WooCommerce Peppol E-Invoicing (EU)

Key Features

Generates Peppol BIS Billing 3.0 (EN 16931) invoices from WooCommerce orders automatically on a configurable order-status transition via the woocommerce_order_status_changed hook

Produces standards-compliant UBL 2.1 XML with schematron validation; invalid documents are blocked and flagged in wp-admin before any transmission

Delivers through your nominated certified Peppol Access Point over the SMP/SML network with Participant Identifier (endpoint ID) resolution

Supports both B2B and B2G recipients, including government endpoint routing and buyer-reference (BT-10) handling

Maps WooCommerce tax classes to EN 16931 VAT category codes (standard, reduced, zero-rated, reverse-charge, exempt) per country rule

Full HPOS / custom order tables compatibility, plus legacy post-meta order storage support

WP-Cron-based retry queue with exponential backoff so a momentarily unreachable Access Point never loses an invoice

Order-level admin controls: send, resend, view delivery status, and download the UBL XML and a human-readable PDF rendering

Persistent delivery log (custom table) recording transmission ID, timestamp, recipient endpoint, and Access Point response for audit

Configurable wp-admin settings screen for seller identifiers, Access Point endpoint and credentials, number ranges, and trigger statuses

WPML and WordPress multisite aware — correct locale, currency, and seller entity per site/store

Exposes WordPress filters (e.g. ecosire_peppol_invoice_payload) so developers can extend line items, allowances, or charges without core edits

REST endpoint to fetch invoice status programmatically for integration with external ERP or dashboards

Handles credit notes (invoice type code 381) for refunds triggered from WooCommerce order refunds

Built to order, done for you

No DIY setup — a working app, built, installed and supported by ECOSIRE.

You order

Start with a one-time build price. We scope it with you at kickoff.

We build & install

ECOSIRE builds, configures and installs it on your WooCommerce.

Go live + support

You go live in about 2–4 weeks, with a post-launch support window.

About this Product

WooCommerce Peppol E-Invoicing (EU) is a build-to-order WordPress plugin that lets EU sellers issue legally compliant Peppol BIS Billing 3.0 e-invoices straight from their WooCommerce orders — no copy-pasting into a separate portal, no manual UBL editing.

When a qualifying order reaches a configurable status (for example wc-completed or wc-processing), the plugin hooks woocommerce_order_status_changed to generate a UBL 2.1 XML document, validate it against the EN 16931 / Peppol BIS schematron rules, and queue delivery through your nominated certified Peppol Access Point over the SMP/SML network. Failed validations never leave your site — they surface as a clear admin notice on the order screen so your team can fix the buyer's VAT ID or address before sending.

This is not a one-click marketplace download. ECOSIRE builds, installs, and configures the plugin on your WordPress site, wires it to your Access Point credentials, maps your tax classes to the correct EN 16931 VAT category codes, and validates real test invoices end-to-end before go-live. We handle the un-glamorous parts: HPOS / custom order tables compatibility, the Participant Identifier lookup, B2G endpoint routing, and WPML / multisite edge cases.

It is built natively against the WooCommerce REST API, standard WordPress actions/filters, and WP-Cron for retry scheduling — so it upgrades cleanly and a developer can read every line. You get a real wp-admin settings screen, order-level send/resend controls, a delivery log, and downloadable UBL/PDF copies. Honest scope: it generates and transmits invoices — it is not an accounting ledger, and final legal certification of your specific tax setup remains your accountant's call. We deliver in a defined lead time and support it after launch.

What you get

Custom-built WooCommerce Peppol plugin installed and activated on your WordPress site

Configuration of your seller Participant Identifier and certified Access Point credentials

WooCommerce tax-class to EN 16931 VAT category-code mapping for your operating countries

End-to-end validation of test invoices (B2B and, if applicable, B2G) before go-live

wp-admin settings, order-level send/resend controls, and a delivery audit log

Admin handover guide plus developer notes covering the available hooks and filters

Defined post-launch support window with bug fixes and Peppol BIS rule-update patches

Who this is for

EU B2B WooCommerce seller

A merchant selling to business buyers across EU member states who now requires structured e-invoices and wants them issued automatically from existing WooCommerce orders rather than rekeyed into a separate Peppol portal.

Supplier to public bodies (B2G)

A company invoicing government and public-sector buyers that mandate Peppol delivery, needing correct buyer-reference handling and government endpoint routing without building it in-house.

WordPress agency or in-house developer

A technical team that wants a clean, hook-and-filter-based extension that respects HPOS, WP-Cron, and the REST API — readable, extensible, and supported — instead of a brittle one-off script.

How WooCommerce Peppol E-Invoicing (EU) Compares

Criterion	ECOSIRE	Custom Build	Competitor
Peppol BIS 3.0 / EN 16931 invoice generation from WooCommerce orders	Included	Partial support	Partial support
Certified Access Point delivery over SMP/SML wired to your credentials	Included	Partial support	Partial support
Installed, configured, and validated for you on your WordPress site	Included	Included	Not included
HPOS / custom order tables compatibility tested against your stack	Included	Partial support	Partial support
B2G government endpoint routing and buyer-reference handling	Included	Partial support	Not included
WP-Cron retry queue and persistent delivery audit log	Included	Partial support	Partial support
Post-launch support and Peppol-rule update patches	Included	Not included	Partial support
Instant self-service download with no waiting	Not included	Not included	Included

Frequently Asked Questions about WooCommerce Peppol E-Invoicing (EU)

How long until it's live on my site, and how is it delivered?

This is a build-to-order plugin, not an instant download. After we confirm your requirements — operating countries, tax classes, B2B/B2G scope, and your chosen Access Point — typical delivery is around 2 to 4 weeks. ECOSIRE installs and configures the plugin directly on your WordPress site (staging first where available), validates real test invoices end-to-end, then moves it to production. You receive working software on your own site, not a zip to figure out yourself.

What ongoing support and updates are included?

Every build includes a defined post-launch support window covering bug fixes and patches for changes to the Peppol BIS / EN 16931 rule sets and WooCommerce/HPOS compatibility. We monitor for breaking schema updates and ship corrective patches. After the initial window, optional ongoing support and update plans are available so your e-invoicing keeps passing validation as the standards evolve.

Do I need my own Peppol Access Point?

Yes. ECOSIRE builds the WooCommerce side — invoice generation, UBL validation, the admin workflow, and transmission logic — and wires it to a certified Access Point of your choice. We do not act as the Access Point ourselves; you contract one (we can advise on options), and we connect the plugin to your credentials and Participant Identifier during setup.

Is it compatible with HPOS and my existing theme and plugins?

Yes. The plugin is built for WooCommerce High-Performance Order Storage (custom order tables) and also supports legacy post-meta order storage. Because it works through standard WooCommerce hooks, the REST API, and WP-Cron rather than overwriting core files, it coexists cleanly with your theme and other plugins, and we test it against your actual stack before go-live.

Does this make my business legally tax-compliant on its own?

It produces technically compliant Peppol BIS 3.0 / EN 16931 documents and delivers them correctly — that is the hard engineering part. But final legal compliance depends on your specific VAT registrations, country rules, and accounting setup, which remains your accountant's or tax advisor's responsibility. We map your tax classes accurately and validate the output, and we recommend a compliance sign-off before going live.