Integration Guide

Use Cases

The following guides are based on the major use cases. We offer our merchants many more combinations of our services. Please get in touch with our sales team or help desk if you don't find your scenario.


There are guides for sole payment:

The main differences:

  • The Flex.API is small and simple, but you need to implement the payment method selection.

  • Our Smart Checkout provides a ready-to-use checkout solution.

  • Our secuconnect API can also be used to implement your custom checkout solution incl. recurring payments, one-click checkout, and much more.

Our Smart Checkout can also be used for purchase orders, where the checkout process also includes the delivery:

Here is a comparison of the different website integration options: Integration Patterns Smart Checkout.

Point Of Sale (POS)


numerous guides on demand


We provide services for platforms and marketplaces, including:

  • stakeholder payment — for platforms, sales provision, etc.;

  • mixed baskets — one basket with goods of multiple merchants;

  • payouts — to pay out earnings or interest of a project.

There are these guides that cover different combinations of the above for existing and new projects:

For new complex projects please get in touch with our sales team or help desk.

Remember: We offer much more than you can see here. The missing documentation parts will be published quickly.

secuconnect API

The secuconnect API is a rich and versatile API. It supports all you need for e-commerce payments incl. mixed baskets, stakeholder payments, and recurring payments; furthermore loyalty programmes, selling e-goods, integration of cash registers and payment terminal.

Best you start with an integration guide, and refer to the following two ressources when needed:

These guides cover the most frequent questions, and the most important objects of the API. Please get in touch with our sales team if you plan a complex project. Get in touch with our help desk when the project is going on, and you need more information.

secuconnect SDKs

We offer you three ready-to-use software development kits (SDKs) for your particular language. The SDK will save you a lot of development work.

Java SDK

Our Java SDK for the secuconnect API can be included from our GitHub repository using the JAR file or Maven. images/download/thumbnails/41033211/Java-logo.png


Our PHP SDK for the secuconnect API can be downloaded as a ZIP file from our GitHub repository, but also be installed from Packagist using Composer. images/download/thumbnails/41033211/PHP-logo.png

JavaScript SDK

Our JavaScript SDK for the secuconnect API can be downloaded as ZIP file or installed with the NodeJS package manager (NPM).images/download/thumbnails/41033211/NodeJS-logo.png

Note: Is something missing, or is the needed SDK not feature-complete? Please do not hesitate to get in touch with our sales team or help desk. In most situations we can help you.