# Posts a new voucher for a specified client.

Endpoint: POST /api/v1/clients/{clientId}/voucher
Version: 1
Security: , , , 

## Path parameters:

  - `clientId` (string, required)
    The unique identifier of the client to which the voucher will be posted.

## Request fields (application/json):

  - `voucherSeriesNumber` (string)

  - `valueDate` (string,null)

  - `autoUpdate` (boolean)

  - `batchDescription` (string,null)

  - `lines` (array, required)

  - `lines.debitAccountNumber` (integer)

  - `lines.creditAccountNumber` (integer)

  - `lines.matchingReference` (string,null)

  - `lines.units` (array)

  - `lines.units.unitId` (string, required)
    The unit ERP field name.

  - `lines.units.unitOptionValueId` (string, required)
    The option value.

  - `lines.description` (string,null)

  - `lines.bookingDate` (string,null)

  - `lines.externalId` (string,null)

  - `lines.currency` (string,null)

  - `lines.currencyNo` (integer,null)

  - `lines.amountDomestic` (number,null)

  - `lines.amountInCurrency` (number,null)

  - `lines.amountInCurrency2` (number,null)

  - `lines.exchangeRate` (number,null)

  - `lines.externalReference2` (string,null)

  - `lines.exchangeRate2` (number,null)

  - `lines.currencyNo2` (integer,null)

  - `lines.voucherType` (string,null)

  - `lines.additionalText` (string,null)

  - `lines.invoiceNumber` (string,null)

  - `lines.archiveReference` (string,null)

  - `lines.cid` (string,null)

  - `origin` (string)
    Enum: "Manually", "Ocr", "DirectPayment", "ExternalApplication"

  - `attachmentReference` (string,null)

## Response 200 fields (application/json):

  - `errorMessage` (string)

  - `voucherNumber` (string)

  - `batchId` (string)