Register a subscription

Article
01/11/2024

To purchase an Azure reservation, you must have at least one existing CSP Azure subscription. This method allows you to register your existing CSP Azure subscription, enabling it for purchasing Azure reservations.

Prerequisites

Credentials as described in Partner Center authentication. This scenario supports authentication with both standalone App and App+User credentials.
A customer ID (customer-tenant-id). If you don't know the customer's ID, you can look it up in Partner Center by selecting the Customers workspace, then the customer from the customer list, then Account. On the customer’s Account page, look for the Microsoft ID in the Customer Account Info section. The Microsoft ID is the same as the customer ID (customer-tenant-id).
A subscription ID.

C#

To register a customer's subscription, retrieve an interface to subscription operations by calling the IAggregatePartner.Customers.ById method with the customer ID to identify the customer. Then, call the Subscription.ById() method with the subscription ID to identify the subscription that you are registering.

Finally, call the Registration.Register() method to register the subscription and retrieve a URI that can be used to get the subscription registration status. For more information, see Get subscription registration status.

// IAggregatePartner partnerOperations;
// var selectedCustomerId;
// var selectedSubscriptionId;

// Retrieve the subscription registration details.
var subscriptionRegistrationDetails = partnerOperations.Customers.ById(selectedCustomerId).Subscriptions.ById(selectedSubscriptionId).Registration.Register();

REST request

Request syntax

Method	Request URI
POST	{baseURL}/v1/customers/{customer-id}/subscriptions/{subscription-id}/registrations HTTP/1.1

URI parameters

Use the following path parameters to identify the customer and subscription.

Name	Type	Required	Description
customer-id	string	Yes	A GUID formatted string that identifies the customer.
subscription-id	string	Yes	A GUID formatted string that identifies the subscription. Partners should use the Azure plan ID for new commerce cases.

Request headers

For more information, see Partner Center REST headers.

Request body

None.

Request example

POST https://api.partnercenter.microsoft.com/v1/customers/<customer-id>/subscriptions/<subscription-id>/registrations HTTP/1.1
Authorization: Bearer <token>
Accept: application/json
MS-RequestId: bbbb1111-cc22-3333-44dd-555555eeeeee
MS-CorrelationId: aaaa0000-bb11-2222-33cc-444444dddddd
Content-Type: application/json
Content-Length: 1029
Expect: 100-continue
Connection: Keep-Alive

REST response

If successful, the response contains a Location header with a URI that can be used to retrieve the subscription registration status. Save this URI for use with other related REST APIs. For an example of how to retrieve the status, see Get subscription registration status.

Response success and error codes

Each response comes with an HTTP status code that indicates success or failure and additional debugging information. Use a network trace tool to read this code, error type, and additional parameters. For the full list, see Error Codes.

Response example

HTTP/1.1 202 Accepted
Content-Length: 0
Location: /customers/<customer-id>/subscriptions/<subscription-id>/registrationstatus
MS-CorrelationId: bbbb1111-cc22-3333-44dd-555555eeeeee
MS-RequestId: aaaa0000-bb11-2222-33cc-444444dddddd
MS-CV: iqOqN0FnaE2y0HcD.0
MS-ServerId: 030020525

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