> For the complete documentation index, see [llms.txt](https://guide.xs2a.com/xs2a/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.xs2a.com/xs2a/integration-cs/integration-by-use-case/psp-payment-service-provider.md).

# PSP (Payment Service Provider)

> A payment service provider (PSP) offers shops online services for various electronic payment methods, including credit card, bank-based payments such as direct debit, bank transfer and real-time transfer based on online banking.&#x20;

Tink Germany is permitted to provide these payment initiations and account information services. For further information please contact our Support (<support@tink-germany.com>).

{% hint style="info" %}
With our Maintainer API we provide PSP’s with the opportunity to create and manage accounts for their customers through a dedicated interface.&#x20;
{% endhint %}

On request, Tink Germany Support (<support@tink-germany.com>) will grant you access to our advanced Maintainer API enabling you to:

* retrieve, create and edit user accounts

For detailed information, please refer to our [documentation](https://docs.fintecsystems.com/maintainer-api/).

{% hint style="warning" %}
Please note, that this feature being independent from our XS2A API is not enabled by default.
{% endhint %}


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