In some cases, you may need to override the default endpoint used by the client library. Use theEndpointOptionwhen initializing the client library to change this default.
For example, this will override the default endpoint forapikeys_v2::ApiKeysClient:
// This configuration is common with Private Google Access:
// https://cloud.google.com/vpc/docs/private-google-access
auto options = google::cloud::Options{}.set<google::cloud::EndpointOption>(
"private.googleapis.com");
auto client = google::cloud::apikeys_v2::ApiKeysClient(
google::cloud::apikeys_v2::MakeApiKeysConnection(options));
[[["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 available version is 2.37.0-rc, which can be accessed via the provided link.\u003c/p\u003e\n"],["\u003cp\u003eThe document provides a list of versions, ranging from the latest release candidate (2.37.0-rc) down to version 2.11.0, each with a corresponding link to the documentation.\u003c/p\u003e\n"],["\u003cp\u003eThe content describes how to override the default endpoint used by the client library using \u003ccode\u003eEndpointOption\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe example provided shows how to override the default endpoint for \u003ccode\u003eapikeys_v2::ApiKeysClient\u003c/code\u003e, using a configuration common with Private Google Access.\u003c/p\u003e\n"]]],[],null,["Version 2.34.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/apikeys/latest/apikeys-override-endpoint)\n- [2.41.0](/cpp/docs/reference/apikeys/2.41.0/apikeys-override-endpoint)\n- [2.40.0](/cpp/docs/reference/apikeys/2.40.0/apikeys-override-endpoint)\n- [2.39.0](/cpp/docs/reference/apikeys/2.39.0/apikeys-override-endpoint)\n- [2.38.0](/cpp/docs/reference/apikeys/2.38.0/apikeys-override-endpoint)\n- [2.37.0](/cpp/docs/reference/apikeys/2.37.0/apikeys-override-endpoint)\n- [2.36.0](/cpp/docs/reference/apikeys/2.36.0/apikeys-override-endpoint)\n- [2.35.0](/cpp/docs/reference/apikeys/2.35.0/apikeys-override-endpoint)\n- [2.34.0](/cpp/docs/reference/apikeys/2.34.0/apikeys-override-endpoint)\n- [2.33.0](/cpp/docs/reference/apikeys/2.33.0/apikeys-override-endpoint)\n- [2.32.0](/cpp/docs/reference/apikeys/2.32.0/apikeys-override-endpoint)\n- [2.31.0](/cpp/docs/reference/apikeys/2.31.0/apikeys-override-endpoint)\n- [2.30.0](/cpp/docs/reference/apikeys/2.30.0/apikeys-override-endpoint)\n- [2.29.0](/cpp/docs/reference/apikeys/2.29.0/apikeys-override-endpoint)\n- [2.28.0](/cpp/docs/reference/apikeys/2.28.0/apikeys-override-endpoint)\n- [2.27.0](/cpp/docs/reference/apikeys/2.27.0/apikeys-override-endpoint)\n- [2.26.0](/cpp/docs/reference/apikeys/2.26.0/apikeys-override-endpoint)\n- [2.25.1](/cpp/docs/reference/apikeys/2.25.1/apikeys-override-endpoint)\n- [2.24.0](/cpp/docs/reference/apikeys/2.24.0/apikeys-override-endpoint)\n- [2.23.0](/cpp/docs/reference/apikeys/2.23.0/apikeys-override-endpoint)\n- [2.22.1](/cpp/docs/reference/apikeys/2.22.1/apikeys-override-endpoint)\n- [2.21.0](/cpp/docs/reference/apikeys/2.21.0/apikeys-override-endpoint)\n- [2.20.0](/cpp/docs/reference/apikeys/2.20.0/apikeys-override-endpoint)\n- [2.19.0](/cpp/docs/reference/apikeys/2.19.0/apikeys-override-endpoint)\n- [2.18.0](/cpp/docs/reference/apikeys/2.18.0/apikeys-override-endpoint)\n- [2.17.0](/cpp/docs/reference/apikeys/2.17.0/apikeys-override-endpoint)\n- [2.16.0](/cpp/docs/reference/apikeys/2.16.0/apikeys-override-endpoint)\n- [2.15.1](/cpp/docs/reference/apikeys/2.15.1/apikeys-override-endpoint)\n- [2.14.0](/cpp/docs/reference/apikeys/2.14.0/apikeys-override-endpoint)\n- [2.13.0](/cpp/docs/reference/apikeys/2.13.0/apikeys-override-endpoint)\n- [2.12.0](/cpp/docs/reference/apikeys/2.12.0/apikeys-override-endpoint)\n- [2.11.0](/cpp/docs/reference/apikeys/2.11.0/apikeys-override-endpoint) \n\nHow to Override the Default Endpoint\n====================================\n\nIn some cases, you may need to override the default endpoint used by the client library. Use the [EndpointOption](https://cloud.google.com/cpp/docs/reference/common/latest/structgoogle_1_1cloud_1_1EndpointOption.html) when initializing the client library to change this default.\n\nFor example, this will override the default endpoint for `apikeys_v2::ApiKeysClient`: \n\n // This configuration is common with Private Google Access:\n // https://cloud.google.com/vpc/docs/private-google-access\n auto options = google::cloud::Options{}.set\u003cgoogle::cloud::EndpointOption\u003e(\n \"private.googleapis.com\");\n auto client = google::cloud::apikeys_v2::ApiKeysClient(\n google::cloud::apikeys_v2::MakeApiKeysConnection(options));"]]