> For the complete documentation index, see [llms.txt](https://knowledge.out-smart.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://knowledge.out-smart.com/marketplace-packages-and-power-ups/power-ups/peppol/set-up-customers-for-peppol.md).

# Set up customers for Peppol

After activation, extra Peppol fields appear on your relations.

With these fields, you decide whether a customer receives invoices through Peppol.

{% hint style="info" %}
This step only works correctly after your organization is registered for Peppol.
{% endhint %}

### Which fields are added

For each relation, you see these fields:

* **Delivery method**
* **Peppol address type**
* **Peppol address**

![Extra fields after activating the Power-Up](https://kennisbank.out-smart.com/download/attachments/1680080898/image-20251210-105152.png?version=4\&modificationDate=1767177747571\&cacheVersion=1\&api=v2)

### What each field does

#### Delivery method

With **Delivery method**, you decide how the customer receives invoices.

Choose **Peppol** here if you want to invoice this relation through the Peppol network.

#### Peppol address type

The **Peppol address type** determines the address format.

OutSmart shows multiple options for this.

![Peppol address options](https://kennisbank.out-smart.com/download/attachments/1680080898/image-20251210-104511.png?version=4\&modificationDate=1767177747795\&cacheVersion=1\&api=v2)

#### Peppol address

The **Peppol address** is the address where the customer can be reached on the Peppol network.

You can fill in this address automatically or manually.

### Set up a customer for Peppol

{% stepper %}
{% step %}

### Open the relation

Open the customer for whom you want to use Peppol.

First check whether the relation details are complete.
{% endstep %}

{% step %}

### Choose Peppol as the delivery method

Set **Delivery method** to **Peppol**.

This indicates that this customer receives invoices through the Peppol network.
{% endstep %}

{% step %}

### Choose the correct address type

Select the correct **Peppol address type**.

This determines in which format the address is stored.
{% endstep %}

{% step %}

### Enter the Peppol address

Preferably use the **Smart Resolver** for this.

If that does not work, enter your customer’s address code manually.
{% endstep %}

{% step %}

### Validate and save

Validate the address after it is filled in.

Only save the relation after the address is confirmed correctly.
{% endstep %}
{% endstepper %}

### Use Smart Resolver

Smart Resolver works best when the relation is fully completed.

Make sure the customer details are correct, including the **Chamber of Commerce number**.

If the customer is found on the Peppol network, OutSmart fills in the address for you.

Validate the address afterward.

![Found and validated](https://kennisbank.out-smart.com/download/attachments/1680080898/image-20251210-105222.png?version=4\&modificationDate=1767177747285\&cacheVersion=1\&api=v2)

### If a customer is not found

Ask your customer for the correct Peppol address code.

Enter it manually and then validate the address.

Possible causes include:

* incomplete relation details
* an incorrect company number
* no active Peppol account for your customer

### Checklist per customer

Check these points before you start invoicing:

* **Peppol** is set as the delivery method
* the **Peppol address type** is selected
* the **Peppol address** is filled in
* the address is validated

{% hint style="info" %}
If these details are correct, the selected delivery method is filled in automatically when you send the invoice.
{% endhint %}

### Related topics

* [**Activate and register Peppol**](/marketplace-packages-and-power-ups/power-ups/peppol/activate-and-register-peppol.md)
* [**Send invoices via Peppol**](/marketplace-packages-and-power-ups/power-ups/peppol/send-invoices-via-peppol.md)
* [**Peppol FAQ**](/marketplace-packages-and-power-ups/power-ups/peppol/peppol-faq.md)


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