• France
status page
Merchant Back Office
assistance
FAQContact support
Search
Categories
Tags
English
French
English
Homepage
Use cases
Create a payment
Create an installment payment
Create a multi-card (split) payment
Create a payment by Alias (Token)
Create a payment link
Create a recurring payment
Manage subscriptions
Manage your transactions (refund, cancel...)
Analyze your reports
API docs
Embedded Form
REST API
Hosted payment
Mobile payment
File exchange
Logos
Push mail
Snippets
Payment methods
Plugins
Guides
Merchant Back Office
Functional guides

Presentation

Welcome to our REST APIs.

To accept payments, choose your integration type:

SmartForm

Integrate our JavaScript component into your website and accept payments without worrying about PCI-DSS constraints.

See the implementation guide

Payment order

Utilisez notre API pour créer un ordre de paiement par e-mai, , par SMS.
The payment is carried out on our secure payment pages.

See the implementation guide

API PCI-DSS

Develop your payment page to collect the card data and use our API to finalize the payment.
PCI-DSS merchants only.

See the implementation guide

To help you develop your own Back Office:

Manage your transactions

Automate transaction operations with our API. You can duplicate, cancel, refund or validate a payment.

Manage your subscriptions

Using our API, you can create, edit or cancel a subscription.

Other available features:

Notifications (IPN)

Receive real-time, automatic notification when an event occurs, for example when a transaction is recorded.

Token creation

Associate an alias (token) with a payment method, which will facilitate their subsequent payments on the website.

Buyer's wallet

Store several payment cards and allow the buyer to choose which one to use at the time of purchase, without having to enter their card number.

© 2025 {'|'} All rights reserved to Systempaylegal
25.18-1.11