delete https://sandbox.dev.business.mamopay.com/manage_api/v1/subscriptions/
Cancels an existing recurring payment. This is NOT to unsubscribe a customer from a recurring payment that they have subscribed to. This deletes a previously created subscription for a business.
PRODUCTION: https://business.mamopay.com/manage_api/v1/subscriptions/{subscriptionId}
SANDBOX: https://sandbox.dev.business.mamopay.com/manage_api/v1/subscriptions/{subscriptionId}