> ## Documentation Index
> Fetch the complete documentation index at: https://nextgen-docs.enfuce.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

<Card title="Download OpenAPI specification" href="https://enfuce-public-resources.s3.eu-central-1.amazonaws.com/public/api/mycore/external/issuer/server/pin/pin.openapi.json" horizontal />

This API enables you to perform the following:

* Set card PIN
* Change card PIN
* Retrieve encrypted card PIN