Ecommerce e-invoicing, simplified

POP Cloud API documentation — guides, integrations, and API reference.

September 2026Simpler onboarding, stronger security, and POP arrives in Belgium
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POP Cloud API — Overview

Base URL, authentication, and first steps for using the POP API.

Which transmission channel to choose: SdI via POP, Fatture in Cloud, Aruba, SdI via PEC, PEPPOL, KSeF, Zoho

Comparison of the e-invoice transmission channels available in POP, to help you pick the right one.

First installation and guided setup of the plugin

How to install the POP plugin on WooCommerce and complete the initial setup wizard.

Getting the license_key for the POP API

How to activate your account and get the key to use with the POP API.

FAQ: POP for Shopify

Quick answers to the most common questions about taxation, customer data, and limits of the POP for Shopify app.

Electronic invoicing in France (gov-fr)

What you need and how activation works for French electronic invoicing with POP.

Generate electronic invoices via REST API in a custom integration

Call the POP API directly from your own backend to generate SdI or PEPPOL documents, testing in sandbox before spending real credits.

Automate electronic invoicing with n8n and webhooks

Generate and verify SdI/PEPPOL invoices from an n8n workflow, then forward every document to Zapier, Make, or a CRM via webhook.

Practical use cases

Real-world automations and examples with n8n, webhooks, and custom integrations.

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Changelog

2

Configuration

26

Getting started

16

Integrations

30

Troubleshooting

8

API reference