# Legacy SDK - Documentation

> For the complete documentation index, see [llms.txt](/llms.txt). Markdown is available with `Accept: text/markdown` and `.md` URL variants.

Source: /docs/guides/sandbox-legacy-overview

# Legacy SDK

These pages are kept for users who still use the 1.x stable SDK or 1.x beta SDK line.
If you are starting a new integration or upgrading to SDK 2.x, follow the current Agent Sandbox documentation instead.

##

[​](#legacy-pages)

Legacy Pages

- [SDKs & CLI](/docs/guides/sandbox-legacy-e2b-compatible)

- [Sandbox Persistence](/docs/guides/sandbox-legacy-persistence)

- [Auto Pause and Resume](/docs/guides/sandbox-legacy-auto-persistence)

- [Sandbox Clone](/docs/guides/sandbox-legacy-clone)

- [Sandbox Snapshot Template](/docs/guides/sandbox-legacy-commit)

- [Idle Timeout](/docs/guides/sandbox-legacy-idle-timeout)

Last modified on June 5, 2026