2.36.0)\n- [2.35.0](/cpp/docs/reference/apikeys/2.35.0)\n- [2.34.0](/cpp/docs/reference/apikeys/2.34.0)\n- [2.33.0](/cpp/docs/reference/apikeys/2.33.0)\n- [2.32.0](/cpp/docs/reference/apikeys/2.32.0)\n- [2.31.0](/cpp/docs/reference/apikeys/2.31.0)\n- [2.30.0](/cpp/docs/reference/apikeys/2.30.0)\n- [2.29.0](/cpp/docs/reference/apikeys/2.29.0)\n- [2.28.0](/cpp/docs/reference/apikeys/2.28.0)\n- [2.27.0](/cpp/docs/reference/apikeys/2.27.0)\n- [2.26.0](/cpp/docs/reference/apikeys/2.26.0)\n- [2.25.1](/cpp/docs/reference/apikeys/2.25.1)\n- [2.24.0](/cpp/docs/reference/apikeys/2.24.0)\n- [2.23.0](/cpp/docs/reference/apikeys/2.23.0)\n- [2.22.1](/cpp/docs/reference/apikeys/2.22.1)\n- [2.21.0](/cpp/docs/reference/apikeys/2.21.0)\n- [2.20.0](/cpp/docs/reference/apikeys/2.20.0)\n- [2.19.0](/cpp/docs/reference/apikeys/2.19.0)\n- [2.18.0](/cpp/docs/reference/apikeys/2.18.0)\n- [2.17.0](/cpp/docs/reference/apikeys/2.17.0)\n- [2.16.0](/cpp/docs/reference/apikeys/2.16.0)\n- [2.15.1](/cpp/docs/reference/apikeys/2.15.1)\n- [2.14.0](/cpp/docs/reference/apikeys/2.14.0)\n- [2.13.0](/cpp/docs/reference/apikeys/2.13.0)\n- [2.12.0](/cpp/docs/reference/apikeys/2.12.0)\n- [2.11.0](/cpp/docs/reference/apikeys/2.11.0) \n\nAPI Keys API C++ Client Library\n===============================\n\nAn idiomatic C++ client library for the [API Keys API](https://cloud.google.com/api-keys), a service to manage the API keys associated with developer projects.\n\nWhile this library is **GA** , please note Google Cloud C++ client libraries do **not** follow [Semantic Versioning](https://semver.org/).\n\n### Quickstart\n\nThe following shows the code that you'll run in the `google/cloud/apikeys/quickstart/` directory, which should give you a taste of the API Keys API C++ client library API. \n\n #include \"google/cloud/apikeys/v2/api_keys_client.h\"\n #include \"google/cloud/location.h\"\n #include \u003ciostream\u003e\n\n int main(int argc, char* argv[]) try {\n if (argc != 2) {\n std::cerr \u003c\u003c \"Usage: \" \u003c\u003c argv[0] \u003c\u003c \" project-id\\n\";\n return 1;\n }\n\n auto const location = google::cloud::Location(argv[1], \"global\");\n\n namespace apikeys = ::google::cloud::apikeys_v2;\n auto client = apikeys::ApiKeysClient(apikeys::MakeApiKeysConnection());\n\n for (auto k : client.ListKeys(location.FullName())) {\n if (!k) throw std::move(k).status();\n std::cout \u003c\u003c k-\u003eDebugString() \u003c\u003c \"\\n\";\n }\n\n return 0;\n } catch (google::cloud::Status const& status) {\n std::cerr \u003c\u003c \"google::cloud::Status thrown: \" \u003c\u003c status \u003c\u003c \"\\n\";\n return 1;\n }\n\n### Main classes\n\nThe main class in this library is [`apikeys_v2::ApiKeysClient`](/cpp/docs/reference/apikeys/2.26.0/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysClient). All RPCs are exposed as member functions of this class. Other classes provide helpers, configuration parameters, and infrastructure to mock [`apikeys_v2::ApiKeysClient`](/cpp/docs/reference/apikeys/2.26.0/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysClient) when testing your application.\n\n### More Information\n\n- [Error Handling](https://cloud.google.com/cpp/docs/reference/common/latest/common-error-handling.html) - describes how the library reports errors.\n- [How to Override the Default Endpoint](/cpp/docs/reference/apikeys/2.26.0/apikeys-override-endpoint) - describes how to override the default endpoint.\n- [How to Override the Authentication Credentials](/cpp/docs/reference/apikeys/2.26.0/apikeys-override-authentication) - describes how to change the authentication credentials used by the library.\n- [Override Retry, Backoff, and Idempotency Policies](/cpp/docs/reference/apikeys/2.26.0/apikeys-override-retry) - describes how to change the default retry policies.\n- [Environment Variables](/cpp/docs/reference/apikeys/2.26.0/apikeys-env) - describes environment variables that can configure the behavior of the library."]]