Help and support - NumNum Knowledge Base

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Getting started

General overview NEW
How do I create my first invoice? NEW
How can I import my existing customers? NEW
What are the basic steps for the initial setup? NEW
How can I import my existing products? NEW
How do I back up my invoice data? NEW
How do I process incoming invoices? NEW
How do I find my personal referral link as an accountant? NEW
Getting started
How do I set up my VAT exemption as a small business? NEW
What happens after my trial period? NEW

Peppol - General

What is Peppol? NEW
Le réseau Peppol?
Is an invoice sent by email not an electronic invoice? NEW
Une facture envoyée par e-mail n'est-elle pas une facture électronique?
Is Peppol mandatory? NEW
Peppol est-il obligatoire?
What is a Peppol Endpoint ID? NEW
Qu'est-ce qu'un Peppol Endpoint ID?
How is a Peppol Endpoint ID structured? NEW
Comment est structuré un Peppol Endpoint ID?
What about the international use of Peppol? NEW
Comment se passe l'utilisation internationale de Peppol?
How do I find the Peppol Endpoint ID of my customer? NEW
Comment trouver le Peppol Endpoint ID d'un client?
What are the technical requirements for e-invoicing via Peppol? NEW
Are there exceptions to mandatory e-invoicing from 2026? NEW
How does VAT work with electronic invoicing? NEW
Comment fonctionne la TVA avec la facturation électronique ?
What are the costs of electronic invoicing via Peppol? NEW
Peppol - General
Quelles sont les exigences techniques pour la facturation électronique via Peppol?
Y a-t-il des exceptions à la facturation électronique obligatoire à partir de 2026?
Quels sont les coûts de la facturation électronique via Peppol ?
When does electronic invoicing become mandatory? NEW
Quand la facturation électronique devient-elle obligatoire ?
What happens if my customer does not have Peppol? NEW
Peppol - Général
Que se passe-t-il si mon client n'a pas Peppol ?

Peppol - Practical

How do I send my invoice via Peppol? NEW
Are there any costs associated with using Peppol? NEW
How do I set my customer's Endpoint ID? NEW
How do I connect to the Peppol network? NEW
Peppol - Practical
What should I pay attention to when sending invoices and credit notes? NEW
How do I switch to a different Peppol provider? NEW
How do I test if my Peppol invoice arrives correctly? NEW
Can I still send PDF invoices after enabling Peppol? NEW
How do I resolve Peppol delivery issues? NEW

Invoicing

Adjusting the document number for a new calendar or fiscal year NEW
How do I work with recurring invoices? NEW
Can I customize my invoice template? NEW
How do I add my company logo to invoices? NEW
Invoicing

Integrations

Expert/M NEW
BillToBox NEW
How do I connect with Clearfacts? NEW
Integrations
Octopus NEW
Ponto NEW
Material Platform NEW
Invoice Webhook API NEW
Import supplier shopping basket NEW
How do I connect with Yuki? NEW

Account and security

How do I change my password? NEW
Can I add multiple users to my account? NEW
Account and security

Integrations and export

How do I export my invoices to Excel? NEW
Comment exporter mes factures vers Excel ?
Which accounting software is compatible? NEW
Quels logiciels comptables sont compatibles ?
How do I connect my CRM system? NEW
Integrations and export
Comment connecter mon système CRM ?
Intégrations et export

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