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

POP is the ideal API plugin to manage electronic invoicing directly from your WooCommerce and WordPress e-commerce. With POP, you can automatically generate electronic invoices in XML format, ready to be sent to the tax authorities, your accountant, or integrated with external accounting and automation services. Designed to simplify the tax management process for your e-commerce, POP supports sales worldwide, ensuring full compliance with European regulations. What can POP do for you? Features available in the free version of POP: Electronic Invoicing

• Automatic generation of electronic invoices in XML and PDF format for all received orders
• Up to 20 fiscal documents per month included in the free plan
• Manual download of invoices in PDF or XML format
• Saving of XML files in a local folder on your site
• Customization of PDF templates with logo and footer text

Tax Management

• Support for tax management of customers in the European Union, and non-EU countries
• Configuration of tax regimes and VAT treatments
• Regulatory references for exempt transactions

Verification and Data Control

• Automatic verification of Tax Code and VAT number through the European VIES system
• Custom configuration of invoicing fields: VAT number, Tax Code, Unique Code, and more

Document Numbering and Configuration

• Customized numbering of invoices with prefix, suffix, and annual progressive reset
• Setting the progressive number for invoices, credit notes, and receipts
• Automatic deactivation of document generation with a zero total
• Exclusion of products with a zero total from invoices

Management and Reporting

• Filters for managing invoices by date, document type, and order status (completed, processing, refunded)
• Search invoices by order number or invoice number
• Full integration with WooCommerce
• No installation limits or integration restrictions with other CMS and management systems

POP API and Integrations With the new release, the integrations of POP previously available as add-ons are now directly included in the core of the plugin. Full integrations with the most widely used accounting software are available within the "Pro" plan (to be selected during account configuration). Thanks to these integrations, you can automate the entire electronic invoicing process, greatly simplifying the tax management of your e-commerce. Invoice Options With POP, you can customize invoice management by handling:

• Invoice prefix and suffix
• Automatic progressive numbering
• Custom fields for Unique Code, Tax Code, and more
• Automatic sending of PDF invoices via email upon order completion
• Invoice display in HTML format

Supported Payment Methods POP supports several payment methods

• Cash
• Bank Transfer
• Check
• Payment Cards
• SEPA Direct Debit

Discover what you can do with POP premium plans: Growth Plan – For growing e-commerce

• Generation of Credit Notes: Easily create and manage credit notes in XML or PDF format.
• XML saving on a remote FTP server: Automatically archive invoices on an external server for safer management.
• Bulk download of XML documents (ZIP): Quickly download multiple documents in a single compressed file. Pro Plan – For companies with high volumes
• Management of reverse charge: Automate reverse charge operations in compliance with European regulations.
• Integrations with accounting software: Automatically send invoices directly from your e-commerce to your accounting software. Enterprise Plan – For software houses and large companies
• Custom solutions and dedicated support for companies with high volumes and specific compliance requirements.
• Advanced features tailored for medium and large enterprises, with options for custom configurations and priority support.

Compatibility POP is compatible with the latest versions of WordPress and WooCommerce:

• WooCommerce: up to version 9.x.x
• PHP: 5.6 or higher
• WordPress: 4.6 or higher We recommend using WordPress 6.x.x and WooCommerce 7.x.x for optimal performance. 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. 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. POP is born from direct experience. It is designed to be clear, reliable, and perfectly integrated into your daily workflow. We can’t make compliance sexy, only easier.

Contributions "POP – European electronic invoicing for e-commerce (ex-WooPop)" is open source software. Contribute to its development to continuously improve the plugin!

This section describes how to install and run the plugin.

1. Upload the 'woopop-electronic-invoice-free' folder to the /wp-content/plugins/ directory.
2. Activate POP – European electronic invoicing for e-commerce (ex-WooPop) from the WordPress 'Plugins' page.

6.0.4 - 10/03/2025 Fix: code work flow for attachment PDF Improved: invoice date, added custom meta to set date for processing status 6.0.3 - 07/03/2025 Fix: allowed addon request Add: button for update allowed addon data from level 6.0.2 - 03/03/2025

• Fix: request api

6.0.1 - 28/02/2025

• Fix: getCurrentLanguage error

6.0.0 - 27/02/2025

• Starting from this version, the Pro version has been fully integrated into the core plugin. This means a single, more powerful solution with all features included by default.

3.3.4 - 23/01/2025

• Add: POP customer notifications

3.3.3 - 28/10/2024

• Fix: string localization

3.3.2 - 11/10/2024

• Update version

3.3.1 - 18/11/2023

• Fix: toggleBillingCompany (receipt and reset event)

3.3.0 - 17/10/2023

• Add: XML tag ScontoMaggiorazione for discount
• Add: Support for High-Performance Order Storage
• Fix: choiceType method, icon for receipt (credit note)
• Fix: admin style

3.2.2 - 11/09/2023

• Fix: checkout validation (conditions)
• Fix: checkout process (conditions)

3.2.1 - 08/07/2023

• Fix: checkout invoice type empty check
• Fix: tax code billing field validation for association
• Fix: billing fields HTML Injection
• Add: support for WooCommerce 7.8.x

3.2.0 - 02/01/2023

• Fix: minor fix
• Add: support for WooCommerce 7.2.x
• Improve: moved general invoice options

3.1.3 - 28/11/2022

• Fix: sprintf() arguments

3.1.2 - 27/11/2022

• Fix: minor fix
• Add: support for WordPress 6.1.x
• Add: support for WooCommerce 7.1.x

3.1.1 - 28/10/2022

• Add: support for WooCommerce 7.x.x

3.1.0 - 20/10/2022

• Fix: wcOrderClassName class name check
• Add: support payment_method igfs Credit Card (PagOnline Imprese)

3.0.4 - 10/10/2022

• Fix: billing_company required if customer type is "company"
• Dev: Add filter hook invoice Field args "billing_invoice_field_args"

3.0.3 - 14/09/2022

• Add: support for WooCommerce 6.9.x
• Add: information and controls for the main options to configure

3.0.2 - 24/07/2022

• Fix: create xml query bug
• Add: support for WooCommerce 6.7.x

3.0.1 - 15/07/2022

• Fix: create pdf
• Fix: create pdf generate limit

3.0.0 - 24/06/2022

• Add: support for WordPress 6.0.x
• Add: support for WooCommerce 6.6.x
• Add: Download of XML invoices for the last 5 orders
• Fix: various style fix

2.0.4 - 25/05/2022

• Fix: list order XmlOrderListTable (unset order) if Invoice order not sent and order total is equal total refunded or order total is zero
• Add: support payment_method soisy
• Add: payment method info in the invoice table

2.0.3 - 24/05/2022

• Fix: filter_var support for PHP >= 8.1

2.0.2 - 22/05/2022

• Fix: optimization code and clear unnecessary
• Fix: filter_input, filter_var filter for PHP >= 8.1

2.0.1 - 21/05/2022

• Fix: Error due to missing file vendor

2.0.0 - 20/05/2022

• Dev: autoload psr-4
• Update: admin style
• Add: support for WooCommerce 6.5.x
• Add: support for WordPress 5.9.x

1.3.3 - 17/11/2021

• Fix: minor fix.
• Add: support for WooCommerce 5.9.x
• Add: support for WordPress 5.8.x

1.3.2 - 01/09/2021

• Add: support for WooCommerce 5.6.x
• Add: support for WordPress 5.8.x

1.3.1 - 12/05/2021

• Fix: minor fix and update description.

1.3.0 - 08/05/2021

• Add: support for WooCommerce 5.2.x
• Add: support for WordPress 5.7.x

1.2.0 - 30/03/2020

• Fix: support for WooCommerce 4.0.0

1.1.1 - 05/06/2019

• Fix: check on vat if you choose the receipt

1.1.0 - 08/05/2019

• Add: Receipt PDF template
• Add: Option to choose the type of document (invoice or receipt) in the checkout
• Tweak: Order/invoice list table layout

1.0.0

• Initial release