> ## 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.

# ApproveIncomingInvoiceCommandRequestInput

> Approves an incoming invoice for payment. Payments can only be recorded, changed or deleted while the invoice is approved. Approving an approved invoice changes nothing. Independent of posting. - Request



**Kind**: `input`

## Fields

**`incomingInvoiceId`**: `ID!` (required)

The ID of the incoming invoice.

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**`idempotencyKey`**: `String`

Client-supplied idempotency key. When provided, a repeated request with the same key and payload replays the original result instead of re-executing the mutation.