Overview

Last update: December 20, 2023

This section of the documentation describes how to integrate Oney payment products into any e-commerce site.


This guide is intended for merchants wishing to study or implement Oney products on their platform, without going through one of the CMS connector integrations provided by Oney or via partner PSPs.

It explains the general operation of our multi-payment system, as well as the technical implementation details of our product.

Available payment methods by country

Payment methodsFrancePortugalSpainItalyRomaniaBelgium
Credit line with purchase
Credit line without purchase
Oney card

List of services

Buy now pay later (3x4x, 5x12x, Paylater)

URL : /payments/v1.2/purchase/split_payment_context
Method : POST
Description : The service allows generating a URL to redirect the customer on the payment solution.


Long-term credit (3x60x IBAN)

URL : /payments/v1.2/purchase/payment_url
Method : POST
Description : The service allows generating a URL to redirect the customer on the payment solution.


Card payment

URL : /payments/v1.2/purchase/card_payment_url
Method : POST
Description : The service allows generating a URL to redirect the customer on the payment solution.

Sequence diagram of the payment process

Regardless of the integration method and the payment method, the workflow remains broadly the same :