About Styx

Get in touch and learn more about Styx.

The vision of Styx

The Revised Payment Services Directive (PSD2) is intended to harmonise digital payment transactions within the European Economic Area. In addition to banks, PSD2 also provides many opportunities for third-party service providers (TTPs) to offer innovative services through the payment services provided by banks. Although PSD2 is based on a standard for bank interfaces, there remains considerable scope for implementation. For TTPs, developing and maintaining an XS2A interface is a time-consuming challenge. With the PSD2 XS2A Client Styx we offer TTPs a free and easy solution to interact with the different PSD2 interfaces of banks from Germany and Europe.

styx opensource logo styx serverunit logo

Benefits with Styx

Use Styx as a free XS2A client and concentrate on your core business.

Open Source

Styx is available for free as an open source project on Github.

Known Banks

Styx implements the Berlin Group NextGenPSD2 specification.

Modularity

Styx is a modular PSD2 XS2A client developed in Java.

Styx Features

The XS2A Client Styx supports the following services:

Payment Initiation Service

Initiation of electronic payment transactions

Payment Instrument Issuing Service

Check if sufficient funds are available on payment account

Account Information Service

Provision of account information of the payment account

Strong Customer Authentication

Consent Service for various multi-factor authentication (MFA) methods

Use Cases for Styx

Multibanking made simple.

Various multibanking tools such as payment instigations or accessing account information can be implemented by the XS2A Client Styx.

A depositer (PSU) is for example able to use a TPP App to initiate a payment. The TPP App interfaces with the Styx CM to receive approval from the PSU through a SCA method. After having received approval the Styx PIS-Client is opened via the Styx API to access the XS2A API of the bank in charge of the account to initiate the payment.

Styx Usecase Diagram

Wanna read more about Styx?

Check out the links below and get into Styx!

Styx Source Code

Check out the Styx XS2A code repository on GitHub.

Styx Wiki

Read about everything you need to know about Styx XS2A.

Styx Client API

Find out how easy you can use Styx with your client.

Be part of the Styx Movement

Use the free XS2A Client Styx for your own applications and services.
Get in touch and work with us to create the ultimate XS2A Client.

About the Company behind Styx

Get to know us and learn more about us, our company and our projects.

We are petaFuel!

We see ourselves as an innovative and agile software and payment provider. We develop business and mobile solutions for the payment sector. petaFuel is also a certified card processor as well as creator and publisher of the mobile payment app VIMpay.