The returned connection object should not be used directly; instead it should be passed as an argument to the constructor ofApiKeysClient.
The optionaloptionsargument may be used to configure aspects of the returnedApiKeysConnection. Expected options are any of the types in the following option lists:
[[["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 Google Cloud C++ Client Library for API Keys, with a focus on version 2.11.0.\u003c/p\u003e\n"],["\u003cp\u003eThe latest available version is 2.37.0-rc, and documentation for numerous previous versions, including 2.36.0 down to 2.11.0, are available.\u003c/p\u003e\n"],["\u003cp\u003eKey classes documented include \u003ccode\u003eApiKeysClient\u003c/code\u003e for managing API keys and \u003ccode\u003eApiKeysConnection\u003c/code\u003e, which is necessary to use in the construction of \u003ccode\u003eApiKeysClient\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eStructs like \u003ccode\u003eApiKeysBackoffPolicyOption\u003c/code\u003e, \u003ccode\u003eApiKeysConnectionIdempotencyPolicyOption\u003c/code\u003e, \u003ccode\u003eApiKeysPollingPolicyOption\u003c/code\u003e, and \u003ccode\u003eApiKeysRetryPolicyOption\u003c/code\u003e allow customization of the API interactions.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMakeApiKeysConnection\u003c/code\u003e function is provided to create an \u003ccode\u003eApiKeysConnection\u003c/code\u003e object, utilizing various option lists for configuration, while the \u003ccode\u003eMakeDefaultApiKeysConnectionIdempotencyPolicy\u003c/code\u003e function creates a default idempotency policy.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::apikeys_v2 (2.11.0)\n\nVersion 2.11.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/apikeys/latest/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.41.0](/cpp/docs/reference/apikeys/2.41.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.40.0](/cpp/docs/reference/apikeys/2.40.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.39.0](/cpp/docs/reference/apikeys/2.39.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.38.0](/cpp/docs/reference/apikeys/2.38.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.37.0](/cpp/docs/reference/apikeys/2.37.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.36.0](/cpp/docs/reference/apikeys/2.36.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.35.0](/cpp/docs/reference/apikeys/2.35.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.34.0](/cpp/docs/reference/apikeys/2.34.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.33.0](/cpp/docs/reference/apikeys/2.33.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.32.0](/cpp/docs/reference/apikeys/2.32.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.31.0](/cpp/docs/reference/apikeys/2.31.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.30.0](/cpp/docs/reference/apikeys/2.30.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.29.0](/cpp/docs/reference/apikeys/2.29.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.28.0](/cpp/docs/reference/apikeys/2.28.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.27.0](/cpp/docs/reference/apikeys/2.27.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.26.0](/cpp/docs/reference/apikeys/2.26.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.25.1](/cpp/docs/reference/apikeys/2.25.1/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.24.0](/cpp/docs/reference/apikeys/2.24.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.23.0](/cpp/docs/reference/apikeys/2.23.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.22.1](/cpp/docs/reference/apikeys/2.22.1/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.21.0](/cpp/docs/reference/apikeys/2.21.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.20.0](/cpp/docs/reference/apikeys/2.20.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.19.0](/cpp/docs/reference/apikeys/2.19.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.18.0](/cpp/docs/reference/apikeys/2.18.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.17.0](/cpp/docs/reference/apikeys/2.17.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.16.0](/cpp/docs/reference/apikeys/2.16.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.15.1](/cpp/docs/reference/apikeys/2.15.1/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.14.0](/cpp/docs/reference/apikeys/2.14.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.13.0](/cpp/docs/reference/apikeys/2.13.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.12.0](/cpp/docs/reference/apikeys/2.12.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n- [2.11.0](/cpp/docs/reference/apikeys/2.11.0/namespacegoogle_1_1cloud_1_1apikeys__v2) \n\nClasses\n-------\n\n### [ApiKeysClient](/cpp/docs/reference/apikeys/2.11.0/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysClient)\n\nManages the API keys associated with projects.\n\n### [ApiKeysConnection](/cpp/docs/reference/apikeys/2.11.0/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysConnection)\n\nThe [`ApiKeysConnection`](/cpp/docs/reference/apikeys/2.11.0/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysConnection) object for [`ApiKeysClient`](/cpp/docs/reference/apikeys/2.11.0/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysClient).\n\n### [ApiKeysConnectionIdempotencyPolicy](/cpp/docs/reference/apikeys/2.11.0/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysConnectionIdempotencyPolicy)\n\nStructs\n-------\n\n### [ApiKeysBackoffPolicyOption](/cpp/docs/reference/apikeys/2.11.0/structgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysBackoffPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the backoff policy.\n\n### [ApiKeysConnectionIdempotencyPolicyOption](/cpp/docs/reference/apikeys/2.11.0/structgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysConnectionIdempotencyPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure which operations are retried.\n\n### [ApiKeysPollingPolicyOption](/cpp/docs/reference/apikeys/2.11.0/structgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysPollingPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the long-running operations polling policy.\n\n### [ApiKeysRetryPolicyOption](/cpp/docs/reference/apikeys/2.11.0/structgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysRetryPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the retry policy.\n\nFunctions\n---------\n\n### MakeApiKeysConnection(Options)\n\nA factory function to construct an object of type [`ApiKeysConnection`](/cpp/docs/reference/apikeys/2.11.0/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysConnection). \nThe returned connection object should not be used directly; instead it should be passed as an argument to the constructor of [ApiKeysClient](/cpp/docs/reference/apikeys/2.11.0/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysClient).\n\nThe optional `options` argument may be used to configure aspects of the returned [`ApiKeysConnection`](/cpp/docs/reference/apikeys/2.11.0/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysConnection). Expected options are any of the types in the following option lists:\n\n- [`google::cloud::CommonOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::GrpcOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::UnifiedCredentialsOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::apikeys_v2::ApiKeysPolicyOptionList`](/cpp/docs/reference/apikeys/2.11.0/namespacegoogle_1_1cloud_1_1apikeys__v2)\n\n| **Note:** Unexpected options will be ignored. To log unexpected options instead, set `GOOGLE_CLOUD_CPP_ENABLE_CLOG=yes` in the environment.\n\n### MakeDefaultApiKeysConnectionIdempotencyPolicy()\n\nType Aliases\n------------\n\n### ApiKeysRetryPolicy\n\n**Alias Of** : `::google::cloud::internal::TraitBasedRetryPolicy\u003c apikeys_v2_internal::ApiKeysRetryTraits \u003e` \n\n### ApiKeysLimitedTimeRetryPolicy\n\n**Alias Of** : `::google::cloud::internal::LimitedTimeRetryPolicy\u003c apikeys_v2_internal::ApiKeysRetryTraits \u003e` \n\n### ApiKeysLimitedErrorCountRetryPolicy\n\n**Alias Of** : `::google::cloud::internal::LimitedErrorCountRetryPolicy\u003c apikeys_v2_internal::ApiKeysRetryTraits \u003e` \n\n### ApiKeysPolicyOptionList\n\n**Alias Of** : `OptionList\u003c ApiKeysRetryPolicyOption, ApiKeysBackoffPolicyOption, ApiKeysPollingPolicyOption, ApiKeysConnectionIdempotencyPolicyOption \u003e` \nThe options applicable to ApiKeys."]]
