> ## Documentation Index > Fetch the complete documentation index at: https://developer.jtl-software.com/llms.txt > Use this file to discover all available pages before exploring further. # SalesInvoice > A sales invoice: the bill for the goods and services of one or more sales orders. A draft has no number and can be edited; a finalized invoice is binding and is changed only by cancelling it or by a correction. Line items are read with "QuerySalesInvoiceLineItemsBySalesInvoiceId". Payment state and amounts are read with "GetSalesInvoicePaymentBalance". **Kind**: `object` ## Fields **`id`**: `ID!` The ID of the sales invoice. --- **`number`**: `String` The invoice number. Absent for a draft. --- **`status`**: `SalesInvoiceStatus!` Where the invoice stands: DRAFT, FINALIZED or CANCELLED. --- **`isExternal`**: `Boolean!` Whether the invoice was created outside the ERP and only recorded here. --- **`invoiceDate`**: `DateTime!` The invoice date. --- **`valueDate`**: `DateTime!` The date from which the payment term runs. --- **`serviceDateFrom`**: `DateTime` The start of the delivery or service period. --- **`serviceDateTo`**: `DateTime` The end of the delivery or service period. --- **`createdAt`**: `DateTime!` When the invoice was created. --- **`createdBy`**: `ID` The user who created the invoice. --- **`createdByName`**: `String` The name of the user who created the invoice. --- **`companyId`**: `ID` The company that issued the invoice. --- **`companyName`**: `String` The name of the company. --- **`customerId`**: `ID` The ID of the customer. --- **`customerNumber`**: `String` The customer number as recorded on the invoice. --- **`customerGroupName`**: `String` The name of the customer group as recorded on the invoice. --- **`accountsReceivableNumber`**: `Int` The accounts receivable number of the customer. --- **`vatId`**: `String` The VAT ID on the invoice. --- **`salesChannelId`**: `ID!` The sales channel the invoice belongs to. Tenant-local, composite identifier, not a UUID. Valid values are listed by the sales channel endpoint (GET). --- **`salesChannelName`**: `String` The name of the sales channel. --- **`languageTag`**: `String` The language of the invoice as BCP 47 language tag, for example de or de-AT: language subtag in lower case, region subtag in upper case. Wawi currently holds only the two-letter language subtag. --- **`currencyCode`**: `String!` The currency of the invoice as ISO 4217 code. --- **`taxTreatment`**: `String!` How the invoice is taxed, with the values of the tax treatment of the taxes API: TAXABLE, INTRA_COMMUNITY_DELIVERY, REVERSE_CHARGE or EXEMPT. New values can be added; treat an unknown value as unknown. --- **`paymentMethodId`**: `ID` The ID of the payment method. --- **`paymentMethodName`**: `String` The name of the payment method. --- **`shippingMethodId`**: `ID` The ID of the shipping method. --- **`shippingMethodName`**: `String` The name of the shipping method. --- **`billingAddress`**: `SalesAddress!` The billing address. A copy: changing the customer does not change it. --- **`shipmentAddress`**: `SalesAddress!` The address the goods are shipped to. A copy. --- **`paymentTerms`**: `SalesInvoicePaymentTerms!` The payment terms. --- **`salesOrders`**: `[SalesInvoiceSalesOrderReference!]!` The sales orders the invoice was created for. --- **`externalSalesOrderNumber`**: `String` The order number of the external system. --- **`lastShippingDate`**: `DateTime` The date of the last shipment of the goods. --- **`note`**: `String` An internal note on the invoice. --- **`customerComment`**: `String` A comment of the customer. --- **`printText`**: `String` A text printed on the invoice. --- **`netTotal`**: `Decimal!` The net total; never negated, so a normal invoice is not negative. --- **`grossTotal`**: `Decimal!` The gross total; never negated, so a normal invoice is not negative. --- **`printedAt`**: `DateTime` When the invoice was last printed. --- **`mailedAt`**: `DateTime` When the invoice was last sent by mail. --- **`hasCorrection`**: `Boolean!` Whether a correction of the invoice exists that is not cancelled. --- **`correctionGrossTotal`**: `Decimal!` The gross total of the corrections that are not cancelled. --- **`isArchived`**: `Boolean!` Whether the invoice is archived. --- **`isDunningBlocked`**: `Boolean!` Whether dunning is blocked for the invoice. It is changed with the dunning block of the invoice. --- **`dunningLevel`**: `Int` The current dunning level; absent when the invoice was not dunned. --- **`dunnedAt`**: `DateTime` When the invoice was last dunned. --- **`salesInvoiceCancellationId`**: `ID` The ID of the cancellation document. Only when the invoice is cancelled. --- **`cancellationReasonId`**: `ID` The ID of the cancellation reason, the same ID the cancel input takes; the reason is read by this ID from the cancellation reasons of sales invoices. Only when the invoice is cancelled; Wawi stores 0 when no reason was given, returned as null. The reason may have been deleted since (the cancellation keeps the ID), then the ID no longer resolves. --- **`cancellationReason`**: `String` The name of the cancellation reason. Only when the invoice is cancelled. --- **`cancellationComment`**: `String` The comment on the cancellation. Only when the invoice is cancelled. --- **`cancelledBy`**: `ID` The user who cancelled the invoice. Only when the invoice is cancelled. --- **`cancelledByName`**: `String` The name of the user who cancelled the invoice. --- **`cancelledAt`**: `DateTime` When the invoice was cancelled. Only when the invoice is cancelled.