The returned connection object should not be used directly; instead it should be passed as an argument to the constructor ofPublicCertificateAuthorityServiceClient.
The optionaloptionsargument may be used to configure aspects of the returnedPublicCertificateAuthorityServiceConnection. Expected options are any of the types in the following option lists:
[[["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 of the Public Certificate Authority service documentation is 2.37.0-rc, and there are multiple previous versions available, ranging from 2.36.0 down to 2.25.1.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePublicCertificateAuthorityServiceClient\u003c/code\u003e class manages resources for ACME external account binding for the public certificate authority service.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePublicCertificateAuthorityServiceConnection\u003c/code\u003e class is the connection object used by the \u003ccode\u003ePublicCertificateAuthorityServiceClient\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMakePublicCertificateAuthorityServiceConnection\u003c/code\u003e function is a factory that creates a \u003ccode\u003ePublicCertificateAuthorityServiceConnection\u003c/code\u003e object, which should be used indirectly through the \u003ccode\u003ePublicCertificateAuthorityServiceClient\u003c/code\u003e constructor.\u003c/p\u003e\n"],["\u003cp\u003eThere are also several retry policy classes such as \u003ccode\u003ePublicCertificateAuthorityServiceLimitedErrorCountRetryPolicy\u003c/code\u003e, \u003ccode\u003ePublicCertificateAuthorityServiceLimitedTimeRetryPolicy\u003c/code\u003e, and \u003ccode\u003ePublicCertificateAuthorityServiceRetryPolicy\u003c/code\u003e, along with related struct like \u003ccode\u003ePublicCertificateAuthorityServiceBackoffPolicyOption\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::publicca_v1 (2.42.0-rc)\n\nVersion latestkeyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/publicca/latest/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.41.0](/cpp/docs/reference/publicca/2.41.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.40.0](/cpp/docs/reference/publicca/2.40.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.39.0](/cpp/docs/reference/publicca/2.39.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.38.0](/cpp/docs/reference/publicca/2.38.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.37.0](/cpp/docs/reference/publicca/2.37.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.36.0](/cpp/docs/reference/publicca/2.36.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.35.0](/cpp/docs/reference/publicca/2.35.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.34.0](/cpp/docs/reference/publicca/2.34.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.33.0](/cpp/docs/reference/publicca/2.33.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.32.0](/cpp/docs/reference/publicca/2.32.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.31.0](/cpp/docs/reference/publicca/2.31.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.30.0](/cpp/docs/reference/publicca/2.30.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.29.0](/cpp/docs/reference/publicca/2.29.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.28.0](/cpp/docs/reference/publicca/2.28.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.27.0](/cpp/docs/reference/publicca/2.27.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.26.0](/cpp/docs/reference/publicca/2.26.0/namespacegoogle_1_1cloud_1_1publicca__v1)\n- [2.25.1](/cpp/docs/reference/publicca/2.25.1/namespacegoogle_1_1cloud_1_1publicca__v1) \n\nClasses\n-------\n\n### [PublicCertificateAuthorityServiceClient](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceClient)\n\nManages the resources required for ACME [external account binding](https://tools.ietf.org/html/rfc8555#section-7.3.4) for the public certificate authority service.\n\n### [PublicCertificateAuthorityServiceConnection](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceConnection)\n\nThe [`PublicCertificateAuthorityServiceConnection`](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceConnection) object for [`PublicCertificateAuthorityServiceClient`](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceClient).\n\n### [PublicCertificateAuthorityServiceConnectionIdempotencyPolicy](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceConnectionIdempotencyPolicy)\n\n### [PublicCertificateAuthorityServiceLimitedErrorCountRetryPolicy](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceLimitedErrorCountRetryPolicy)\n\nA retry policy for [`PublicCertificateAuthorityServiceConnection`](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceConnection) based on counting errors.\n\n### [PublicCertificateAuthorityServiceLimitedTimeRetryPolicy](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceLimitedTimeRetryPolicy)\n\nA retry policy for [`PublicCertificateAuthorityServiceConnection`](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceConnection) based on elapsed time.\n\n### [PublicCertificateAuthorityServiceRetryPolicy](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceRetryPolicy)\n\nThe retry policy for [`PublicCertificateAuthorityServiceConnection`](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceConnection).\n\nStructs\n-------\n\n### [PublicCertificateAuthorityServiceBackoffPolicyOption](/cpp/docs/reference/publicca/latest/structgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceBackoffPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the backoff policy.\n\n### [PublicCertificateAuthorityServiceConnectionIdempotencyPolicyOption](/cpp/docs/reference/publicca/latest/structgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceConnectionIdempotencyPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure which operations are retried.\n\n### [PublicCertificateAuthorityServiceRetryPolicyOption](/cpp/docs/reference/publicca/latest/structgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceRetryPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the retry policy.\n\nFunctions\n---------\n\n### MakePublicCertificateAuthorityServiceConnection(Options)\n\nA factory function to construct an object of type [`PublicCertificateAuthorityServiceConnection`](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceConnection). \nThe returned connection object should not be used directly; instead it should be passed as an argument to the constructor of [PublicCertificateAuthorityServiceClient](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceClient).\n\nThe optional `options` argument may be used to configure aspects of the returned [`PublicCertificateAuthorityServiceConnection`](/cpp/docs/reference/publicca/latest/classgoogle_1_1cloud_1_1publicca__v1_1_1PublicCertificateAuthorityServiceConnection). Expected options are any of the types in the following option lists:\n\n- [`google::cloud::CommonOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::GrpcOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::UnifiedCredentialsOptionList`](about:invalid#zCSafez)\n- [`google::cloud::publicca_v1::PublicCertificateAuthorityServicePolicyOptionList`](about:invalid#zCSafez)\n\n| **Note:** Unexpected options will be ignored. To log unexpected options instead, set `GOOGLE_CLOUD_CPP_ENABLE_CLOG=yes` in the environment.\n\n### MakeDefaultPublicCertificateAuthorityServiceConnectionIdempotencyPolicy()"]]
