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 fordocumentai_v1::DocumentProcessorServiceClient:
// 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::documentai_v1::DocumentProcessorServiceClient(
google::cloud::documentai_v1::MakeDocumentProcessorServiceConnection(
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 version available is 2.37.0-rc, with links to documentation for various other versions.\u003c/p\u003e\n"],["\u003cp\u003eThe default endpoint used by the client library can be overridden using the \u003ccode\u003eEndpointOption\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eOverriding the default endpoint is useful in specific cases, such as when using Private Google Access.\u003c/p\u003e\n"],["\u003cp\u003eThe provided example code demonstrates how to override the default endpoint for the \u003ccode\u003edocumentai_v1::DocumentProcessorServiceClient\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["Version 2.11.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/documentai/latest/documentai-override-endpoint)\n- [2.41.0](/cpp/docs/reference/documentai/2.41.0/documentai-override-endpoint)\n- [2.40.0](/cpp/docs/reference/documentai/2.40.0/documentai-override-endpoint)\n- [2.39.0](/cpp/docs/reference/documentai/2.39.0/documentai-override-endpoint)\n- [2.38.0](/cpp/docs/reference/documentai/2.38.0/documentai-override-endpoint)\n- [2.37.0](/cpp/docs/reference/documentai/2.37.0/documentai-override-endpoint)\n- [2.36.0](/cpp/docs/reference/documentai/2.36.0/documentai-override-endpoint)\n- [2.35.0](/cpp/docs/reference/documentai/2.35.0/documentai-override-endpoint)\n- [2.34.0](/cpp/docs/reference/documentai/2.34.0/documentai-override-endpoint)\n- [2.33.0](/cpp/docs/reference/documentai/2.33.0/documentai-override-endpoint)\n- [2.32.0](/cpp/docs/reference/documentai/2.32.0/documentai-override-endpoint)\n- [2.31.0](/cpp/docs/reference/documentai/2.31.0/documentai-override-endpoint)\n- [2.30.0](/cpp/docs/reference/documentai/2.30.0/documentai-override-endpoint)\n- [2.29.0](/cpp/docs/reference/documentai/2.29.0/documentai-override-endpoint)\n- [2.28.0](/cpp/docs/reference/documentai/2.28.0/documentai-override-endpoint)\n- [2.27.0](/cpp/docs/reference/documentai/2.27.0/documentai-override-endpoint)\n- [2.26.0](/cpp/docs/reference/documentai/2.26.0/documentai-override-endpoint)\n- [2.25.1](/cpp/docs/reference/documentai/2.25.1/documentai-override-endpoint)\n- [2.24.0](/cpp/docs/reference/documentai/2.24.0/documentai-override-endpoint)\n- [2.23.0](/cpp/docs/reference/documentai/2.23.0/documentai-override-endpoint)\n- [2.22.1](/cpp/docs/reference/documentai/2.22.1/documentai-override-endpoint)\n- [2.21.0](/cpp/docs/reference/documentai/2.21.0/documentai-override-endpoint)\n- [2.20.0](/cpp/docs/reference/documentai/2.20.0/documentai-override-endpoint)\n- [2.19.0](/cpp/docs/reference/documentai/2.19.0/documentai-override-endpoint)\n- [2.18.0](/cpp/docs/reference/documentai/2.18.0/documentai-override-endpoint)\n- [2.17.0](/cpp/docs/reference/documentai/2.17.0/documentai-override-endpoint)\n- [2.16.0](/cpp/docs/reference/documentai/2.16.0/documentai-override-endpoint)\n- [2.15.1](/cpp/docs/reference/documentai/2.15.1/documentai-override-endpoint)\n- [2.14.0](/cpp/docs/reference/documentai/2.14.0/documentai-override-endpoint)\n- [2.13.0](/cpp/docs/reference/documentai/2.13.0/documentai-override-endpoint)\n- [2.12.0](/cpp/docs/reference/documentai/2.12.0/documentai-override-endpoint)\n- [2.11.0](/cpp/docs/reference/documentai/2.11.0/documentai-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 `documentai_v1::DocumentProcessorServiceClient`: \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::documentai_v1::DocumentProcessorServiceClient(\n google::cloud::documentai_v1::MakeDocumentProcessorServiceConnection(\n options));"]]