Send feedback Home Docs Serverless Computing App Engine Documentation Flexible Environment Node.js Reference APIs & Reference Client Library API Client Library for Node.js A client library that embraces idioms of Node.js and provides high-level API abstractions so that you can easily access Google Cloud services. Admin API App Engine Admin API Use the REST and RPC APIs with any programming language to manage your App Engine applications. Configuration Files dispatch.yaml Details about the configuration file that is use to route incoming requests to a specific service based on the path or hostname in the URL. index.yaml Details about the configuration file use to define the Datastore indexes of the data in your app. Request Headers and Responses Request Headers and Responses Details about what HTTP headers are supported as well as the request and response limits in App Engine. Glossary App Engine Glossary Definitions of App Engine-specific terms and concepts. Was this page helpful? Let us know how we did: Send feedback Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates.