[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-08-21 UTC。"],[],[],null,["**Note:** The current step of this tutorial depends on the [type of application](/google-ads/api/docs/get-started/choose-application-type) you are building. We strongly recommend using a service account to make API calls. However, the user authentication option is also provided as an alternative. The rest of this tutorial will be customized based on your choice. \nService accounts User authentication\n\nCreate a service account and key **Note:** If you are already using another Google API and have created an OAuth 2.0 service account and key, you can skip this step and reuse the existing credentials.\n\nStart by [creating a service account and credentials](/google-ads/api/docs/get-started/choose-application-type).\nNext, [create credentials for the service account](/workspace/guides/create-credentials#service-account).\nDownload the service account key in JSON format and note the service account ID\nand email."]]