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\u003eThis page provides documentation for overriding the default endpoint used by the client library in various App Engine versions, from version 2.11.0 up to 2.37.0-rc.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eEndpointOption\u003c/code\u003e can be used when initializing the client library to change the default endpoint, as shown in the provided code example.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation offers code examples for several \u003ccode\u003e*Client\u003c/code\u003e classes, including \u003ccode\u003eApplicationsClient\u003c/code\u003e, \u003ccode\u003eAuthorizedCertificatesClient\u003c/code\u003e, \u003ccode\u003eAuthorizedDomainsClient\u003c/code\u003e, and others, demonstrating how to override the default endpoint for each one.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available is version 2.37.0-rc, and it can be accessed at the provided link.\u003c/p\u003e\n"]]],[],null,["Version 2.31.0keyboard_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/2.31.0/appengine_v1_1_1ApplicationsClient-endpoint-snippet)\n- [`appengine_v1::AuthorizedCertificatesClient`](/cpp/docs/reference/appengine/2.31.0/appengine_v1_1_1AuthorizedCertificatesClient-endpoint-snippet)\n- [`appengine_v1::AuthorizedDomainsClient`](/cpp/docs/reference/appengine/2.31.0/appengine_v1_1_1AuthorizedDomainsClient-endpoint-snippet)\n- [`appengine_v1::DomainMappingsClient`](/cpp/docs/reference/appengine/2.31.0/appengine_v1_1_1DomainMappingsClient-endpoint-snippet)\n- [`appengine_v1::FirewallClient`](/cpp/docs/reference/appengine/2.31.0/appengine_v1_1_1FirewallClient-endpoint-snippet)\n- [`appengine_v1::InstancesClient`](/cpp/docs/reference/appengine/2.31.0/appengine_v1_1_1InstancesClient-endpoint-snippet)\n- [`appengine_v1::ServicesClient`](/cpp/docs/reference/appengine/2.31.0/appengine_v1_1_1ServicesClient-endpoint-snippet)\n- [`appengine_v1::VersionsClient`](/cpp/docs/reference/appengine/2.31.0/appengine_v1_1_1VersionsClient-endpoint-snippet)"]]