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For a better experience than developing over raw REST or gRPC for
server-to-server communication, use Google's language-specific client libraries.
Get the protobuf files these clients are based on by visiting the GitHub
repository.
If libraries don't exist in your application's language, use gRPC or the
Fleet Engine REST endpoints.
NOTE: Google Cloud Client Libraries are intended to run in trusted server
environments. JWTs are unnecessary. Use Application Default
Credentials
along with the appropriate deliveryAdmin role.
See Java examples for interacting with the Fleet Engine API on the
Get a delivery vehicle page.
Fleet Engine Authentication Library
You can use the Fleet Engine Authentication Library to create signed JSON web
tokens in the Java environment. Fleet Engine uses JWTs to restrict access to
Fleet Engine APIs in untrusted environments. The Fleet Engine Authentication
Library simplifies construction of Fleet Engine JWTs in Java and securely signs
them. For details, see Fleet Engine Authentication Library for Java.
The library provides the following benefits:
Simplifies the process of creating Fleet Engine Tokens.
Provides token signing mechanisms other than using credential files (such as
impersonating a service account.)
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eLeverage Google's language-specific client libraries for streamlined server-to-server communication with Fleet Engine, instead of using raw REST or gRPC.\u003c/p\u003e\n"],["\u003cp\u003eAccess protobuf files underpinning these clients from the designated GitHub repository for development purposes.\u003c/p\u003e\n"],["\u003cp\u003eUtilize gRPC or Fleet Engine REST endpoints if client libraries are unavailable for your programming language.\u003c/p\u003e\n"],["\u003cp\u003eFor Java development, integrate the \u003ccode\u003ecom.google.maps:google-maps-fleetengine-delivery\u003c/code\u003e library via Maven or Gradle, and utilize Application Default Credentials for authentication in trusted server environments.\u003c/p\u003e\n"],["\u003cp\u003eExplore experimental client libraries for Node.js/TypeScript, Go, Python, C#, PHP, and Ruby, offering varying levels of functionality and support.\u003c/p\u003e\n"]]],[],null,["# Client libraries for scheduled task services\n\nFor a better experience than developing over raw REST or gRPC for\nserver-to-server communication, use Google's language-specific client libraries.\nGet the protobuf files these clients are based on by visiting the [GitHub](https://github.com/googleapis/googleapis/tree/master/google/maps/fleetengine/delivery/v1)\nrepository.\n\nIf libraries don't exist in your application's language, use gRPC or the\n[Fleet Engine REST](/maps/documentation/mobility/fleet-engine/reference/tasks/rest) endpoints.\n\nNOTE: Google Cloud Client Libraries are intended to run in trusted server\nenvironments. JWTs are unnecessary. Use [Application Default\nCredentials](https://cloud.google.com/docs/authentication/provide-credentials-adc)\nalong with the appropriate `deliveryAdmin` role.\n\nJava\n----\n\nJava libraries are published to public Maven repositories as\n[`com.google.maps:google-maps-fleetengine-delivery`](https://central.sonatype.com/artifact/com.google.maps/google-maps-fleetengine-delivery). \n\n### Gradle\n\n dependencies {\n implementation 'com.google.maps:google-maps-fleetengine-delivery:latest.release'\n }\n\n### Maven\n\n \u003cproject\u003e\n \u003cdependency\u003e\n \u003cgroupId\u003ecom.google.maps\u003c/groupId\u003e\n \u003cartifactId\u003egoogle-maps-fleetengine-delivery\u003c/artifactId\u003e\n \u003cversion\u003eLATEST\u003c/version\u003e\n \u003c/dependency\u003e\n \u003c/project\u003e\n\nSee Java examples for interacting with the Fleet Engine API on the\n[Get a delivery vehicle](/maps/documentation/mobility/fleet-engine/essentials/vehicles/scheduled-tasks-get-vehicle) page.\n\n### Fleet Engine Authentication Library\n\nYou can use the Fleet Engine Authentication Library to create signed JSON web\ntokens in the Java environment. Fleet Engine uses JWTs to restrict access to\nFleet Engine APIs in untrusted environments. The Fleet Engine Authentication\nLibrary simplifies construction of Fleet Engine JWTs in Java and securely signs\nthem. For details, see [Fleet Engine Authentication Library for Java](https://github.com/googlemaps/java-fleetengine-auth).\n\nThe library provides the following benefits:\n\n- Simplifies the process of creating Fleet Engine Tokens.\n- Provides token signing mechanisms other than using credential files (such as impersonating a service account.)\n\n| **Important:** Google highly recommends using the Fleet Engine Authentication Library with all Java implementations.\n\nNode.js / TypeScript\n--------------------\n\n| Experimental Library\n\nSee \u003chttps://www.npmjs.com/package/@googlemaps/fleetengine-delivery\u003e \n\n### npm\n\n npm install @googlemaps/fleetengine-delivery\n\nGo\n---\n\n| Experimental Library\n\nThe Go library is packaged as a module at\n\u003chttps://pkg.go.dev/cloud.google.com/go/maps\u003e\n\nPython\n------\n\n| Experimental Library\n\nSee \u003chttps://pypi.org/project/google-maps-fleetengine-delivery/0.1.0/\u003e \n\n### pip\n\n pip install google-auth\n pip install google-maps-fleetengine-delivery\n\nC#\n---\n\n| Experimental Library\n\nInstallation instructions for the C# library can be found at\n\u003chttps://www.nuget.org/packages/Google.Maps.FleetEngine.Delivery.V1\u003e.\n\nPHP\n---\n\n| Experimental Library\n\nSee \u003chttps://packagist.org/packages/google/maps-fleetengine-delivery\u003e.\n\nRuby\n----\n\n| Experimental Library\n\nSee \u003chttps://rubygems.org/gems/google-maps-fleet_engine-delivery\u003e."]]
