Envoqon Software

<p>Create professional invoices and quotes with this flexible and well-supported WordPress plugin.</p>
<p>Efficient invoice system that makes your business more profitable and scales with your business.</p>
<ul>
<li>Accept full and partial payments</li>
<li>Automatically adds PDF versions of your invoices as attachment to customers</li>
<li>Full-featured inventory management capabilities let you easily add & edit products</li>
<li>Get fantastic support</li>
</ul>
<p><a href="https://expertinvoice.envoqon.com/demo" rel="nofollow ugc">Live Demo</a></p>
<h4>Invoices</h4>
<p>Invoice in any currency. Set custom Terms & Conditions for Invoices. Clone existing Quotes & Invoices. Flexible tax settings.</p>
<h4>Quotes</h4>
<p>Quote in any currency. Create beautiful estimates for your clients in minutes — not hours. Put private comments in Quotes</p>
<h4>Payment Integration</h4>
<p>Send Quotes and Invoices and get paid online. Online Invoice payments with PayPal Checkout (or paid extension). Offline payment methods (Cash & Cheques)</p>
<h4>Customizable</h4>
<p>Customizable email templates including subject and content. Customize templates using CSS, add your logo and business details to Invoices & Quotes.</p>
<h4>Reporting</h4>
<p>Real-time detailed sales analysis to give you answers to your sales questions. Tax reporting, quotes reporting, low level stock reporting etc.</p>
<h4>Excellent Support</h4>
<p>Our support is fantastic. If you need a feature that is not available, no worries, just ask and we will see if we can add it to a future release.<br />
It comes with full <a href="https://expertinvoice.envoqon.com/help/" rel="nofollow ugc">documentations</a>.</p>
<h4>Additional Addons</h4>
<p>Get more out of Expert Invoice by using the following addons to enrich your invoice system..<br />
* <strong>Report Module</strong> – Generate insightful reports.<br />
* <strong>PayPal Module</strong> – Let your customers invoices and quotes online using PayPal.</p>
<p><a href="https://expertinvoice.envoqon.com/" rel="nofollow ugc">Get more addons</a></p>
<p>Watch this <strong>short video</strong> to see how easy it is to add invoice.</p>
<span class="embed-youtube" style="text-align:center; display: block;"><iframe loading="lazy" class="youtube-player" width="560" height="315" src="https://www.youtube.com/embed/cZ4GjVpJdL0?version=3&rel=0&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe></span>


Expert Invoice

A feature-packed and flexible invoicing system.

Mirco Babini

Alfio Piccione

<p>POP is the ultimate plugin for EU e-invoicing on WooCommerce, Paid Memberships Pro and Cozmos PMS.<br />
Currently supporting Italy, San Marino, Spain and Belgium, POP is designed for full compliance with national and European e-invoicing standards – and is continuously expanding its coverage across new EU markets.<br />
POP automates the entire process: invoice generation, XML invoice creation, delivery to interchange systems and certified archiving of your fiscal documents, including XML digital invoices, PDF e-invoices, credit notes and fiscal receipts – fully compliant with European regulations.<br />
With the latest update, POP supports direct submission to the Italian Exchange System (SdI) and integration with the PEPPOL network for Belgium, where structured e-invoicing becomes mandatory for all VAT-registered businesses starting January 1st, 2026, ensuring secure and interoperable e-invoicing across borders.<br />
POP is also available for Shopify here: <a href="https://apps.shopify.com/pop-european-invoicing" rel="nofollow ugc">apps.shopify.com/pop-european-invoicing</a></p>
<h4>What can POP do for you?</h4>
<p>POP is available in four plans (Free, Growth, Pro, and Enterprise). To learn more about the features of the paid plans, visit our website at this link <a href="https://popapi.io/en/prices/" rel="nofollow ugc">https://popapi.io/en/prices/</a>. Below are the features available with the Free plan.</p>
<h4>Document Generation & Delivery</h4>
<ul>
<li>Automatic generation of electronic invoices in XML and PDF format for all received orders</li>
<li>Up to 20 fiscal documents per month included in the free plan</li>
<li>Manual download of invoices in PDF or XML format</li>
<li>Saving of XML files in a local folder on your site</li>
<li>Customization of PDF templates with logo and footer text</li>
</ul>
<h4>Tax Management</h4>
<ul>
<li>Support for tax management of customers in the European Union, and non-EU countries</li>
<li>Configuration of tax regimes and VAT treatments</li>
<li>Regulatory references for exempt transactions</li>
</ul>
<h4>Verification and Data Control</h4>
<ul>
<li>Automatic verification of Tax Code and VAT number through the European VIES system</li>
<li>Custom configuration of invoicing fields: VAT number, Tax Code, Unique Code, and more</li>
</ul>
<h4>Document Numbering and Configuration</h4>
<ul>
<li>Customized numbering of invoices with prefix, suffix, and annual progressive reset</li>
<li>Setting the progressive number for invoices, credit notes, and receipts</li>
<li>Automatic deactivation of document generation with a zero total</li>
<li>Exclusion of products with a zero total from invoices</li>
</ul>
<h4>Management and Reporting</h4>
<ul>
<li>Filters for managing invoices by date, document type, and order status (completed, processing, refunded)</li>
<li>Search invoices by order number or invoice number</li>
<li>Full integration with WooCommerce</li>
<li>No installation limits or integration restrictions with other CMS and management systems</li>
</ul>
<h4>POP API and Integrations</h4>
<p>All integrations that were previously offered as paid add-ons —including automatic interchange system dispatch, qualified electronic signature and certified digital preservation— are now built directly into the core of the plugin under paid plans. Full connectors to the most widely used accounting software are also bundled. Thanks to these built-in capabilities, you can automate your entire electronic invoicing workflow —from XML generation and signing through direct dispatch to the interchange system and long-term legal archiving— greatly simplifying tax management for your e-commerce.</p>
<h4>Invoice Options</h4>
<p>With POP, you can customize invoice management by handling:</p>
<ul>
<li>Invoice prefix and suffix</li>
<li>Automatic progressive numbering</li>
<li>Custom fields for Unique Code, Tax Code, and more</li>
<li>Automatic sending of PDF invoices via email upon order completion</li>
<li>Invoice display in HTML format</li>
</ul>
<h4>Supported Payment Methods</h4>
<p>POP supports several payment methods</p>
<ul>
<li>Cash</li>
<li>Bank Transfer</li>
<li>Check</li>
<li>Payment Cards</li>
<li>SEPA Direct Debit</li>
</ul>
<h4>Compatibility</h4>
<p>POP is compatible with the latest versions of WordPress and WooCommerce:<br />
* WooCommerce: up to version 9.x.x (HPOS-compatible)<br />
* PHP: 5.6 or higher<br />
* WordPress: 4.6 or higher</p>
<p>We recommend using WordPress 6.x.x and WooCommerce 9.x.x for optimal performance.<br />
We understand how frustrating it can be to navigate complex tax regulations, cumbersome tools, and the fear of making costly mistakes. We’ve been there too. It is precisely from these daily challenges that POP was born: a practical solution to real problems.<br />
We didn’t want just another software. We wanted a simple, immediate, and truly useful solution. A way to automate tax management, reduce time wastage, and make room for the growth of your business, without the burden of bureaucracy.<br />
POP is born from direct experience. It is designed to be clear, reliable, and perfectly integrated into your daily workflow.<br />
We can’t make compliance sexy, only easier.</p>
<h4>Contributions</h4>
<p>“POP – European electronic invoicing for e-commerce (ex-WooPop)” is open source software.<br />
Contribute to its development to continuously improve the plugin!</p>
<h3>F.A.Q.</h3>
<h4>Is the POP plugin free?</h4>
<p>Yes, POP offers a free version which includes 20 API credits per month. One API credit allows you to generate a fiscal document. To have more credits available and access advanced features, it is necessary to activate a paid plan.</p>
<h4>Can I automatically send invoices to tax authorities?</h4>
<p>Yes, with the Growth plan you can integrate POP with the italian tax authorities system, automating the sending of electronic invoices directly from your e-commerce.</p>
<h4>Is it possible to customize invoices generated with POP?</h4>
<p>Certainly! You can customize the PDF invoice template by adding your company logo and custom footer text. Furthermore, it is possible to configure invoice prefix, suffix, and progressive numbering.</p>
<h4>Does POP support invoicing for foreign customers?</h4>
<p>Yes, POP is designed to support tax management for customers within the European Union as well as worldwide sales, in compliance with current regulations.</p>
<h4>Is it possible to generate Credit Notes with POP?</h4>
<p>Yes, starting from the Growth plan, you can generate and manage Credit Notes in XML or PDF format directly from the plugin.</p>
<h4>Does the plugin offer customer support?</h4>
<p>Yes. For support requests, you can contact us directly via the support link in the plugin or open a ticket from our official website.</p>
<h3>Requirements</h3>
<p>PHP: >= 5.6<br />
WordPress: >= 4.6</p>


POP – Free European electronic invoicing for e-commerce (ex-WooPop)

Thanks for helping me during the onboarding by answering all of my questions. I feel a weight lifted off my shoulders.

Electronic invoicing compliance plug&play + fast support

Automate electronic invoicing for WooCommerce: generate XML & PDF invoices, send to tax interchange systems, ensure EU compliance, invoicing API.

Expert Invoice vs POP – Free European electronic invoicing for e-commerce (ex-WooPop)