Connect your business to the Peppol network

Your software already creates invoices. With us, it sends them over Peppol. No complicated infrastructure. No certification to manage. One API. That’s it.

Read the docs Try the sandbox

Belgian B2B e-invoicing runs on Peppol. Mandatory since 1 January 2026.

You build your software. We connect it to Peppol.

Whether you’re building an ERP, a SaaS platform, business software or an in-house invoicing system, our API adds Peppol connectivity to your application without touching your business logic.

Your software
Corner 1
Creates the invoice, exactly as it does today.
Simple Peppol
Corner 2 · your Access Point
Validates, signs and sends it over AS4.
Their Access Point
Corner 3
Found automatically through the Peppol SML and SMP lookup.
Your customer
Corner 4
Receives a structured invoice their software can book directly.

Receiving works the same way in reverse: we are corner 3 for invoices sent to you.

REST API

A simple integration with your current stack. Whatever the language or the technology.

Send & receive

Exchange documents with every company connected to the Peppol network, straight from your application.

You stay in control

Your software remains the master of its data. We only provide the network layer.

Why reinvent an Access Point?

Building and maintaining a Peppol Access Point takes time, skills and specific infrastructure. We’ve already done that work. Plug your software into our API and focus on your product.

What Simple Peppol already runs for you
What it takes	What it involves	Who does it
Peppol certificate	The PKI certificate every Access Point needs, kept valid and renewed on time.	We do
SMP registration	Your participants published on our SMP so the whole network can find them.	We do
AS4 messaging	Signed, encrypted transport with delivery receipts, the way Peppol requires it.	We do
Validation	Peppol BIS Billing 3.0 rules checked before a document leaves, errors returned to you.	Built in
Peppol reporting	The monthly statistics reports OpenPeppol requires from every service provider.	We do
Maintenance	Network changes, specification updates and infrastructure, followed for you.	We do

See live service status Our network status is public. Check it before you trust us.

One key. The whole network.

An API key gives you full access to the Peppol network through our Access Point and our SMP, over a plain REST integration. We take care of certificates, maintenance and reporting.

If a document is invalid, your system knows in real time, with the details of every error.

Sandbox environment that validates and simulates the full lifecycle
Webhook the moment an inbound document arrives
One account for all your clients’ Peppol participants

Read the docs

curl -X POST https://peppol-api.simplebill.pro/api/v1/documents \
  -H "Authorization: Bearer SBG_your_api_token" \
  -H "Content-Type: application/json" \
  -d '{
    "sender_peppol_id": "0208:0123456749",
    "receiver_peppol_id": "0208:0987654394",
    "document_type_id": "urn:oasis:names:specification:ubl:schema:xsd:Invoice-2::Invoice##urn:cen.eu:en16931:2017#compliant#urn:fdc:peppol.eu:2017:poacc:billing:3.0::2.1",
    "process_id": "urn:fdc:peppol.eu:2017:poacc:billing:01:1.0",
    "payload_format": "ubl",
    "payload_xml": "<Invoice>…</Invoice>",
    "client_reference": "invoice-2611"
  }'

HTTP/1.1 200 OK
{
  "id": "9b1f0c3e-5a7d-4e2b-a1c4-2f6d8e9b0a17",
  "status": "queued",
  "warnings": []
}

# then follow it: GET /api/v1/documents/{id}
# queued → processing → sent → delivered

HTTP/1.1 422 Unprocessable Content
{
  "message": "Document failed Peppol Schematron validation",
  "errors": [{
    "rule_id": "BR-CO-15",
    "severity": "fatal",
    "error_message": "[BR-CO-15]-Invoice total amount with VAT (BT-112)
      = Invoice total amount without VAT (BT-109)
      + Invoice total VAT amount (BT-110).",
    "location": "/Invoice/cac:LegalMonetaryTotal[1]"
  }],
  "warnings": []
}

Ideal for

Whoever you build for, connecting to Peppol is the same single integration.

Companies
In-house ERP, home-grown software or an invoicing platform built internally.
SaaS vendors
Add Peppol to your product without becoming a network specialist.
IT firms & integrators
One integration for all your clients, each with their own Peppol participants.

What you pay

Three parts, one clear bill. Your package is sized to your real volume, so you only pay extra when you actually send more.

Setup fee

A one-time amount to open your account, register your participants and get you live.

BilledOnce

Monthly package

A fixed monthly amount that includes a defined volume of documents, sized to your traffic.

BilledMonthly

Overage

A variable part, only for documents beyond the package you chose.

BilledPer extra document

Prices depend on your volume. Tell us roughly how many documents you send and receive each month, and we’ll size your package.

Request a quote

Connect your software. Not your headaches.

Clear documentation, a robust API and a fast integration. Because your developers would rather build features than run Peppol infrastructure.

Read the docs Talk to us

Connect your business to the Peppol network

You build your software. We connect it to Peppol.

Your software

Simple Peppol

Their Access Point

Your customer