Add a key credential to an application. This method, along with removeKey can be used by an application to automate rolling its expiring keys.
Note
Create application and
Update application operations can continue to be used to add and update key credentials for any application with or without a user's context.
You should only provide the public key value when adding a certificate credential to your application. Adding a private key certificate to your application risks compromising the application.
As part of the request validation for this method, a proof of possession of an existing key is verified before the action can be performed.
Applications that don’t have any existing valid certificates (no certificates have been added yet, or all certificates have expired), won’t be able to use this service action. You can use the Update application operation to perform an update instead.
An application does not need any specific permission to roll its own keys.
HTTP request
You can address the application using either its id or appId. id and appId are referred to as the Object ID and Application (Client) ID, respectively, in app registrations in the Microsoft Entra admin center.
POST /applications/{id}/addKey
POST /applications(appId='{appId}')/addKey
Request headers
Name
Description
Authorization
Bearer {token}. Required.
Content-Type
application/json. Required.
Request body
In the request body, provide the following required properties.
Only secretText is required to be set which should contain the password for the key. This property is required only for keys of type X509CertAndPassword. Set it to null otherwise.
proof
String
A self-signed JWT token used as a proof of possession of the existing keys. This JWT token must be signed using the private key of one of the application's existing valid certificates. The token should contain the following claims:
aud - Audience needs to be 00000002-0000-0000-c000-000000000000.
iss - Issuer needs to be the id of the application that is making the call.
nbf - Not before time.
exp - Expiration time should be "nbf" + 10 mins.
Here is a code sample that can be used to generate this proof of possession token. For more information about the claim types, see Claims payload.
Response
If successful, this method returns a 200 OK response code and a new keyCredential object in the response body.
Examples
Example 1: Add a new key credential to an application
// Code snippets are only available for the latest version. Current version is 5.x
var graphClient = new GraphServiceClient(requestAdapter);
var requestBody = new Microsoft.Graph.Applications.Item.AddKey.AddKeyPostRequestBody
{
KeyCredential = new KeyCredential
{
Type = "AsymmetricX509Cert",
Usage = "Verify",
Key = Convert.FromBase64String("MIIDYDCCAki..."),
},
PasswordCredential = null,
Proof = "eyJ0eXAiOiJ...",
};
var result = await graphClient.Applications["{application-id}"].AddKey.PostAsync(requestBody);
<?php
// THIS SNIPPET IS A PREVIEW VERSION OF THE SDK. NON-PRODUCTION USE ONLY
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestBody = new AddKeyPostRequestBody();
$keyCredential = new KeyCredential();
$keyCredential->setType('AsymmetricX509Cert');
$keyCredential->setUsage('Verify');
$keyCredential->setKey(\GuzzleHttp\Psr7\Utils::streamFor(base64_decode('MIIDYDCCAki...')));
$requestBody->setKeyCredential($keyCredential);
$requestBody->setPasswordCredential(null);
$requestBody->setProof('eyJ0eXAiOiJ...');
$result = $graphServiceClient->applications()->byApplicationId('application-id')->addKey()->post($requestBody)->wait();
// Code snippets are only available for the latest version. Current version is 5.x
var graphClient = new GraphServiceClient(requestAdapter);
var requestBody = new Microsoft.Graph.Applications.Item.AddKey.AddKeyPostRequestBody
{
KeyCredential = new KeyCredential
{
Type = "X509CertAndPassword",
Usage = "Sign",
Key = Convert.FromBase64String("MIIDYDCCAki..."),
},
PasswordCredential = new PasswordCredential
{
SecretText = "MKTr0w1...",
},
Proof = "eyJ0eXAiOiJ...",
};
var result = await graphClient.Applications["{application-id}"].AddKey.PostAsync(requestBody);
<?php
// THIS SNIPPET IS A PREVIEW VERSION OF THE SDK. NON-PRODUCTION USE ONLY
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestBody = new AddKeyPostRequestBody();
$keyCredential = new KeyCredential();
$keyCredential->setType('X509CertAndPassword');
$keyCredential->setUsage('Sign');
$keyCredential->setKey(\GuzzleHttp\Psr7\Utils::streamFor(base64_decode('MIIDYDCCAki...')));
$requestBody->setKeyCredential($keyCredential);
$passwordCredential = new PasswordCredential();
$passwordCredential->setSecretText('MKTr0w1...');
$requestBody->setPasswordCredential($passwordCredential);
$requestBody->setProof('eyJ0eXAiOiJ...');
$result = $graphServiceClient->applications()->byApplicationId('application-id')->addKey()->post($requestBody)->wait();