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How to add fees to an installment plan or subscription

Learn how to add a surcharge to a payment method with the price increase setting, and choose how VAT should apply to it.

This article explains how to add fees to an installment plan or subscription from a Learnybox offer and how to define the VAT rule applied to those fees.

You can choose to:

  • apply no VAT to the fees

  • use the offer’s default VAT rate

Step 1 – Access the payment methods for your offer

  1. Go to Sales → Offers

  2. Click the offer you wish to configure to access its dashboard.
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  3. Open the Payment Methods tab

  4. Click Add payment method to add a new payment method, or click the Edit icon for the payment method you want to modify.
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Step 2 – Open the payment configuration

  1. Expand the Payment configuration section.

  2. Locate the Increase setting. It will allow you to add fees to the total order amount when a customer selects that payment method.
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    ⚠️ It is available only when the payment type is set to:

    • Multiple payments, for an installment plan with a fixed number of payments
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    • Subscription, for recurring payments that continue until the customer cancels
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Step 3 – Enter the increase amount

In the Increase field, enter the additional amount you want to charge. This amount represents your fees (or surcharge).

The way this amount is applied depends on the payment type.

a) For multiple payments

The amount entered is added to the total price and divided across the configured number of payments.

For example, when you add a €10 increase to a four-payment installment plan, the customer is charged an additional €2.50 with each payment.

b) For a subscription

The amount entered is added to every recurring payment for as long as the subscription remains active.

For example, when you add a €10 increase to a monthly subscription, the customer is charged an additional €10 each month.

Step 4 – Choose the VAT rule applied to the increase

Use the VAT selector to the right of the increase amount to choose how VAT should apply.

The available options are:

  • Standard VAT — the offer’s default rate: Applies the VAT rate configured by default for the offer.

  • No VAT: Does not apply VAT to the fees.

⚠️ The VAT calculation and the final amount displayed to the customer are shown directly at checkout.

What your customer will see

When placing their order, the customer will see:

  • the order amount

  • the increase applied according to the payment type

  • the VAT applied to that increase

  • the final amount they will be charged

These details are automatically included on the order form and on invoices generated after the setting has been enabled.

How to check that the configuration works

After saving your configuration:

  1. Open the offer’s direct order link.
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  2. Select the relevant payment method.

  3. Check:

    • the fee amount

    • the VAT applied

    • the final total displayed to the customer

💡 We recommend completing a full test before making the offer available to customers.

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