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GET
List Invoices
Base URL: https://api.nozle.app/engine/api/v1. List a customer’s invoices, newest first. The response holds at most 50 invoices and has no pagination. It returns the invoices Core’s API shows, other than drafts: finalized, voided, failed and pending. Invoices still being generated are not returned. Whether an invoice is paid is in payment_status, not in status. Only the live customer with this customer_id counts: a new customer that reuses a deleted customer’s external ID does not see the deleted customer’s invoices. Auth: secret key only. Publishable keys are always rejected.
string
required
External customer ID derived by the trusted merchant backend.

Response

Returns an object with an invoices array. The array is empty when the customer has no invoices.
A missing customer_id returns 400. A database failure returns 500.