# Home


  

    

      

        

          

          
        
      

      

        Build with Letta
      

      

        Learn how to build and deploy stateful agents
      

      

        
          Get started →
        
      
    
  

  {/* Main Content */}

  

    
      
        Create your first stateful agent in a few minutes
      

      
        Learn how to use the Agent Development Environment (ADE)
      

      
        Integrate Letta into your application with a few lines of code
      

      
        Connect Letta agents to tool libraries via Model Context Protocol (MCP)
      

      
        Learn how to build with Letta using tutorials and pre-made apps
      

      
        Take our free DeepLearning.AI course on agent memory
      
    
  



## Docs

- [Letta Overview](https://docs.letta.com/overview.mdx): Create stateful AI agents that truly remember, learn, and evolve.
- [Developer quickstart](https://docs.letta.com/quickstart.mdx): Create your first Letta agent with the API or SDKs and view it in the ADE
- [Prompts for Vibecoding](https://docs.letta.com/prompts.mdx): Ready-to-go prompts to help AI coding tools build on Letta
- [Building Stateful Agents with Letta](https://docs.letta.com/guides/agents/overview.mdx)
- [Context Management](https://docs.letta.com/guides/agents/memory.mdx): Understanding Context Management and Agent Memory
- [Tools](https://docs.letta.com/guides/agents/tools.mdx): Understanding how to use tools with Letta agents
- [Define and customize tools](https://docs.letta.com/guides/agents/custom-tools.mdx)
- [Creating Tool Rules](https://docs.letta.com/guides/agents/tool-rules.mdx)
- [Using Tool Variables](https://docs.letta.com/guides/agents/tool-variables.mdx)
- [Connecting Letta to Composio](https://docs.letta.com/guides/agents/composio.mdx)
- [Connecting agents to data sources](https://docs.letta.com/guides/agents/sources.mdx)
- [Streaming agent responses](https://docs.letta.com/guides/agents/streaming.mdx)
- [Multi-Agent Systems](https://docs.letta.com/guides/agents/multi-agent.mdx)
- [Building Custom Multi-Agent Tools](https://docs.letta.com/guides/agents/multi-agent-custom-tools.mdx)
- [Multi-Agent Shared Memory](https://docs.letta.com/guides/agents/multi-agent-shared-memory.mdx)
- [User Identities](https://docs.letta.com/guides/agents/multi-user.mdx)
- [Agent File (.af)](https://docs.letta.com/guides/agents/agent-file.mdx): Import and export agents in Letta
- [Sleep-time Agents](https://docs.letta.com/guides/agents/sleep-time-agents.mdx): Build agents that think while they sleep
- [Low Latency Voice Agents](https://docs.letta.com/guides/voice/overview.mdx)
- [Connecting with Livekit Agents](https://docs.letta.com/guides/voice/livekit.mdx)
- [Connecting with Vapi](https://docs.letta.com/guides/voice/vapi.mdx)
- [What is Model Context Protocol (MCP)?](https://docs.letta.com/guides/mcp/overview.mdx): What is MCP, and how can it be combined with agents?
- [Connecting Letta to MCP Servers](https://docs.letta.com/guides/mcp/setup.mdx): Connect Letta agents to tools over Model Context Protocol (MCP)
- [Connecting Letta to a SSE MCP Server](https://docs.letta.com/guides/mcp/sse.mdx)
- [Connecting Letta to a stdio MCP Server](https://docs.letta.com/guides/mcp/stdio.mdx)
- [Key concepts](https://docs.letta.com/concepts/letta.mdx): Learn about the key ideas behind Letta
- [MemGPT](https://docs.letta.com/concepts/memgpt.mdx): Learn about the key ideas behind MemGPT
- [Troubleshooting Letta Desktop](https://docs.letta.com/guides/desktop/troubleshooting.mdx): Resolving issues with [Letta Desktop](/install)
- [Troubleshooting the web ADE](https://docs.letta.com/guides/ade/troubleshooting.mdx): Resolving issues with the [web ADE](https://app.letta.com)
- [Agent Development Environment (ADE)](https://docs.letta.com/guides/ade/overview.mdx)
- [Initial Setup and Connection](https://docs.letta.com/guides/ade/setup.mdx): Get started with the Agent Development Environment
- [Accessing the web ADE](https://docs.letta.com/guides/ade/browser.mdx): Connect to both self-hosted and cloud agents from the web ADE
- [Installing Letta Desktop](https://docs.letta.com/guides/desktop/install.mdx): Install Letta Desktop on your MacOS or Windows machine
- [Agent Simulator](https://docs.letta.com/guides/ade/simulator.mdx): Use the agent simulator to chat with your agent
- [Context Window Viewer](https://docs.letta.com/guides/ade/context-window-viewer.mdx): Understand the context window of your agent
- [Core Memory](https://docs.letta.com/guides/ade/core-memory.mdx): Manage the agent's in-context long-term memory
- [Archival Memory](https://docs.letta.com/guides/ade/archival-memory.mdx): Manage the agent's external long-term memory
- [Data Sources](https://docs.letta.com/guides/ade/data-sources.mdx): Manage the agent's data sources
- [Tools](https://docs.letta.com/guides/ade/tools.mdx): Create and configure your agent's tools
- [Agent Settings](https://docs.letta.com/guides/ade/settings.mdx): Configure and optimize your agent's behavior
- [Self-hosting Letta](https://docs.letta.com/guides/selfhosting.mdx): Learn how to run your own Letta server
- [Local tool execution](https://docs.letta.com/guides/tool-execution/local.mdx): Learn how to enable your agents to execute local code
- [Collecting Traces & Telemetry](https://docs.letta.com/guides/server/otel.mdx)
- [Deploying a Letta server remotely](https://docs.letta.com/guides/server/remote.mdx)
- [Deploy Letta Server on Railway](https://docs.letta.com/guides/server/railway.mdx)
- [OpenAI](https://docs.letta.com/guides/server/providers/openai.mdx)
- [Anthropic](https://docs.letta.com/guides/server/providers/anthropic.mdx)
- [Google AI (Gemini)](https://docs.letta.com/guides/server/providers/google.mdx)
- [LM Studio](https://docs.letta.com/guides/server/providers/lmstudio.mdx)
- [OpenAI-compatible endpoint](https://docs.letta.com/guides/server/providers/openai-proxy.mdx)
- [DeepSeek](https://docs.letta.com/guides/server/providers/deepseek.mdx)
- [AWS Bedrock](https://docs.letta.com/guides/server/providers/aws-bedrock.mdx)
- [Groq](https://docs.letta.com/guides/server/providers/groq.mdx)
- [xAI (Grok)](https://docs.letta.com/guides/server/providers/xai.mdx)
- [Together](https://docs.letta.com/guides/server/providers/together.mdx)
- [Google Vertex AI](https://docs.letta.com/guides/server/providers/google_vertex.mdx)
- [Azure OpenAI](https://docs.letta.com/guides/server/providers/azure.mdx)
- [Ollama](https://docs.letta.com/guides/server/providers/ollama.mdx)
- [vLLM](https://docs.letta.com/guides/server/providers/vllm.mdx)
- [Database Configuration](https://docs.letta.com/guides/selfhosting/postgres.mdx): Configure Letta's Postgres DB backend
- [Performance tuning](https://docs.letta.com/guides/selfhosting/performance.mdx): Configure the Letta server to optimize performance
- [Inspecting your database](https://docs.letta.com/guides/selfhosting/pgadmin.mdx): Directly view your data with `pgadmin`
- [Installing Letta from source](https://docs.letta.com/guides/server/source.mdx)
- [Letta Cloud](https://docs.letta.com/guides/cloud/overview.mdx): Deploy stateful agents at scale in the cloud
- [Get a Letta Cloud API key](https://docs.letta.com/guides/cloud/letta-api-key.mdx): Create an API key on Letta Cloud to start building
- [Plans & Pricing](https://docs.letta.com/guides/cloud/plans.mdx): Guide to pricing and model usage for Free, Pro, and Enterprise plans
- [Bring-Your-Own API Keys](https://docs.letta.com/guides/cloud/custom-keys.mdx): Connect your own API keys for supported model providers (OpenAI, Anthropic, etc.)
- [Introduction to Agent Templates](https://docs.letta.com/guides/templates/overview.mdx)
- [Versioning Agent Templates](https://docs.letta.com/guides/templates/versioning.mdx)
- [Memory Variables](https://docs.letta.com/guides/templates/variables.mdx)
- [The Letta API](https://docs.letta.com/api-reference/overview.mdx)
- [April 18, 2025](https://docs.letta.com/api-reference/changelog/2025/4/18.mdx)
- [April 16, 2025](https://docs.letta.com/api-reference/changelog/2025/4/16.mdx)
- [April 15, 2025](https://docs.letta.com/api-reference/changelog/2025/4/15.mdx)
- [April 14, 2025](https://docs.letta.com/api-reference/changelog/2025/4/14.mdx)
- [April 13, 2025](https://docs.letta.com/api-reference/changelog/2025/4/13.mdx)
- [April 10, 2025](https://docs.letta.com/api-reference/changelog/2025/4/10.mdx)
- [April 9, 2025](https://docs.letta.com/api-reference/changelog/2025/4/9.mdx)
- [April 5, 2025](https://docs.letta.com/api-reference/changelog/2025/4/5.mdx)
- [April 4, 2025](https://docs.letta.com/api-reference/changelog/2025/4/4.mdx)
- [April 2, 2025](https://docs.letta.com/api-reference/changelog/2025/4/2.mdx)
- [March 26, 2025](https://docs.letta.com/api-reference/changelog/2025/3/26.mdx)
- [March 24, 2025](https://docs.letta.com/api-reference/changelog/2025/3/24.mdx)
- [March 21, 2025](https://docs.letta.com/api-reference/changelog/2025/3/21.mdx)
- [March 17, 2025](https://docs.letta.com/api-reference/changelog/2025/3/17.mdx)
- [March 16, 2025](https://docs.letta.com/api-reference/changelog/2025/3/16.mdx)
- [March 15, 2025](https://docs.letta.com/api-reference/changelog/2025/3/15.mdx)
- [March 14, 2025](https://docs.letta.com/api-reference/changelog/2025/3/14.mdx)
- [March 13, 2025](https://docs.letta.com/api-reference/changelog/2025/3/13.mdx)
- [March 12, 2025](https://docs.letta.com/api-reference/changelog/2025/3/12.mdx)
- [March 6, 2025](https://docs.letta.com/api-reference/changelog/2025/3/6.mdx)
- [March 5, 2025](https://docs.letta.com/api-reference/changelog/2025/3/5.mdx)
- [March 2, 2025](https://docs.letta.com/api-reference/changelog/2025/3/2.mdx)
- [March 1, 2025](https://docs.letta.com/api-reference/changelog/2025/3/1.mdx)
- [February 27, 2025](https://docs.letta.com/api-reference/changelog/2025/2/27.mdx)
- [February 26, 2025](https://docs.letta.com/api-reference/changelog/2025/2/26.mdx)
- [February 23, 2025](https://docs.letta.com/api-reference/changelog/2025/2/23.mdx)
- [February 21, 2025](https://docs.letta.com/api-reference/changelog/2025/2/21.mdx)
- [February 19, 2025](https://docs.letta.com/api-reference/changelog/2025/2/19.mdx)
- [February 12, 2025](https://docs.letta.com/api-reference/changelog/2025/2/12.mdx)
- [February 10, 2025](https://docs.letta.com/api-reference/changelog/2025/2/10.mdx)
- [February 6, 2025](https://docs.letta.com/api-reference/changelog/2025/2/6.mdx)
- [February 5, 2025](https://docs.letta.com/api-reference/changelog/2025/2/5.mdx)
- [January 31, 2025](https://docs.letta.com/api-reference/changelog/2025/1/31.mdx)
- [January 28, 2025](https://docs.letta.com/api-reference/changelog/2025/1/28.mdx)
- [Letta Cookbooks](https://docs.letta.com/cookbooks.mdx)
- [Connecting agents to each other](https://docs.letta.com/cookbooks/multi-agent-async.mdx): Enable asynchronous communication between multiple agents
- [The Letta Leaderboard](https://docs.letta.com/leaderboard.mdx): Understand which models to use when building your agents
- [Contributing](https://docs.letta.com/leaderboard/contributing.mdx): Learn how to contribute to the Letta Leaderboard

## API Docs

- API Reference > Agents [List Agents](https://docs.letta.com/api-reference/agents/list.mdx)
- API Reference > Agents [Create Agent](https://docs.letta.com/api-reference/agents/create.mdx)
- API Reference > Agents [Count Agents](https://docs.letta.com/api-reference/agents/count.mdx)
- API Reference > Agents [Export Agent Serialized](https://docs.letta.com/api-reference/agents/export-file.mdx)
- API Reference > Agents [Import Agent Serialized](https://docs.letta.com/api-reference/agents/import-file.mdx)
- API Reference > Agents [Retrieve Agent](https://docs.letta.com/api-reference/agents/retrieve.mdx)
- API Reference > Agents [Delete Agent](https://docs.letta.com/api-reference/agents/delete.mdx)
- API Reference > Agents [Modify Agent](https://docs.letta.com/api-reference/agents/modify.mdx)
- API Reference > Agents [Summarize Agent Conversation](https://docs.letta.com/api-reference/agents/summarize-agent-conversation.mdx)
- API Reference > Agents [Search Deployed Agents](https://docs.letta.com/api-reference/agents/search.mdx)
- API Reference > Agents > Context [Retrieve Agent Context Window](https://docs.letta.com/api-reference/agents/context/retrieve.mdx)
- API Reference > Agents > Tools [List Agent Tools](https://docs.letta.com/api-reference/agents/tools/list.mdx)
- API Reference > Agents > Tools [Attach Tool](https://docs.letta.com/api-reference/agents/tools/attach.mdx)
- API Reference > Agents > Tools [Detach Tool](https://docs.letta.com/api-reference/agents/tools/detach.mdx)
- API Reference > Agents > Sources [Attach Source](https://docs.letta.com/api-reference/agents/sources/attach.mdx)
- API Reference > Agents > Sources [Detach Source](https://docs.letta.com/api-reference/agents/sources/detach.mdx)
- API Reference > Agents > Sources [List Agent Sources](https://docs.letta.com/api-reference/agents/sources/list.mdx)
- API Reference > Agents > Core Memory [Retrieve Agent Memory](https://docs.letta.com/api-reference/agents/core-memory/retrieve.mdx)
- API Reference > Agents > Blocks [Retrieve Block](https://docs.letta.com/api-reference/agents/blocks/retrieve.mdx)
- API Reference > Agents > Blocks [Modify Block](https://docs.letta.com/api-reference/agents/blocks/modify.mdx)
- API Reference > Agents > Blocks [List Blocks](https://docs.letta.com/api-reference/agents/blocks/list.mdx)
- API Reference > Agents > Blocks [Attach Block](https://docs.letta.com/api-reference/agents/blocks/attach.mdx)
- API Reference > Agents > Blocks [Detach Block](https://docs.letta.com/api-reference/agents/blocks/detach.mdx)
- API Reference > Agents > Passages [List Passages](https://docs.letta.com/api-reference/agents/passages/list.mdx)
- API Reference > Agents > Passages [Create Passage](https://docs.letta.com/api-reference/agents/passages/create.mdx)
- API Reference > Agents > Passages [Delete Passage](https://docs.letta.com/api-reference/agents/passages/delete.mdx)
- API Reference > Agents > Passages [Modify Passage](https://docs.letta.com/api-reference/agents/passages/modify.mdx)
- API Reference > Agents > Messages [List Messages](https://docs.letta.com/api-reference/agents/messages/list.mdx)
- API Reference > Agents > Messages [Send Message](https://docs.letta.com/api-reference/agents/messages/create.mdx)
- API Reference > Agents > Messages [Modify Message](https://docs.letta.com/api-reference/agents/messages/modify.mdx)
- API Reference > Agents > Messages [Send Message Streaming](https://docs.letta.com/api-reference/agents/messages/create-stream.mdx)
- API Reference > Agents > Messages [Send Message Async](https://docs.letta.com/api-reference/agents/messages/create-async.mdx)
- API Reference > Agents > Messages [Reset Messages](https://docs.letta.com/api-reference/agents/messages/reset.mdx)
- API Reference > Agents > Groups [List Agent Groups](https://docs.letta.com/api-reference/agents/groups/list.mdx)
- API Reference > Agents > Templates [Version Agent Template](https://docs.letta.com/api-reference/agents/templates/create-version.mdx)
- API Reference > Agents > Templates [Migrate Agent](https://docs.letta.com/api-reference/agents/templates/migrate.mdx)
- API Reference > Agents > Templates [Create Template From Agent](https://docs.letta.com/api-reference/agents/templates/create.mdx)
- API Reference > Agents > Memory Variables [Retrieve Memory Variables](https://docs.letta.com/api-reference/agents/memory-variables/list.mdx)
- API Reference > Tools [Retrieve Tool](https://docs.letta.com/api-reference/tools/retrieve.mdx)
- API Reference > Tools [Delete Tool](https://docs.letta.com/api-reference/tools/delete.mdx)
- API Reference > Tools [Modify Tool](https://docs.letta.com/api-reference/tools/modify.mdx)
- API Reference > Tools [Count Tools](https://docs.letta.com/api-reference/tools/count.mdx)
- API Reference > Tools [List Tools](https://docs.letta.com/api-reference/tools/list.mdx)
- API Reference > Tools [Create Tool](https://docs.letta.com/api-reference/tools/create.mdx)
- API Reference > Tools [Upsert Tool](https://docs.letta.com/api-reference/tools/upsert.mdx)
- API Reference > Tools [Upsert Base Tools](https://docs.letta.com/api-reference/tools/upsert-base-tools.mdx)
- API Reference > Tools [Run Tool From Source](https://docs.letta.com/api-reference/tools/run-tool-from-source.mdx)
- API Reference > Tools [List Composio Apps](https://docs.letta.com/api-reference/tools/list-composio-apps.mdx)
- API Reference > Tools [List Composio Actions By App](https://docs.letta.com/api-reference/tools/list-composio-actions-by-app.mdx)
- API Reference > Tools [Add Composio Tool](https://docs.letta.com/api-reference/tools/add-composio-tool.mdx)
- API Reference > Tools [List Mcp Servers](https://docs.letta.com/api-reference/tools/list-mcp-servers.mdx)
- API Reference > Tools [Add Mcp Server To Config](https://docs.letta.com/api-reference/tools/add-mcp-server.mdx)
- API Reference > Tools [List Mcp Tools By Server](https://docs.letta.com/api-reference/tools/list-mcp-tools-by-server.mdx)
- API Reference > Tools [Add Mcp Tool](https://docs.letta.com/api-reference/tools/add-mcp-tool.mdx)
- API Reference > Tools [Delete Mcp Server From Config](https://docs.letta.com/api-reference/tools/delete-mcp-server.mdx)
- API Reference > Sources [Count Sources](https://docs.letta.com/api-reference/sources/count.mdx)
- API Reference > Sources [Retrieve Source](https://docs.letta.com/api-reference/sources/retrieve.mdx)
- API Reference > Sources [Delete Source](https://docs.letta.com/api-reference/sources/delete.mdx)
- API Reference > Sources [Modify Source](https://docs.letta.com/api-reference/sources/modify.mdx)
- API Reference > Sources [Get Source Id By Name](https://docs.letta.com/api-reference/sources/retrieve-by-name.mdx)
- API Reference > Sources [List Sources](https://docs.letta.com/api-reference/sources/list.mdx)
- API Reference > Sources [Create Source](https://docs.letta.com/api-reference/sources/create.mdx)
- API Reference > Sources > Files [Upload File To Source](https://docs.letta.com/api-reference/sources/files/upload.mdx)
- API Reference > Sources > Files [List Source Files](https://docs.letta.com/api-reference/sources/files/list.mdx)
- API Reference > Sources > Files [Delete File From Source](https://docs.letta.com/api-reference/sources/files/delete.mdx)
- API Reference > Sources > Passages [List Source Passages](https://docs.letta.com/api-reference/sources/passages/list.mdx)
- API Reference > Groups [List Groups](https://docs.letta.com/api-reference/groups/list.mdx)
- API Reference > Groups [Create Group](https://docs.letta.com/api-reference/groups/create.mdx)
- API Reference > Groups [Count Groups](https://docs.letta.com/api-reference/groups/count.mdx)
- API Reference > Groups [Retrieve Group](https://docs.letta.com/api-reference/groups/retrieve.mdx)
- API Reference > Groups [Delete Group](https://docs.letta.com/api-reference/groups/delete.mdx)
- API Reference > Groups [Modify Group](https://docs.letta.com/api-reference/groups/modify.mdx)
- API Reference > Groups > Messages [List Group Messages](https://docs.letta.com/api-reference/groups/messages/list.mdx)
- API Reference > Groups > Messages [Send Group Message](https://docs.letta.com/api-reference/groups/messages/create.mdx)
- API Reference > Groups > Messages [Send Group Message Streaming](https://docs.letta.com/api-reference/groups/messages/create-stream.mdx)
- API Reference > Groups > Messages [Modify Group Message](https://docs.letta.com/api-reference/groups/messages/modify.mdx)
- API Reference > Groups > Messages [Reset Group Messages](https://docs.letta.com/api-reference/groups/messages/reset.mdx)
- API Reference > Identities [List Identities](https://docs.letta.com/api-reference/identities/list.mdx)
- API Reference > Identities [Create Identity](https://docs.letta.com/api-reference/identities/create.mdx)
- API Reference > Identities [Upsert Identity](https://docs.letta.com/api-reference/identities/upsert.mdx)
- API Reference > Identities [Count Identities](https://docs.letta.com/api-reference/identities/count.mdx)
- API Reference > Identities [Retrieve Identity](https://docs.letta.com/api-reference/identities/retrieve.mdx)
- API Reference > Identities [Delete Identity](https://docs.letta.com/api-reference/identities/delete.mdx)
- API Reference > Identities [Modify Identity](https://docs.letta.com/api-reference/identities/modify.mdx)
- API Reference > Identities > Properties [Upsert Identity Properties](https://docs.letta.com/api-reference/identities/properties/upsert.mdx)
- API Reference > Models [List LLM Models](https://docs.letta.com/api-reference/models/list.mdx)
- API Reference > Embedding Models [List Embedding Models](https://docs.letta.com/api-reference/embedding-models/list.mdx)
- API Reference > Blocks [List Blocks](https://docs.letta.com/api-reference/blocks/list.mdx)
- API Reference > Blocks [Create Block](https://docs.letta.com/api-reference/blocks/create.mdx)
- API Reference > Blocks [Count Blocks](https://docs.letta.com/api-reference/blocks/count.mdx)
- API Reference > Blocks [Retrieve Block](https://docs.letta.com/api-reference/blocks/retrieve.mdx)
- API Reference > Blocks [Delete Block](https://docs.letta.com/api-reference/blocks/delete.mdx)
- API Reference > Blocks [Modify Block](https://docs.letta.com/api-reference/blocks/modify.mdx)
- API Reference > Blocks > Agents [List Agents For Block](https://docs.letta.com/api-reference/blocks/agents/list.mdx)
- API Reference > Jobs [List Jobs](https://docs.letta.com/api-reference/jobs/list.mdx)
- API Reference > Jobs [List Active Jobs](https://docs.letta.com/api-reference/jobs/list-active.mdx)
- API Reference > Jobs [Retrieve Job](https://docs.letta.com/api-reference/jobs/retrieve.mdx)
- API Reference > Jobs [Delete Job](https://docs.letta.com/api-reference/jobs/delete.mdx)
- API Reference > Health [Health Check](https://docs.letta.com/api-reference/health/check.mdx)
- API Reference > Providers [List Providers](https://docs.letta.com/api-reference/providers/list.mdx)
- API Reference > Providers [Create Provider](https://docs.letta.com/api-reference/providers/create.mdx)
- API Reference > Providers [Delete Provider](https://docs.letta.com/api-reference/providers/delete.mdx)
- API Reference > Providers [Modify Provider](https://docs.letta.com/api-reference/providers/modify.mdx)
- API Reference > Providers [Check Provider](https://docs.letta.com/api-reference/providers/check.mdx)
- API Reference > Runs [List Runs](https://docs.letta.com/api-reference/runs/list.mdx)
- API Reference > Runs [List Active Runs](https://docs.letta.com/api-reference/runs/list-active.mdx)
- API Reference > Runs [Retrieve Run](https://docs.letta.com/api-reference/runs/retrieve.mdx)
- API Reference > Runs [Delete Run](https://docs.letta.com/api-reference/runs/delete.mdx)
- API Reference > Runs > Messages [List Run Messages](https://docs.letta.com/api-reference/runs/messages/list.mdx)
- API Reference > Runs > Usage [Retrieve Run Usage](https://docs.letta.com/api-reference/runs/usage/retrieve.mdx)
- API Reference > Runs > Steps [List Run Steps](https://docs.letta.com/api-reference/runs/steps/list.mdx)
- API Reference > Steps [List Steps](https://docs.letta.com/api-reference/steps/list.mdx)
- API Reference > Steps [Retrieve Step](https://docs.letta.com/api-reference/steps/retrieve.mdx)
- API Reference > Tags [List Tags](https://docs.letta.com/api-reference/tags/list.mdx)
- API Reference > Telemetry [Retrieve Provider Trace By Step Id](https://docs.letta.com/api-reference/telemetry/retrieve-provider-trace.mdx)
- API Reference > Batches [List Batch Runs](https://docs.letta.com/api-reference/batches/list.mdx)
- API Reference > Batches [Create Messages Batch](https://docs.letta.com/api-reference/batches/create.mdx)
- API Reference > Batches [Retrieve Batch Run](https://docs.letta.com/api-reference/batches/retrieve.mdx)
- API Reference > Batches [Cancel Batch Run](https://docs.letta.com/api-reference/batches/cancel.mdx)
- API Reference > Messages [List Batch Messages](https://docs.letta.com/api-reference/messages/list-batch-messages.mdx)
- API Reference > Voice [Create Voice Chat Completions](https://docs.letta.com/api-reference/voice/create-voice-chat-completions.mdx)
- API Reference > Templates [List templates (Cloud-only)](https://docs.letta.com/api-reference/templates/list.mdx)
- API Reference > Templates > Agents [Create agents from a template (Cloud-only)](https://docs.letta.com/api-reference/templates/agents/create.mdx)
- API Reference > Client Side Access Tokens [Create token  (Cloud-only)](https://docs.letta.com/api-reference/client-side-access-tokens/create.mdx)
- API Reference > Client Side Access Tokens [Delete token  (Cloud-only)](https://docs.letta.com/api-reference/client-side-access-tokens/delete.mdx)
- API Reference > Projects [List Projects (Cloud-only)](https://docs.letta.com/api-reference/projects/list.mdx)