Invoice export for Maventa

Invoices can be exported to the Maventa e-invoicing system. Invoices are sent in accordance with the PEPPOL standard. The export must be configured by Opter.Contact for more information.

In order to export the invoices, you must have an account with Maventa, an API user ID and an API key. Contact Maventa if you need help in obtaining the details.

Step 1: Create an invoice export in Opter

Click on Economy > Invoices > Invoice export and create a new invoice export by clicking on .

The following fields must be filled in on the General tab:

Name: for example “Maventa”.
Type: XmlSerializer.
Encoding: UTF-8.
One file per invoice:
PDF embedded in xml base data (base64):

The following fields must be filled in on the File transfer tab:

Method: Maventa API
Client identity: API user identity from Maventa.
Client key: the API key from Maventa.

Click on to save all changes.

Step 2: Insert the transform on the invoice export

This step is ordered by Opter. Contact for more information.

Step 3: Translate Opter’s VAT codes

The VAT codes are defined in the PEPPOL standard, so the VAT codes in Opter need to be adapted in order to export the invoices. For information about VAT codes, see https://docs.peppol.eu/poacc/billing/3.0/codelist/UNCL5305/.

Go to the Codes tab and select Tax rates from the drop-down list. Then enter the VAT codes as set out in the PEPPOL standard in the Code column for each of the VAT rates available in Opter.

Step 4: Add the invoice export in the invoice export settings

Click on Economy > Invoices > Invoice export settings and select “Maventa” (or the name you gave the invoice export) for the configurations that will generate an export to Maventa.

Step 5: Export to Maventa

The invoice information can be exported from Opter when closing an invoice period, or subsequently when choosing whether to export entire invoice periods or individual invoices. The invoice is exported as XML in accordance with the PEPPOL standard and created in Maventa.