Connects a WooCommerce shop to Denár, invoicing and bank
reconciliation for the Slovak market. The plugin holds no invoicing logic of
its own: numbering, VAT, PDF, PAY by square QR payments and e-invoicing
(Peppol, mandatory in Slovakia from 2027) happen in Denár, the shop only sends
orders and listens to webhooks.

Bank transfer: a proforma with PAY by square is issued when the order is placed, with the order number as the variable symbol. Once Denár pairs the payment from the bank, the order moves to Processing and the invoice is issued from the proforma.
Card and payment gateways: the invoice is issued and marked paid right away.
Cash on delivery: the invoice is issued when the order is completed.
Refunds: a credit note to the invoice, for the refunded lines or the refunded amount.
Cancelled orders: an unpaid proforma is cancelled.
Invoice in e-mail: the completed order e-mail carries the invoice PDF from Denár.
Coupons become a document discount, shipping and fees are lines; company details (IČO, DIČ, IČ DPH) are read from the common _billing_ic / _billing_dic / _billing_dic_dph fields; EU reverse charge and export from the px-shop-core company module.
Every document is checked against the order total – a document whose total differs (rounding of prices with VAT) stays a draft instead of being issued with a wrong amount.
The order screen lists the documents with a PDF download; “Send to Denár again” retries after a fix.
Runs in the background (Action Scheduler) with retries – the checkout never waits for Denár.
Compatible with HPOS and the block checkout.

A Denár account with API access is required – plans Firma and Profi, and the free trial. Sign up at denar.sk.

External services

This plugin connects to the Denár API (https://api.denar.sk/v1, operated by
Pixeler s. r. o., Slovakia), the invoicing service the shop uses to issue its
documents. Without it the plugin does nothing.

When the administrator clicks “Check connection”, the plugin sends the API
key and receives the name and tax identifiers of the connected organization.
When an order is to be invoiced, the plugin sends the order data needed on
an invoice: order number, items, prices, taxes, shipping, payment method and
the customer’s billing details (name, company, company and VAT
identification numbers, address, e-mail, phone). The shop’s own data is
sent under its API key.
Denár sends webhooks back to the shop (document paid, cancelled); those
carry document data, not personal data beyond what the shop sent.

Nothing is sent before the administrator enters an API key.

Denár for WooCommerce

External services