Creating and managing service account keys

This page explains how to create and manage service account keys using the Google Cloud Console, the gcloud command-line tool, the Cloud Identity and Access Management API, or one of the Google Cloud Client Libraries.

Prerequisites for this guide

Understand service accounts
Install the gcloud tool

Required permissions

To allow a user to manage service account keys, grant the Service Account Key Admin role (roles/iam.serviceAccountKeyAdmin). Cloud IAM primitive roles also contain permissions to manage service account keys, but we recommend granting this role instead to prevent unnecessary access to other Google Cloud resources.

For more information, see the list of Service Accounts roles.

Creating service account keys

To use a service account outside of Google Cloud, such as on other platforms or on-premises, you must first establish the identity of the service account. Public/private key pairs provide a secure way of accomplishing this goal.

You can create a service account key using the Cloud Console, the gcloud tool, the serviceAccounts.keys.create() method, or one of the client libraries.

In the examples below, [SA-NAME] is the name of your service account, and [PROJECT-ID] is the ID of your Google Cloud project. You can retrieve the [SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com string from the Service Accounts page in the Cloud Console.

Console

Open the IAM & Admin page in the Cloud Console.

Open the IAM & Admin page
Click Select a project, choose a project, and click Open.
In the left nav, click Service accounts.
Find the row of the service account that you want to create a key for. In that row, click the , and then click Create key.
Select a Key type and click Create.

gcloud command

Execute the gcloud iam service-accounts keys create command to create service account keys.

Command:

gcloud iam service-accounts keys create ~/key.json \
  --iam-account [SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com

Output:

created key [e44da1202f82f8f4bdd9d92bc412d1d8a837fa83] of type [json] as
[/usr/home/username/key.json] for
[SA-NAME@PROJECT-ID.iam.gserviceaccount.com]

REST API

Request:

POST https://iam.googleapis.com/v1/projects/[PROJECT-ID]/serviceAccounts/[SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com/keys

Response:

{
    "name":"projects/PROJECT-ID/serviceAccounts/SA-NAME@PROJECT-ID.iam.gserviceaccount.com/keys/90c48f61c65cd56224a12ab18e6ee9ca9c3aee7c",
    "privateKeyType": "TYPE_GOOGLE_CREDENTIALS_FILE",
    "privateKeyData":"MIIJqAIB . . .",
    "validBeforeTime": "2028-05-08T21:00:00Z",
    "validAfterTime": "2016-01-25T18:38:09.000Z",
    "keyAlgorithm": "KEY_ALG_RSA_2048"
}

C#

Before trying this sample, follow the C# setup instructions in the Cloud IAM Quickstart Using Client Libraries . For more information, see the Cloud IAM C# API reference documentation .

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using System;
using Google.Apis.Auth.OAuth2;
using Google.Apis.Iam.v1;
using Google.Apis.Iam.v1.Data;

public partial class ServiceAccountKeys
{
    public static ServiceAccountKey CreateKey(string serviceAccountEmail)
    {
        var credential = GoogleCredential.GetApplicationDefault()
            .CreateScoped(IamService.Scope.CloudPlatform);
        var service = new IamService(new IamService.Initializer
        {
            HttpClientInitializer = credential
        });

        var key = service.Projects.ServiceAccounts.Keys.Create(
            new CreateServiceAccountKeyRequest(),
            "projects/-/serviceAccounts/" + serviceAccountEmail)
            .Execute();
        Console.WriteLine("Created key: " + key.Name);
        return key;
    }
}

Go

Before trying this sample, follow the Go setup instructions in the Cloud IAM Quickstart Using Client Libraries . For more information, see the Cloud IAM Go API reference documentation .

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import (
	"context"
	"fmt"
	"io"

	"golang.org/x/oauth2/google"
	iam "google.golang.org/api/iam/v1"
)

// createKey creates a service account key.
func createKey(w io.Writer, serviceAccountEmail string) (*iam.ServiceAccountKey, error) {
	client, err := google.DefaultClient(context.Background(), iam.CloudPlatformScope)
	if err != nil {
		return nil, fmt.Errorf("google.DefaultClient: %v", err)
	}
	service, err := iam.New(client)
	if err != nil {
		return nil, fmt.Errorf("iam.New: %v", err)
	}

	resource := "projects/-/serviceAccounts/" + serviceAccountEmail
	request := &iam.CreateServiceAccountKeyRequest{}
	key, err := service.Projects.ServiceAccounts.Keys.Create(resource, request).Do()
	if err != nil {
		return nil, fmt.Errorf("Projects.ServiceAccounts.Keys.Create: %v", err)
	}
	fmt.Fprintf(w, "Created key: %v", key.Name)
	return key, nil
}

Java

Before trying this sample, follow the Java setup instructions in the Cloud IAM Quickstart Using Client Libraries . For more information, see the Cloud IAM Java API reference documentation .

View on GitHub Feedback

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.api.services.iam.v1.Iam;
import com.google.api.services.iam.v1.IamScopes;
import com.google.api.services.iam.v1.model.CreateServiceAccountKeyRequest;
import com.google.api.services.iam.v1.model.ServiceAccountKey;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.Collections;

public class CreateServiceAccountKey {

  // Creates a key for a service account.
  public static void createKey(String projectId) {
    // String projectId = "my-project-id";

    Iam service = null;
    try {
      service = initService();
    } catch (IOException | GeneralSecurityException e) {
      System.out.println("Unable to initialize service: \n" + e.toString());
      return;
    }

    try {
      ServiceAccountKey key =
          service
              .projects()
              .serviceAccounts()
              .keys()
              .create(
                  "projects/-/serviceAccounts/your-service-account-name@"
                      + projectId
                      + ".iam.gserviceaccount.com",
                  new CreateServiceAccountKeyRequest())
              .execute();

      System.out.println("Created key: " + key.getName());
    } catch (IOException e) {
      System.out.println("Unable to create service account key: \n" + e.toString());
    }
  }

  private static Iam initService() throws GeneralSecurityException, IOException {
    // Use the Application Default Credentials strategy for authentication. For more info, see:
    // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
    GoogleCredential credential =
        GoogleCredential.getApplicationDefault()
            .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));
    // Initialize the IAM service, which can be used to send requests to the IAM API.
    Iam service =
        new Iam.Builder(
                GoogleNetHttpTransport.newTrustedTransport(),
                JacksonFactory.getDefaultInstance(),
                credential)
            .setApplicationName("service-account-keys")
            .build();
    return service;
  }
}

Python

Before trying this sample, follow the Python setup instructions in the Cloud IAM Quickstart Using Client Libraries . For more information, see the Cloud IAM Python API reference documentation .

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import os

from google.oauth2 import service_account
import googleapiclient.discovery

def create_key(service_account_email):
    """Creates a key for a service account."""

    credentials = service_account.Credentials.from_service_account_file(
        filename=os.environ['GOOGLE_APPLICATION_CREDENTIALS'],
        scopes=['https://www.googleapis.com/auth/cloud-platform'])

    service = googleapiclient.discovery.build(
        'iam', 'v1', credentials=credentials)

    key = service.projects().serviceAccounts().keys().create(
        name='projects/-/serviceAccounts/' + service_account_email, body={}
        ).execute()

    print('Created key: ' + key['name'])

Note that the privateKeyData returned is a base64-encoded string representation of the TYPE_GOOGLE_CREDENTIALS_FILE value (JSON or P12 key/credentials).

When you create a key, your new public/private key pair is generated and downloaded to your machine; it serves as the only copy of the private key. You are responsible for storing the private key securely. Take note of its location and ensure the key is accessible to your application; it needs the key to make authenticated API calls.

It may take up to 60 seconds before a newly created key can be used for authentication. If you experience authentication failures immediately after creating a new key, ensure that 60 seconds have elapsed before trying again.

The format of the key may differ depending on how it is generated. Keys created using the Cloud Console or the gcloud command-line tool look like this:

{
"type": "service_account",
"project_id": "[PROJECT-ID]",
"private_key_id": "[KEY-ID]",
"private_key": "-----BEGIN PRIVATE KEY-----\n[PRIVATE-KEY]\n-----END PRIVATE KEY-----\n",
"client_email": "[SERVICE-ACCOUNT-EMAIL]",
"client_id": "[CLIENT-ID]",
"auth_uri": "https://accounts.google.com/o/oauth2/auth",
"token_uri": "https://accounts.google.com/o/oauth2/token",
"auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
"client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/[SERVICE-ACCOUNT-EMAIL]"
}

Whereas keys generated with the REST API or client libraries look like this:

{
"name": "projects/[PROJECT-ID]/serviceAccounts/[SERVICE-ACCOUNT-EMAIL]/keys/[KEY-ID]",
"privateKeyType": "TYPE_GOOGLE_CREDENTIALS_FILE",
"privateKeyData": "[PRIVATE-KEY]",
"validAfterTime": "[DATE]",
"validBeforeTime": "[DATE]",
"keyAlgorithm": "KEY_ALG_RSA_2048"
}

Note once again that the privateKeyData returned is a base64-encoded string representation of the TYPE_GOOGLE_CREDENTIALS_FILE value (JSON or P12 key/credentials).

Because the formatting differs between each method, it's easiest to generate a key using the same method you plan to use when making future API calls. For example, if you're using gcloud, also generate your key using gcloud. To use a key for one method that's been generated using a different method (such as using a REST-generated key with gcloud), you'll need to edit the key to match the appropriate format.

Google ensures that all public keys for all service accounts are publicly accessible by anyone and available to verify signatures that are created with the private key. The public key is publicly accessible at the following URLs:

x.509 certificate: https://www.googleapis.com/service_accounts/v1/metadata/x509/[SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com
JSON web key (JWK): https://www.googleapis.com/service_accounts/v1/jwk/[SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com
Raw endpoint: https://www.googleapis.com/service_accounts/v1/metadata/raw/[SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com

Listing service account keys

You can list the service account keys for a service account using the Cloud Console, the gcloud tool, the serviceAccount.keys.list() method, or one of the client libraries.

The serviceAccount.keys.list() method is commonly used to audit service accounts and keys, or to build custom tooling for managing service accounts.

To find out which project your key belongs to, you can download the key as a JSON file and look at that file.

You may see keys listed that you did not create. These are Google Cloud-managed keys used by Google Cloud services such as App Engine and Compute Engine. For more information on the difference between user and Google Cloud-managed keys, see Understanding service accounts.

Console

Open the IAM & Admin page in the Cloud Console.

Open the IAM & Admin page
Click Select a project, choose a project, and click Open.
In the left nav, click Service accounts. All service accounts and their corresponding keys are listed.

gcloud command

Execute the gcloud iam service-accounts keys list command to list service account keys.

Command:

gcloud iam service-accounts keys list \
    --iam-account [SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com

Output:

KEY_ID	CREATED_AT	EXPIRES_AT
8e6e3936d7024646f8ceb39792006c07f4a9760c	2016-01-26T21:01:42.000Z	2026-01-23T21:01:42.000Z
937c98f870f5c8db970af527aa3c12fd88b1c20a	2016-01-26T20:55:40.000Z	2026-01-23T20:55:40.000Z

REST API

Call serviceAccount.keys.list() to list a service account's keys.

Request:

GET https://iam.googleapis.com/v1/projects/[PROJECT-ID]/serviceAccounts/[SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com/keys

Response:

{
  "keys": [
    {
        "name": "projects/PROJECT-ID/serviceAccounts/SA-NAME@PROJECT-ID.iam.gserviceaccount.com/keys/90c48f61c65cd56224a12ab18e6ee9ca9c3aee7c",
        "validAfterTime": "2016-01-25T18:38:09.000Z",
        "validBeforeTime": "2026-01-22T18:38:09.000Z",
        "keyAlgorithm": "KEY_ALG_RSA_2048"
    },
    {
        "name": "projects/PROJECT-ID/serviceAccounts/SA-NAME@PROJECT-ID.iam.gserviceaccount.com/keys/e5e3800831ac1adc8a5849da7d827b4724b1fce8",
        "validAfterTime": "2016-01-25T13:43:27.000Z",
        "validBeforeTime": "2016-01-26T13:43:27.000Z",
        "keyAlgorithm": "KEY_ALG_RSA_2048"
    },
    {
        "name": "projects/PROJECT-ID/serviceAccounts/SA-NAME@PROJECT-ID.iam.gserviceaccount.com/keys/b97699f042b8eee6a846f4f96259fbcd13e2682e",
        "validAfterTime": "2016-01-26T13:28:27.000Z",
        "validBeforeTime": "2016-01-27T13:28:27.000Z",
        "keyAlgorithm": "KEY_ALG_RSA_2048"
    }
  ]
}

C#

Before trying this sample, follow the C# setup instructions in the Cloud IAM Quickstart Using Client Libraries . For more information, see the Cloud IAM C# API reference documentation .

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using System;
using System.Collections.Generic;
using Google.Apis.Auth.OAuth2;
using Google.Apis.Iam.v1;
using Google.Apis.Iam.v1.Data;

public partial class ServiceAccountKeys
{
    public static IList<ServiceAccountKey> ListKeys(string serviceAccountEmail)
    {
        var credential = GoogleCredential.GetApplicationDefault()
            .CreateScoped(IamService.Scope.CloudPlatform);
        var service = new IamService(new IamService.Initializer
        {
            HttpClientInitializer = credential
        });

        var response = service.Projects.ServiceAccounts.Keys
            .List($"projects/-/serviceAccounts/{serviceAccountEmail}")
            .Execute();
        foreach (ServiceAccountKey key in response.Keys)
        {
            Console.WriteLine("Key: " + key.Name);
        }
        return response.Keys;
    }
}

Go

Before trying this sample, follow the Go setup instructions in the Cloud IAM Quickstart Using Client Libraries . For more information, see the Cloud IAM Go API reference documentation .

View on GitHub Feedback

import (
	"context"
	"fmt"
	"io"

	"golang.org/x/oauth2/google"
	iam "google.golang.org/api/iam/v1"
)

// listKey lists a service account's keys.
func listKeys(w io.Writer, serviceAccountEmail string) ([]*iam.ServiceAccountKey, error) {
	client, err := google.DefaultClient(context.Background(), iam.CloudPlatformScope)
	if err != nil {
		return nil, fmt.Errorf("google.DefaultClient: %v", err)
	}
	service, err := iam.New(client)
	if err != nil {
		return nil, fmt.Errorf("iam.New: %v", err)
	}

	resource := "projects/-/serviceAccounts/" + serviceAccountEmail
	response, err := service.Projects.ServiceAccounts.Keys.List(resource).Do()
	if err != nil {
		return nil, fmt.Errorf("Projects.ServiceAccounts.Keys.List: %v", err)
	}
	for _, key := range response.Keys {
		fmt.Fprintf(w, "Listing key: %v", key.Name)
	}
	return response.Keys, nil
}

Java

Before trying this sample, follow the Java setup instructions in the Cloud IAM Quickstart Using Client Libraries . For more information, see the Cloud IAM Java API reference documentation .

View on GitHub Feedback

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.api.services.iam.v1.Iam;
import com.google.api.services.iam.v1.IamScopes;
import com.google.api.services.iam.v1.model.ServiceAccountKey;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.Collections;
import java.util.List;

public class ListServiceAccountKeys {

  // Lists all keys for a service account.
  public static void listKeys(String projectId) {
    // String projectId = "my-project-id";

    Iam service = null;
    try {
      service = initService();
    } catch (IOException | GeneralSecurityException e) {
      System.out.println("Unable to initialize service: \n" + e.toString());
      return;
    }

    try {
      List<ServiceAccountKey> keys =
          service
              .projects()
              .serviceAccounts()
              .keys()
              .list(
                  "projects/-/serviceAccounts/"
                      + "your-service-account-name@"
                      + projectId
                      + ".iam.gserviceaccount.com")
              .execute()
              .getKeys();

      for (ServiceAccountKey key : keys) {
        System.out.println("Key: " + key.getName());
      }
    } catch (IOException e) {
      System.out.println("Unable to list service account keys: \n" + e.toString());
    }
  }

  private static Iam initService() throws GeneralSecurityException, IOException {
    // Use the Application Default Credentials strategy for authentication. For more info, see:
    // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
    GoogleCredential credential =
        GoogleCredential.getApplicationDefault()
            .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));
    // Initialize the IAM service, which can be used to send requests to the IAM API.
    Iam service =
        new Iam.Builder(
                GoogleNetHttpTransport.newTrustedTransport(),
                JacksonFactory.getDefaultInstance(),
                credential)
            .setApplicationName("service-account-keys")
            .build();
    return service;
  }
}

Python

Before trying this sample, follow the Python setup instructions in the Cloud IAM Quickstart Using Client Libraries . For more information, see the Cloud IAM Python API reference documentation .

View on GitHub Feedback

import os

from google.oauth2 import service_account
import googleapiclient.discovery

def list_keys(service_account_email):
    """Lists all keys for a service account."""

    credentials = service_account.Credentials.from_service_account_file(
        filename=os.environ['GOOGLE_APPLICATION_CREDENTIALS'],
        scopes=['https://www.googleapis.com/auth/cloud-platform'])

    service = googleapiclient.discovery.build(
        'iam', 'v1', credentials=credentials)

    keys = service.projects().serviceAccounts().keys().list(
        name='projects/-/serviceAccounts/' + service_account_email).execute()

    for key in keys['keys']:
        print('Key: ' + key['name'])

Getting a service account key

You can only get the private key data for a service account key when the key is first created.

You can get basic information about a key such as its ID, algorithm, and public key data with the projects.serviceAccounts.keys.get() REST API method. Using the Cloud Console or the gcloud command-line tool is not supported.

Uploading public keys for service accounts

You can upload a public key portion of a user-managed key pair to sign service account keys. The public key data is permanently associated with the service account, and will be used for all subsequent signing operations when you create service account keys. If you wish to disable the ability to upload keys for your project, see restricting service account key upload.

If you choose to use a user-managed key pair instead of a Google-managed key pair, ensure that you maintain it and regularly rotate it.

Before uploading your public key, ensure that it is in the RSA_X509_PEM format. If you do not yet have an existing certificate, you can generate a self-signed X.509 in the appropriate format using tools such as openssl. To generate a valid certificate using the openssl tool:

openssl req -x509 -nodes -newkey rsa:2048 -keyout /output/path/to/private/key \
    -out /output/path/to/public/key -subj "/CN=unused"

Note that by default, X.509 certificates created using openssl expire after 30 days. However, you can extend or shorten the expiration time using the -n flag.

gcloud command

Execute the gcloud alpha iam service-accounts keys upload command to upload a public key for signing service account keys.

Command:

gcloud alpha iam service-accounts keys upload /path/to/public/key \
    --iam-account [SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com

The output contains a unique identifier for the uploaded key:

Name: projects/PROJECT-ID/serviceAccounts/SA-NAME@PROJECT-ID.iam.gserviceaccount.com/keys/c7b74879da78e4cdcbe7e1bf5e129375c0bfa8d0

To determine whether the command was successful, execute the gcloud iam service-accounts keys list command:

gcloud iam service-accounts keys list \
    --iam-account [SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com

The output will contain the same unique identifier that was returned after the key was created:

KEY_ID	CREATED_AT	EXPIRES_AT
c7b74879da78e4cdcbe7e1bf5e129375c0bfa8d0	2019-06-26T21:01:42.000Z	2029-06-23T21:01:42.000Z

REST API

Call serviceAccount.keys.upload() to upload a public key for a service account.

Request:

POST https://iam.googleapis.com/v1/projects/[PROJECT-ID]/serviceAccounts/[SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com/keys:upload

Request body:

{
  "publicKeyData": "LS0tLS1CRUdJTiBDRVJUSUZJQ...jlsCjVjMXUzVlVqS3AtLS0tXG4="
}

The request body must contain the public key data in RSA_X509_PEM format.

Response:

{
  "name": "projects/[PROJECT-ID]/serviceAccounts/[SERVICE-ACCOUNT-EMAIL]/keys/c7b74879da78e4cdcbe7e1bf5e129375c0bfa8d0",
  "keyAlgorithm": "KEY_ALG_RSA_2048",
  "keyOrigin": "USER_PROVIDED",
}

Deleting service account keys

You can delete a service account key using the Cloud Console, the gcloud tool, the serviceAccount.keys.delete() method, or one of the client libraries.

If you delete a key, your application will no longer be able to access Cloud Platform resources using that key. A security best practice is to rotate your service account keys regularly. You can rotate a key by creating a new key, switching applications to use the new key and then deleting old key. Use the serviceAccount.keys.create() method and serviceAccount.keys.delete() method together to automate the rotation.

Console

Open the IAM & Admin page in the Cloud Console.

Open the IAM & Admin page
Click Select a project, choose a project, and click Open.
In the left nav, click Service accounts. All service accounts and their corresponding keys are listed.
Find the row of the service account that you want to create a key for. In that row, click the in that row, and then click Create key.
From the list of keys, click Delete for each key you'd like to delete.

gcloud command

Execute the gcloud iam service-accounts keys delete command to delete service account keys.

Command:

gcloud iam service-accounts keys delete [KEY-ID] \
    --iam-account [SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com

Output:

Deleted key [8e6e3936d7024646f8ceb39792006c07f4a9760c] for
service account [SA-NAME@PROJECT-ID.iam.gserviceaccount.com]

REST API

Request:

DELETE https://iam.googleapis.com/v1/projects/[PROJECT-ID]/serviceAccounts/[SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com/keys/[KEY-ID]

C#

Before trying this sample, follow the C# setup instructions in the Cloud IAM Quickstart Using Client Libraries . For more information, see the Cloud IAM C# API reference documentation .

View on GitHub Feedback


using System;
using Google.Apis.Auth.OAuth2;
using Google.Apis.Iam.v1;
using Google.Apis.Iam.v1.Data;

public partial class ServiceAccountKeys
{
    public static void DeleteKey(string fullKeyName)
    {
        var credential = GoogleCredential.GetApplicationDefault()
            .CreateScoped(IamService.Scope.CloudPlatform);
        var service = new IamService(new IamService.Initializer
        {
            HttpClientInitializer = credential
        });

        service.Projects.ServiceAccounts.Keys.Delete(fullKeyName).Execute();
        Console.WriteLine("Deleted key: " + fullKeyName);
    }
}

Go

Before trying this sample, follow the Go setup instructions in the Cloud IAM Quickstart Using Client Libraries . For more information, see the Cloud IAM Go API reference documentation .

View on GitHub Feedback

import (
	"context"
	"fmt"
	"io"

	"golang.org/x/oauth2/google"
	iam "google.golang.org/api/iam/v1"
)

// deleteKey deletes a service account key.
func deleteKey(w io.Writer, fullKeyName string) error {
	client, err := google.DefaultClient(context.Background(), iam.CloudPlatformScope)
	if err != nil {
		return fmt.Errorf("google.DefaultClient: %v", err)
	}
	service, err := iam.New(client)
	if err != nil {
		return fmt.Errorf("iam.New: %v", err)
	}

	_, err = service.Projects.ServiceAccounts.Keys.Delete(fullKeyName).Do()
	if err != nil {
		return fmt.Errorf("Projects.ServiceAccounts.Keys.Delete: %v", err)
	}
	fmt.Fprintf(w, "Deleted key: %v", fullKeyName)
	return nil
}

Java

Before trying this sample, follow the Java setup instructions in the Cloud IAM Quickstart Using Client Libraries . For more information, see the Cloud IAM Java API reference documentation .

View on GitHub Feedback

import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.api.services.iam.v1.Iam;
import com.google.api.services.iam.v1.IamScopes;
import com.google.api.services.iam.v1.model.ServiceAccountKey;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.Collections;
import java.util.List;

public class DeleteServiceAccountKey {

  // Deletes a service account key.
  public static void deleteKey(String projectId) {
    // String projectId = "my-project-id";

    Iam service = null;
    try {
      service = initService();
    } catch (IOException | GeneralSecurityException e) {
      System.out.println("Unable to initialize service: \n" + e.toString());
      return;
    }

    try {
      // First, get the name of the key using List() or Get()
      List<ServiceAccountKey> keys =
          service
              .projects()
              .serviceAccounts()
              .keys()
              .list(
                  "projects/-/serviceAccounts/"
                      + "your-service-account-name@"
                      + projectId
                      + ".iam.gserviceaccount.com")
              .execute()
              .getKeys();
      String keyToDelete = keys.get(0).getName();

      // Then you can delete the key
      service.projects().serviceAccounts().keys().delete(keyToDelete).execute();

      System.out.println("Deleted key: " + keyToDelete);
    } catch (IOException e) {
      System.out.println("Unable to delete service account key: \n" + e.toString());
    }
  }

  private static Iam initService() throws GeneralSecurityException, IOException {
    // Use the Application Default Credentials strategy for authentication. For more info, see:
    // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
    GoogleCredential credential =
        GoogleCredential.getApplicationDefault()
            .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));
    // Initialize the IAM service, which can be used to send requests to the IAM API.
    Iam service =
        new Iam.Builder(
                GoogleNetHttpTransport.newTrustedTransport(),
                JacksonFactory.getDefaultInstance(),
                credential)
            .setApplicationName("service-account-keys")
            .build();
    return service;
  }
}

Python

Before trying this sample, follow the Python setup instructions in the Cloud IAM Quickstart Using Client Libraries . For more information, see the Cloud IAM Python API reference documentation .

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import os

from google.oauth2 import service_account
import googleapiclient.discovery

def delete_key(full_key_name):
    """Deletes a service account key."""

    credentials = service_account.Credentials.from_service_account_file(
        filename=os.environ['GOOGLE_APPLICATION_CREDENTIALS'],
        scopes=['https://www.googleapis.com/auth/cloud-platform'])

    service = googleapiclient.discovery.build(
        'iam', 'v1', credentials=credentials)

    service.projects().serviceAccounts().keys().delete(
        name=full_key_name).execute()

    print('Deleted key: ' + full_key_name)

Prerequisites for this guide

Required permissions

Creating service account keys

Console

gcloud command

REST API

C#

Go

Java

Python

Listing service account keys

Console

gcloud command

REST API

C#

Go

Java

Python

Getting a service account key

Uploading public keys for service accounts

gcloud command

REST API

Deleting service account keys

Console

gcloud command

REST API

C#

Go

Java

Python

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