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\u003eThe latest version of the API keys documentation is \u003ccode\u003e2.37.0-rc\u003c/code\u003e, with numerous prior versions available, ranging from \u003ccode\u003e2.36.0\u003c/code\u003e down to \u003ccode\u003e2.11.0\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eApiKeysClient\u003c/code\u003e class is used for managing API keys associated with projects.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eApiKeysConnection\u003c/code\u003e provides the connection object for the \u003ccode\u003eApiKeysClient\u003c/code\u003e, handling network operations.\u003c/p\u003e\n"],["\u003cp\u003eSeveral retry policies and related options are available for managing connection stability and operation retries, including \u003ccode\u003eApiKeysLimitedErrorCountRetryPolicy\u003c/code\u003e, \u003ccode\u003eApiKeysLimitedTimeRetryPolicy\u003c/code\u003e, and \u003ccode\u003eApiKeysRetryPolicy\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMakeApiKeysConnection\u003c/code\u003e function is a factory that constructs an \u003ccode\u003eApiKeysConnection\u003c/code\u003e object, taking optional arguments to further configure it.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::apikeys_v2 (2.42.0-rc)\n\nVersion latestkeyboard_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/latest/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysClient)\n\nManages the API keys associated with projects.\n\n### [ApiKeysConnection](/cpp/docs/reference/apikeys/latest/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysConnection)\n\nThe [`ApiKeysConnection`](/cpp/docs/reference/apikeys/latest/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysConnection) object for [`ApiKeysClient`](/cpp/docs/reference/apikeys/latest/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysClient).\n\n### [ApiKeysConnectionIdempotencyPolicy](/cpp/docs/reference/apikeys/latest/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysConnectionIdempotencyPolicy)\n\n### [ApiKeysLimitedErrorCountRetryPolicy](/cpp/docs/reference/apikeys/latest/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysLimitedErrorCountRetryPolicy)\n\nA retry policy for [`ApiKeysConnection`](/cpp/docs/reference/apikeys/latest/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysConnection) based on counting errors.\n\n### [ApiKeysLimitedTimeRetryPolicy](/cpp/docs/reference/apikeys/latest/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysLimitedTimeRetryPolicy)\n\nA retry policy for [`ApiKeysConnection`](/cpp/docs/reference/apikeys/latest/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysConnection) based on elapsed time.\n\n### [ApiKeysRetryPolicy](/cpp/docs/reference/apikeys/latest/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysRetryPolicy)\n\nThe retry policy for [`ApiKeysConnection`](/cpp/docs/reference/apikeys/latest/classgoogle_1_1cloud_1_1apikeys__v2_1_1ApiKeysConnection).\n\nStructs\n-------\n\n### [ApiKeysBackoffPolicyOption](/cpp/docs/reference/apikeys/latest/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/latest/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/latest/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/latest/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/latest/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/latest/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/latest/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`](about:invalid#zCSafez)\n- [`google::cloud::apikeys_v2::ApiKeysPolicyOptionList`](about:invalid#zCSafez)\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()"]]
