# Letta API Client

> Python/TS SDK for stateful Letta API

**Subcategory:** Letta  
**License:** MIT  
**Source:** https://github.com/letta-ai/skills/blob/main/letta/letta-api-client/SKILL.md

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## When it is useful

Python/TS SDK for the stateful Letta API (agents, memory, tools, multi-user).

## The Catch

API Plan is usage-based; Cloud Free personal is 3 agents + BYOK. OSS self-host $0 (no Letta account). Do not reprint CPU-sec rates.