post https://rest.cleverbridge.com/subscription/renewsubscription
Triggers an instant renewal of a subscription. If the renewal payment can be processed with the current payment details, then the subscription is renewed, and the customer receives an email confirmation with the delivery details. If the renewal payment cannot be processed with the current payment details, or if an offline payment is required, then the customer receives an email with payment instructions. You can use this API if a B2B customer has budget left at the end of the year, and they want to renew their auto-renewal subscription before the end of the year.
For XML examples and schemas, see the Additional Examples - Renew Subscription.