In some cases, you may need to override the default endpoint used by the client library. Use the EndpointOption when initializing the client library to change this default.
For example, this will override the default endpoint for apikeys_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"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["\u003cp\u003eThe webpage provides documentation for overriding the default endpoint in the client library, specifically for the \u003ccode\u003eapikeys_v2::ApiKeysClient\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available is \u003ccode\u003e2.37.0-rc\u003c/code\u003e, with links provided for various versions down to \u003ccode\u003e2.11.0\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eTo override the default endpoint, users should utilize the \u003ccode\u003eEndpointOption\u003c/code\u003e during client library initialization.\u003c/p\u003e\n"],["\u003cp\u003eAn example is given showing how to override the default endpoint to "private.googleapis.com" using \u003ccode\u003eEndpointOption\u003c/code\u003e, which is useful in cases like Private Google Access.\u003c/p\u003e\n"]]],[],null,["Version 2.19.0keyboard_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));"]]