action rebilly_get_customer_upcoming_invoice_collection { label: "Retrieve customer's upcoming invoices" description: "Retrieve a list of upcoming invoices from the subscriptions which belong to. the given customer.\nThe endpoint is temporary before upcoming invoices get a complete integration.\n" provider: rebilly method: GET path: "/customers/{id}/upcoming-invoices" encoding: json output: { type: "array" items: { type: "object" } } }