> ## Documentation Index
> Fetch the complete documentation index at: https://ixoworld-mintlify-9a7944b6.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# IXO Stack SDKs

> Pointer page — SDK reference and developer guides for the IXO stack live in the linked locations.

The IXO Stack SDKs are documented in the [SDK reference](/sdk-reference/index). This page is a routing aid for builders looking for the developer entry point.

<CardGroup cols={2}>
  <Card title="SDK reference" icon="book" href="/sdk-reference/index">
    Canonical home for all SDKs and ADKs — types, methods, and install instructions.
  </Card>

  <Card title="Developer overview" icon="toolbox" href="/guides/dev/overview">
    Task-oriented entry point for building on the IXO stack.
  </Card>

  <Card title="Developer workflows" icon="diagram-project" href="/guides/dev/workflows">
    End-to-end implementation patterns for entities, claims, evaluation, and integrations.
  </Card>

  <Card title="USSD gateway" icon="tower-cell" href="/guides/dev/ussd-gateway">
    Build and run a USSD gateway to extend IXO services to feature phones. For architecture, see [IXO USSD](/articles/ixo-ussd).
  </Card>
</CardGroup>