# Get invoices Download invoices. Endpoint: POST /external/downloadInvoices Version: 0.0.1 Security: ## Header parameters: - `x-app-id` (string) Encoded customer identifier. Example: "2ZMEEX2otslHtRRgzQC0tPVwbasC23455vx0k=" ## Query parameters: - `downloadFormat` (string) Format to download in (e.g. PDF, XLSX). Example: "XLSX" - `confirmationId` (string) Payment confirmation id. Example: "kevsdkxb" ## Response 400 fields (application/problem+json): - `errors` (array) Example: ["An error occured"] ## Response 401 fields (application/problem+json): - `errors` (array) Example: ["An error occured"]