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

# Authentication & Access

<Card title="Why does the sandbox SDK raise CWSandboxAuthenticationError or WandbAuthError?" href="/support/sandboxes/articles/why-does-the-sandbox-sdk-raise-an-authentication-error" arrow="true" horizontal>
  Which credential the SDK looks for depends on the authentication strategy you select. The SDK doesn't fall back from one ...
</Card>


## Related topics

- [Authentication & Access](/support/observability/tags/authentication-access.md)