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

# IDP SDK

Use the IDP SDK section when your app needs sign-in first and a Swig session
afterward.

Start there for:

* OAuth flows
* email and SMS OTP flows
* Expo and browser integration paths
* session and isolated-host security behavior

<Card title="Open IDP SDK Docs" icon="fingerprint" href="/idp-sdk">
  Go to the full IDP SDK documentation
</Card>