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

# SDK Reference

## Core APIs

* [Manual spans](https://tracevell.com/docs/sdk/manual-spans.md)
* [Observe](https://tracevell.com/docs/sdk/observe.md)
* [Span methods](https://tracevell.com/docs/sdk/span-methods.md)
* [Trace methods](https://tracevell.com/docs/sdk/trace-methods.md)
* [Context utilities](https://tracevell.com/docs/sdk/context-utilities.md)
* [Lifecycle](https://tracevell.com/docs/sdk/lifecycle.md)
* [Constants](https://tracevell.com/docs/sdk/constants.md)
* [Client](https://tracevell.com/docs/sdk/client.md)
* [Evaluations](https://tracevell.com/docs/sdk/evaluations.md)

## Language-specific

* [TypeScript instrumentation](https://tracevell.com/docs/sdk/typescript/instrumentation.md)
* [Python instrumentation](https://tracevell.com/docs/sdk/python/instrumentation.md)
* [TypeScript types](https://tracevell.com/docs/sdk/typescript/types.md)
* [Python types](https://tracevell.com/docs/sdk/python/types.md)


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