Renew a Data-Limited Subscription Early at Full Price

The following contains relevant information about this use case:

Preconditions and Considerations

The current billing interval has started and the next billing date has not been reached yet.
The renewal is not combined with an alignment of the subscription. For more information, see Get Started with Subscription API > Alignment Settings.
The call using the Renew Subscription API endpoint must be made between the start of the current billing interval and the next billing date.
By default, the Cleverbridge platform bills the customer the full price for the next billing interval, which starts immediately. Any remaining time from the current billing interval is added to the next billing interval, moving the next billing date further into the future. If you want to suppress this behavior, set ResetBillingInterval to true.

On January 1st, 2020, a customer signs up for a publisher's proxy service for $80 monthly. The plan has a data limit of 5GB for the month.
On January 15th, 2020, the customer used up the 5GB data limit and receives an email from the publisher. The publisher tells the customer that they can regain access to the service by renewing immediately. The message redirects the customer to a page that uses the Get Subscription API endpoint o obtain and display the full price of the subscription, current expiration date (February 1st, 2020), and other details regarding the subscription.
After reviewing this information, the customer confirms this purchase by clicking a Renew Now button on the page. The page uses the Renew Subscription API endpoint to renew the customer's subscription immediately.
The Cleverbridge platform bills the customer the full $80 price for the next billing interval, which starts immediately and ends on February 15th, 2020.
The customer sees a confirmation page, which is either created by the publisher or provided by the Subscription API. If the transaction is not successful, the page provided by the API will inform the customer about the next steps, such as updating the payment details in case of a failed payment.

For more information on how to achieve this particular use case, see Integration Guide.

Although not utilized in this use case, the following options are also available:

Renew early at a discounted price. For more information, see Renew a Data-Limited Subscription Early at Custom Price.
Combine the early renewal with an upgrade of the subscription. For more information, see Combine an Upgrade with an Early Full-Price Renewal of a Data-Limited Subscription.
Combine the early renewal with a custom-price upgrade of the subscription. For more information, see Combine an Upgrade with an Early Custom-Price Renewal of a Data-Limited Subscription.
Combine the early renewal with a downgrade of the subscription. For more information, see Combine a Downgrade with an Early Full-Price Renewal of a Data-Limited Subscription.

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Tip
Get the customer's consent for changes to subscriptions. For more information, see Best Practices: Obtain Customer Consent.