CODEWITHSUNDEEP
azureazure-active-directoryazure-sdk-.net
Jeff Saremi
Jeff Saremi

Reputation: 3024

Is there an API to get the tenant ID for a give name?

If i have a tenant name such as "contoso.onmicrosoft.com" can i get the tenantID using an API call? I have already checked the API for Microsoft.Azure.Management.ResourceGroup

Upvotes: 3

Views: 6581

Answers (3)

Jan Hajek
Jan Hajek

Reputation: 668

You can simply call https://login.microsoftonline.com/tenantDomain/.well-known/openid-configuration and get the tenant id from there. Just parse the JSON it returns and get the tenant id from it - for example from issuer.

Full info can be found here.

The call doesn't have to be authenticated so it is very simple to call.

Upvotes: 6

Jambor - MSFT
Jambor - MSFT

Reputation: 3293

Te easiest way to get tenantID is to find it in Azure portal. Please click -> APPLICATION -> VIEW ENDPOINT. like the following screenshot: enter image description here

If you want to use C# to get the tenant ID from the name. Please try to get the JWT token first (use the user under the "contoso.onmicrosoft.com" to sign in). The JWT token will contain tid. "tid" means tenant id. Refer to this article for more details. Then we can use the following code to get the tenant id:

var token = new JwtSecurityToken(jwtToken);
var oid = token.Claims.FirstOrDefault(m=>m.Type == "tid").Value;

Upvotes: 0

Michael B
Michael B

Reputation: 12228

You can get the name of the tenant you are logged into by calling

https://management.azure.com/tenants?$skiptoken={skiptoken}&api-version={api-version}

see here for details This will give you a list of all tenants that you authorized for.

This is actually listed under 'Tenants' rather than resource groups.

Upvotes: 4

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