List all invoice items

GET /api/invoice-items?invoice_id={invoice_id}

Invoice items can only be returned for a particular invoice.
Therefore invoice_id is a mandatory parameter.

<?xml version="1.0" encoding="UTF-8"?>
<invoice-items type="array" page="1" per_page="100" total="2">
    <invoice-item>
        ...
    <invoice-item>
    <invoice-item>
        ...
    <invoice-item>
</invoice-items>

Get a single item

GET /api/invoice-items/{id}
<?xml version="1.0" encoding="UTF-8"?>
<invoice-item>
    <id type="integer">1</id>
    <article_id type="integer">123</article_id>
    <invoice_id type="integer">1</invoice_id>
    <position type="integer">1</position>
    <unit>Stück</unit>
    <quantity type="float">5.2</quantity>
    <unit_price type="float">10.0</unit_price>
    <tax_name>MwSt</tax_name>
    <tax_rate type="float">19.0</tax_rate>
    <title>Business cards</title>
    <description>Wonderful 4c business cards</description>
    <total_gross type="float">49.98</total_gross>
    <total_net type="float">42.0</total_net>
    <reduction>10</reduction>
    <total_gross_unreduced type="float">61.88</total_gross_unreduced>
    <total_net_unreduced type="float">52.0</total_net_unreduced>
</invoice-item>

Create item

POST /api/invoice-items

Invoice items can only be created for invoices with draft status (DRAFT).

XML elementDescriptionTypeDefault valueMandatory
invoice_idID of the invoiceINTyes (except for creation of an invoice)
article_idID of the article, sets additionally the values from the article on creationINT
unitUnitALNUM
quantityQuantityFLOAT0.0
unit_pricePrice per unitFLOAT0.0
tax_nameName of the taxALNUMDefault tax rate
tax_raterate of taxationFLOATDefault tax rate
titleTitleALNUM
descriptionDescriptionALNUM
reductionReduction (absolute or percent: 10/10%)ALNUM
typeType (product/service)ENUM (PRODUCT/SERVICE)

The line item is added to eventual already existing positions.

<invoice-item>
    <invoice_id>1</invoice_id>
    <unit>piece</unit>
    <quantity>5.2</quantity>
    <unit_price>10.0</unit_price>
    <tax_name>MwSt</tax_name>
    <tax_rate>19.0</tax_rate>
    <title>Business cards</title>
    <description>Wonderful 4c business cards</description>
</invoice-item>
<?xml version="1.0" encoding="UTF-8"?>
<invoice-item>
    <id type="integer">1</id>
    <article_id />
    <invoice_id type="integer">1</invoice_id>
    <created>2007-12-13T12:12:00+01:00</created>
    <position type="integer">1</position>
    <unit>Piece</unit>
    <quantity type="float">5.2</quantity>
    <unit_price type="float">10.0</unit_price>
    <tax_name>MwSt</tax_name>
    <tax_rate type="float">19.0</tax_rate>
    <title>Business cards</title>
    <description>Wonderful 4c Business cards</description>
    <total_gross type="float">61.88</total_gross>
    <total_net type="float">52.0</total_net>
</invoice-item>

Edit item

PUT /api/invoice-items/{id}

Here the same parameters apply as for creating, however, the associated invoice (invoice_id) can not be changed.
Invoice items can be edited only for invoices with draft status (DRAFT).

<invoice-item>
    <unit>hour</unit>
    <quantity>8.5</quantity>
</invoice-item>

Delete item

DELETE /api/invoice-items/{id}

When deleting an invoice item, position of the remaining positions is reassigned (without changing the sorting) to fill the resulting gap.
Invoice items can be deleted only for invoices with draft status (DRAFT).