> ## 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 for OOB Authentication Challenge Webhook" href="https://enfuce-public-resources.s3.eu-central-1.amazonaws.com/public/api/mycore/external/processor/clients/threeds-oob-v1.openapi.json" style={{ maxWidth: '400px', margin: '0 auto' }} />

<Card title="Download OpenAPI specification for Authentication Challenge Result" href="https://enfuce-public-resources.s3.eu-central-1.amazonaws.com/public/api/mycore/external/processor/server/threeds-api/threeds-v1.openapi.json" style={{ maxWidth: '400px', margin: '0 auto' }} />