App Engine サービス間や App Engine サービスと他のサービス（ Google Cloud サービスや外部アプリケーションなど）間での通信には、多様な方法を使用できます。
App Engine サービスと通信する最も簡単な方法は、URL にリソースの名前または ID を含めてターゲット設定した HTTP リクエストを送信することです。たとえば、該当する Google Cloud プロジェクト ID に加え、サービスまたはバージョンの ID を含めてターゲット設定できます。
[[["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"]],[["わかりにくい","hardToUnderstand","thumb-down"],["情報またはサンプルコードが不正確","incorrectInformationOrSampleCode","thumb-down"],["必要な情報 / サンプルがない","missingTheInformationSamplesINeed","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-04-09 UTC。"],[[["The `REGION_ID` is a Google-assigned code based on the region selected during app creation, not corresponding to a specific country or province."],["App Engine URLs for apps created after February 2020 include `REGION_ID`.r, while it's optional for older apps."],["You can send targeted HTTP requests to communicate with App Engine services by including resource identifiers like service or version IDs in the URL."],["App Engine services can communicate with each other and external applications using various methods, including targeted HTTP requests and Pub/Sub for asynchronous messaging."],["Certain URL paths are reserved and cannot be used, including those ending with `/eventlog`, starting with `/_ah/`, and some ending with `z`."]]],[]]
