Automatically creates a Swiss QR-bill invoice in Tellbill for every WooCommerce order, and marks the order paid once the invoice is settled.

swissplugins

Swiss QR Bill

Swiss QR Bill extends WooCommerce with a new payment method, allowing you to easily send automated and standardized Swiss QR bills to your clients.

suryayousufzai

Swiss Business Suite

All-in-One WordPress solution for Swiss SMEs: Multilingual (DE/FR/IT/EN) + Booking System + Swiss QR-Bill Invoice Generator.

tellbill

<a href="https://tellbill.ch" rel="nofollow ugc">Tellbill</a> is a Swiss invoicing service: QR-bill invoices (ISO 20022), automatic payment reminders, bank reconciliation and credit notes. This plugin connects your WooCommerce shop to your Tellbill account.
What it does
<ul>
<li>When an order reaches the trigger status you choose (default: “Processing”), the plugin calls the Tellbill API and creates the matching invoice — with a Swiss QR code — then (optionally) emails it to your customer.</li>
<li>The Tellbill invoice number is displayed in the orders list and in the order notes.</li>
<li>Payment sync (optional): when the customer pays the QR-bill, Tellbill notifies WooCommerce through a signed webhook and the order is automatically marked as paid (stock, downloads, etc.).</li>
<li>Refunds: a WooCommerce refund automatically creates the matching credit note in Tellbill (VAT included; full refund = full credit note).</li>
<li>Duplicate-safe: each order is sent with a unique identifier (<code>external_id = "wc_<order id>"</code>). If the same order is sent twice (double status change, network retry), Tellbill returns the existing invoice instead of creating a duplicate.</li>
</ul>
Requirements: a Tellbill account (https://tellbill.ch) and an API key.
Which trigger status should you choose?
<ul>
<li>Invoice-based selling (very common in Switzerland: the customer receives the goods, then pays within X days): trigger “Processing” or “Completed”. The invoice carries your payment term; if the customer is late, Tellbill sends reminders automatically.</li>
<li>Prepayment by QR-bill (the customer pays before you ship): enable the “Direct bank transfer” gateway so the order lands in “On hold”, and set the trigger to “On hold”. The customer receives the QR-bill, pays, then you ship.</li>
<li>Paid online (card at checkout): trigger “Processing” — the Tellbill invoice then serves as a receipt and accounting record.</li>
</ul>
<h3>External services</h3>
This plugin communicates with the Tellbill API (https://tellbill.ch) — the invoicing service it connects to; that is its sole purpose. No data is sent until you configure your API key.
Data transmitted to the Tellbill API (https://tellbill.ch/api/v1, or the URL you configure):
<ul>
<li>When an invoice is created (order reaching the trigger status): the customer’s billing details (name, email, address), the order lines (item names, quantities, prices) and the order number.</li>
<li>When a refund is issued: the refunded amount and the refund reason.</li>
<li>When you click “Test connection”: only your API key is transmitted (as a header).</li>
</ul>
This data is required to issue the invoices. It is processed by Tellbill according to its terms of service and privacy policy:
<ul>
<li>Terms of service: https://tellbill.ch/cgu</li>
<li>Privacy policy: https://tellbill.ch/confidentialite</li>
</ul>
<h3>Translations</h3>
The plugin ships with German (de_DE, de_CH), Italian (it_IT) and English (en_US, en_GB) translations — the four Swiss business languages are covered out of the box. Source strings are in French (built for the Swiss market). A <code>.pot</code> template is bundled in <code>/languages</code> for any additional language.

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