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 forappengine_v1::ApplicationsClient:
// 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::appengine_v1::ApplicationsClient(
google::cloud::appengine_v1::MakeApplicationsConnection(options));
Follow these links to find examples for other*Clientclasses:
[[["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 available is 2.37.0-rc, with numerous older versions available dating back to 2.11.0.\u003c/p\u003e\n"],["\u003cp\u003eThe page provides information on how to override the default endpoint using \u003ccode\u003eEndpointOption\u003c/code\u003e when initializing the client library.\u003c/p\u003e\n"],["\u003cp\u003eOverriding the default endpoint is useful when you want to use private google access, as seen in the provided code snippet.\u003c/p\u003e\n"],["\u003cp\u003eExamples are provided for how to override the endpoint for multiple \u003ccode\u003e*Client\u003c/code\u003e classes, such as \u003ccode\u003eappengine_v1::ApplicationsClient\u003c/code\u003e, \u003ccode\u003eappengine_v1::AuthorizedCertificatesClient\u003c/code\u003e, and more.\u003c/p\u003e\n"]]],[],null,["Version 2.22.1keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/appengine/latest/appengine-override-endpoint)\n- [2.41.0](/cpp/docs/reference/appengine/2.41.0/appengine-override-endpoint)\n- [2.40.0](/cpp/docs/reference/appengine/2.40.0/appengine-override-endpoint)\n- [2.39.0](/cpp/docs/reference/appengine/2.39.0/appengine-override-endpoint)\n- [2.38.0](/cpp/docs/reference/appengine/2.38.0/appengine-override-endpoint)\n- [2.37.0](/cpp/docs/reference/appengine/2.37.0/appengine-override-endpoint)\n- [2.36.0](/cpp/docs/reference/appengine/2.36.0/appengine-override-endpoint)\n- [2.35.0](/cpp/docs/reference/appengine/2.35.0/appengine-override-endpoint)\n- [2.34.0](/cpp/docs/reference/appengine/2.34.0/appengine-override-endpoint)\n- [2.33.0](/cpp/docs/reference/appengine/2.33.0/appengine-override-endpoint)\n- [2.32.0](/cpp/docs/reference/appengine/2.32.0/appengine-override-endpoint)\n- [2.31.0](/cpp/docs/reference/appengine/2.31.0/appengine-override-endpoint)\n- [2.30.0](/cpp/docs/reference/appengine/2.30.0/appengine-override-endpoint)\n- [2.29.0](/cpp/docs/reference/appengine/2.29.0/appengine-override-endpoint)\n- [2.28.0](/cpp/docs/reference/appengine/2.28.0/appengine-override-endpoint)\n- [2.27.0](/cpp/docs/reference/appengine/2.27.0/appengine-override-endpoint)\n- [2.26.0](/cpp/docs/reference/appengine/2.26.0/appengine-override-endpoint)\n- [2.25.1](/cpp/docs/reference/appengine/2.25.1/appengine-override-endpoint)\n- [2.24.0](/cpp/docs/reference/appengine/2.24.0/appengine-override-endpoint)\n- [2.23.0](/cpp/docs/reference/appengine/2.23.0/appengine-override-endpoint)\n- [2.22.1](/cpp/docs/reference/appengine/2.22.1/appengine-override-endpoint)\n- [2.21.0](/cpp/docs/reference/appengine/2.21.0/appengine-override-endpoint)\n- [2.20.0](/cpp/docs/reference/appengine/2.20.0/appengine-override-endpoint)\n- [2.19.0](/cpp/docs/reference/appengine/2.19.0/appengine-override-endpoint)\n- [2.18.0](/cpp/docs/reference/appengine/2.18.0/appengine-override-endpoint)\n- [2.17.0](/cpp/docs/reference/appengine/2.17.0/appengine-override-endpoint)\n- [2.16.0](/cpp/docs/reference/appengine/2.16.0/appengine-override-endpoint)\n- [2.15.1](/cpp/docs/reference/appengine/2.15.1/appengine-override-endpoint)\n- [2.14.0](/cpp/docs/reference/appengine/2.14.0/appengine-override-endpoint)\n- [2.13.0](/cpp/docs/reference/appengine/2.13.0/appengine-override-endpoint)\n- [2.12.0](/cpp/docs/reference/appengine/2.12.0/appengine-override-endpoint)\n- [2.11.0](/cpp/docs/reference/appengine/2.11.0/appengine-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 `appengine_v1::ApplicationsClient`: \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::appengine_v1::ApplicationsClient(\n google::cloud::appengine_v1::MakeApplicationsConnection(options));\n\nFollow these links to find examples for other `*Client` classes:\n\n- [`appengine_v1::ApplicationsClient`](/cpp/docs/reference/appengine/2.22.1/appengine_v1_1_1ApplicationsClient-endpoint-snippet)\n- [`appengine_v1::AuthorizedCertificatesClient`](/cpp/docs/reference/appengine/2.22.1/appengine_v1_1_1AuthorizedCertificatesClient-endpoint-snippet)\n- [`appengine_v1::AuthorizedDomainsClient`](/cpp/docs/reference/appengine/2.22.1/appengine_v1_1_1AuthorizedDomainsClient-endpoint-snippet)\n- [`appengine_v1::DomainMappingsClient`](/cpp/docs/reference/appengine/2.22.1/appengine_v1_1_1DomainMappingsClient-endpoint-snippet)\n- [`appengine_v1::FirewallClient`](/cpp/docs/reference/appengine/2.22.1/appengine_v1_1_1FirewallClient-endpoint-snippet)\n- [`appengine_v1::InstancesClient`](/cpp/docs/reference/appengine/2.22.1/appengine_v1_1_1InstancesClient-endpoint-snippet)\n- [`appengine_v1::ServicesClient`](/cpp/docs/reference/appengine/2.22.1/appengine_v1_1_1ServicesClient-endpoint-snippet)\n- [`appengine_v1::VersionsClient`](/cpp/docs/reference/appengine/2.22.1/appengine_v1_1_1VersionsClient-endpoint-snippet)"]]