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 foriam_admin_v1::IAMClient:
// 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::iam_admin_v1::IAMClient(
google::cloud::iam_admin_v1::MakeIAMConnection(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 release candidate version is 2.37.0-rc, with the most recent stable release being version 2.36.0, and the content covers versions from 2.11.0 through 2.37.0-rc.\u003c/p\u003e\n"],["\u003cp\u003eThe document explains how to override the default endpoint for the client library using the \u003ccode\u003eEndpointOption\u003c/code\u003e during initialization, which is sometimes necessary.\u003c/p\u003e\n"],["\u003cp\u003eThe document specifically showcases endpoint overriding examples for \u003ccode\u003eiam_admin_v1::IAMClient\u003c/code\u003e, \u003ccode\u003eiam_credentials_v1::IAMCredentialsClient\u003c/code\u003e, \u003ccode\u003eiam_v1::IAMPolicyClient\u003c/code\u003e, and \u003ccode\u003eiam_v2::PoliciesClient\u003c/code\u003e classes.\u003c/p\u003e\n"],["\u003cp\u003eOverriding the endpoint can be done through configuration, as the example code demonstrates setting the EndpointOption to "private.googleapis.com".\u003c/p\u003e\n"]]],[],null,["Version 2.23.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/iam/latest/iam-override-endpoint)\n- [2.41.0](/cpp/docs/reference/iam/2.41.0/iam-override-endpoint)\n- [2.40.0](/cpp/docs/reference/iam/2.40.0/iam-override-endpoint)\n- [2.39.0](/cpp/docs/reference/iam/2.39.0/iam-override-endpoint)\n- [2.38.0](/cpp/docs/reference/iam/2.38.0/iam-override-endpoint)\n- [2.37.0](/cpp/docs/reference/iam/2.37.0/iam-override-endpoint)\n- [2.36.0](/cpp/docs/reference/iam/2.36.0/iam-override-endpoint)\n- [2.35.0](/cpp/docs/reference/iam/2.35.0/iam-override-endpoint)\n- [2.34.0](/cpp/docs/reference/iam/2.34.0/iam-override-endpoint)\n- [2.33.0](/cpp/docs/reference/iam/2.33.0/iam-override-endpoint)\n- [2.32.0](/cpp/docs/reference/iam/2.32.0/iam-override-endpoint)\n- [2.31.0](/cpp/docs/reference/iam/2.31.0/iam-override-endpoint)\n- [2.30.0](/cpp/docs/reference/iam/2.30.0/iam-override-endpoint)\n- [2.29.0](/cpp/docs/reference/iam/2.29.0/iam-override-endpoint)\n- [2.28.0](/cpp/docs/reference/iam/2.28.0/iam-override-endpoint)\n- [2.27.0](/cpp/docs/reference/iam/2.27.0/iam-override-endpoint)\n- [2.26.0](/cpp/docs/reference/iam/2.26.0/iam-override-endpoint)\n- [2.25.1](/cpp/docs/reference/iam/2.25.1/iam-override-endpoint)\n- [2.24.0](/cpp/docs/reference/iam/2.24.0/iam-override-endpoint)\n- [2.23.0](/cpp/docs/reference/iam/2.23.0/iam-override-endpoint)\n- [2.22.1](/cpp/docs/reference/iam/2.22.1/iam-override-endpoint)\n- [2.21.0](/cpp/docs/reference/iam/2.21.0/iam-override-endpoint)\n- [2.20.0](/cpp/docs/reference/iam/2.20.0/iam-override-endpoint)\n- [2.19.0](/cpp/docs/reference/iam/2.19.0/iam-override-endpoint)\n- [2.18.0](/cpp/docs/reference/iam/2.18.0/iam-override-endpoint)\n- [2.17.0](/cpp/docs/reference/iam/2.17.0/iam-override-endpoint)\n- [2.16.0](/cpp/docs/reference/iam/2.16.0/iam-override-endpoint)\n- [2.15.1](/cpp/docs/reference/iam/2.15.1/iam-override-endpoint)\n- [2.14.0](/cpp/docs/reference/iam/2.14.0/iam-override-endpoint)\n- [2.13.0](/cpp/docs/reference/iam/2.13.0/iam-override-endpoint)\n- [2.12.0](/cpp/docs/reference/iam/2.12.0/iam-override-endpoint)\n- [2.11.0](/cpp/docs/reference/iam/2.11.0/iam-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 `iam_admin_v1::IAMClient`: \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::iam_admin_v1::IAMClient(\n google::cloud::iam_admin_v1::MakeIAMConnection(options));\n\nFollow these links to find examples for other `*Client` classes:\n\n- [`iam_admin_v1::IAMClient`](/cpp/docs/reference/iam/2.23.0/iam_admin_v1_1_1IAMClient-endpoint-snippet)\n- [`iam_credentials_v1::IAMCredentialsClient`](/cpp/docs/reference/iam/2.23.0/iam_credentials_v1_1_1IAMCredentialsClient-endpoint-snippet)\n- [`iam_v1::IAMPolicyClient`](/cpp/docs/reference/iam/2.23.0/iam_v1_1_1IAMPolicyClient-endpoint-snippet)\n- [`iam_v2::PoliciesClient`](/cpp/docs/reference/iam/2.23.0/iam_v2_1_1PoliciesClient-endpoint-snippet)"]]