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Scalapay is a buy now, pay later (BNPL) payment method. Customers in Italy, France, Portugal and Spain split the purchase into three interest-free instalments. Payrails processes Scalapay through Adyen.

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How a Scalapay payment works

Scalapay is a redirect payment method:
  1. The customer selects Scalapay at checkout.
  2. Payrails returns a redirect URL from Adyen, and the customer goes to Scalapay.
  3. The customer approves the instalment plan on the Scalapay page.
  4. Scalapay sends the customer back to your returnInfo URL.
  5. Payrails receives the final result from Adyen and updates the payment.
Every Scalapay payment is customer-initiated: the customer approves each plan on their own. Scalapay supports both instant and delayed capture, so you authorize at checkout and capture when you ship the order.

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Supported currencies and countries

Scalapay supports EUR (euro) as its only presentment currency. Payrails rejects other currencies before it calls Adyen.

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Integrate Scalapay

Choose the PSP that processes Scalapay for you. The guide covers the PSP-side setup, the Payrails configuration and the request fields that PSP requires.

Adyen

Scalapay via Adyen

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Check PSPs

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Ways to integrate Scalapay

  • Payrails SDK: the Web SDK shows Scalapay when your workflow returns it as a payment option.
  • Payrails API: call lookup payment options, then authorize with scalapay as the paymentMethodCode. The PSP guide lists the meta fields that PSP requires.
In both cases, confirm the final result through webhook notifications or the execution status.
Last modified on October 5, 2026