https://docs.letta.com/api/resources/conversations/methods/create
Create | Letta Docs
letta docscreate
https://docs.letta.com/guides/core-concepts/memory/memory-blocks/
Memory blocks (core memory) | Letta Docs
Create and manage structured memory blocks via the Letta API
memory blocksletta docscore
https://docs.letta.com/api/resources/runs/subresources/messages/methods/stream
Stream | Letta Docs
letta docsstream
https://docs.letta.com/api/resources/archives/methods/update
Update | Letta Docs
letta docsupdate
https://docs.letta.com/api/resources/mcp_servers/methods/retrieve
Retrieve | Letta Docs
letta docsretrieve
https://docs.letta.com/api/resources/runs/subresources/messages/methods/list
List | Letta Docs
letta docslist
https://docs.letta.com/api/resources/folders/subresources/files/methods/list
List | Letta Docs
letta docslist
https://docs.letta.com/guides/agents/architectures/sleeptime/
Sleep-time agents | Letta Docs
Configure agent sleep time behavior for controlling response pacing and timing.
sleep timeletta docsagents
https://docs.letta.com/api/resources/conversations/subresources/messages
Messages | Letta Docs
letta docsmessages
https://docs.letta.com/api/resources/models/subresources/embeddings/methods/list
List | Letta Docs
letta docslist
https://docs.letta.com/tutorials/multi-agent/round-robin/
The round-robin pattern | Letta Docs
Distribute tasks evenly across multiple agents using a rotating sequence to ensure fair workload distribution.
the roundletta docsrobinpattern
https://docs.letta.com/api/resources/runs/subresources/trace/methods/retrieve
Retrieve | Letta Docs
letta docsretrieve
https://docs.letta.com/letta-code/models
Models | Letta Docs
Use any model with Letta Code
letta docsmodels
https://docs.letta.com/api
API Reference | Letta Docs
api referenceletta docs
https://docs.letta.com/api/resources/archives
Archives | Letta Docs
letta docsarchives
https://docs.letta.com/api/resources/mcp_servers/methods/list
List | Letta Docs
letta docslist
https://docs.letta.com/api/resources/agents/subresources/passages/methods/list
List | Letta Docs
letta docslist
https://docs.letta.com/api/resources/agents/subresources/archives
Archives | Letta Docs
letta docsarchives
https://docs.letta.com/api/resources/conversations/subresources/messages/methods/create
Create | Letta Docs
letta docscreate
https://docs.letta.com/api/resources/runs/subresources/steps/methods/list
List | Letta Docs
letta docslist
https://docs.letta.com/guides/evals/getting-started/
Getting started | Letta Docs
Get started with Letta evaluations by creating datasets, running tests, and analyzing agent outputs.
getting startedletta docs
https://docs.letta.com/api/resources/archives/subresources/passages/methods/create_many
Create Many | Letta Docs
create manyletta docs
https://docs.letta.com/api/resources/folders/methods/create
Create | Letta Docs
letta docscreate
https://docs.letta.com/tutorials/multi-agent/producer-reviewer/
The producer-reviewer pattern | Letta Docs
Iteratively refine content using a producer agent that creates and a reviewer agent that evaluates with feedback loops.
the producerletta docsreviewerpattern
https://docs.letta.com/guides/core-concepts/tools/builtin-tools/
Built-in server tools | Letta Docs
Use Letta API's built-in tools for common actions like web search
built inserver toolsletta docs
https://docs.letta.com/api/resources/mcp_servers
Mcp Servers | Letta Docs
mcp serversletta docs
https://docs.letta.com/api/resources/agents/subresources/blocks/methods/update
Update | Letta Docs
letta docsupdate
https://docs.letta.com/tutorials/rag-simple/
Simple RAG with Letta | Letta Docs
Build simple RAG applications with client-controlled retrieval and context injection.
simple rag with lettadocs
https://docs.letta.com/api/resources/archives/subresources/passages/methods/delete
Delete | Letta Docs
letta docsdelete
https://docs.letta.com/api/resources/passages/methods/search
Search | Letta Docs
letta docssearch
https://docs.letta.com/api/resources/agents/subresources/passages
Passages | Letta Docs
letta docspassages
https://docs.letta.com/api/resources/mcp_servers/methods/delete
Delete | Letta Docs
letta docsdelete
https://docs.letta.com/api/resources/messages/methods/retrieve
Retrieve | Letta Docs
letta docsretrieve
https://docs.letta.com/api/resources/steps/subresources/metrics
Metrics | Letta Docs
letta docsmetrics
https://docs.letta.com/guides/templates/overview/
Introduction to agent templates (Deprecated) | Letta Docs
Use agent templates with the Letta API for quick deployment of preconfigured agents.
introduction toagent templatesletta docsdeprecated
https://docs.letta.com/guides/core-concepts/messages/long-running-executions/
Long-running executions | Letta Docs
How to handle long-running executions on the Letta API
letta docslongrunningexecutions
https://docs.letta.com/guides/templates/versioning/
Versioning agent templates (Deprecated) | Letta Docs
Letta API versioning, releases, and upgrade paths.
agent templatesletta docsversioningdeprecated
https://docs.letta.com/api/resources/agents/methods/export_file
Export File | Letta Docs
export fileletta docs
https://docs.letta.com/tutorials/pdf-chat
Talk to your PDF | Letta Docs
Use a Letta Code agent to extract text from PDFs and answer questions about document content using local file access.
talk to your pdfletta docs
https://docs.letta.com/api/resources/steps/methods/retrieve
Retrieve | Letta Docs
letta docsretrieve
https://docs.letta.com/api/resources/agents/methods/import_file
Import File | Letta Docs
import fileletta docs
https://docs.letta.com/api/resources/agents/subresources/files/methods/open
Open | Letta Docs
letta docsopen
https://docs.letta.com/guides/templates/variables/
Memory variables (Deprecated) | Letta Docs
Manage environment variables and configuration with the Letta API.
letta docsmemoryvariablesdeprecated
https://docs.letta.com/api/resources/conversations/methods/delete
Delete | Letta Docs
letta docsdelete
https://docs.letta.com/api/resources/conversations/methods/cancel
Cancel | Letta Docs
letta docscancel
https://docs.letta.com/api/resources/agents
Agents | Letta Docs
letta docsagents
https://docs.letta.com/api/resources/access_tokens/methods/create
Create | Letta Docs
letta docscreate
https://docs.letta.com/guides/core-concepts/messages/compaction/
Compaction (summarization) | Letta Docs
Configuring compaction settings in the Letta API
letta docscompactionsummarization
https://docs.letta.com/guides/core-concepts/stateful-agents/
Introduction to Stateful Agents | Letta Docs
Stateful agents are agents that can maintain memory and context across conversations.
introduction tostateful agentsletta docs
https://docs.letta.com/api/resources/runs/methods/retrieve
Retrieve | Letta Docs
letta docsretrieve
https://docs.letta.com/guides/build-with-letta/models/
Models | Letta Docs
The Letta API supports all major frontier model providers
letta docsmodels
https://docs.letta.com/guides/core-concepts/messages/structured-outputs/
Structured outputs | Letta Docs
How to use JSON mode / structured outputs in the Letta API
structured outputsletta docs
https://docs.letta.com/api/resources/archives/methods/list
List | Letta Docs
letta docslist
https://docs.letta.com/api/resources/mcp_servers/methods/refresh
Refresh | Letta Docs
letta docsrefresh
https://docs.letta.com/api/resources/conversations/subresources/messages/methods/list
List | Letta Docs
letta docslist
https://docs.letta.com/api-overview/client-sdks
Client SDKs | Letta Docs
Download the Python and TypeScript SDKs for the Letta API
client sdksletta docs
https://docs.letta.com/api/resources/tools/methods/search
Search | Letta Docs
letta docssearch
https://docs.letta.com/api/resources/agents/subresources/tools/methods/update_approval
Update Approval | Letta Docs
update approvalletta docs
https://docs.letta.com/api/resources/agents/subresources/archives/methods/detach
Detach | Letta Docs
letta docsdetach
https://docs.letta.com/api/resources/agents/subresources/schedule/methods/list
List | Letta Docs
letta docslist
https://docs.letta.com/api/resources/models/subresources/embeddings
Embeddings | Letta Docs
letta docsembeddings
https://docs.letta.com/guides/voice/overview/
Voice agents | Letta Docs
Overview of voice integration options for building voice-enabled Letta agents.
voice agentsletta docs
https://docs.letta.com/guides/evals/graders/multi-metric/
Multi-metric evaluation | Letta Docs
Evaluate agents across multiple metrics simultaneously with composite grading functions.
letta docsmultimetricevaluation
https://docs.letta.com/api/resources/steps/subresources/feedback/methods/create
Create | Letta Docs
letta docscreate
https://docs.letta.com/api/resources/agents/methods/retrieve
Retrieve | Letta Docs
letta docsretrieve
https://docs.letta.com/letta-code/quickstart
Quickstart | Letta Docs
Learn the basics of Letta Code
letta docsquickstart
https://docs.letta.com/guides/evals/concepts/targets/
Targets | Letta Docs
Define evaluation targets that specify which agents or systems to test in your evaluation runs.
letta docstargets
https://docs.letta.com/letta-code/subagents
Subagents | Letta Docs
Specialized agents for task decomposition and parallel execution
letta docssubagents
https://docs.letta.com/api/resources/folders/subresources/files/methods/delete
Delete | Letta Docs
letta docsdelete
https://docs.letta.com/letta-code/docker
Configuring the open source Docker image | Letta Docs
Use Letta Code with a Letta API proxy server running in Docker
the opendocker imageletta docsconfiguringsource
https://docs.letta.com/api/resources/agents/subresources/schedule/methods/delete
Delete | Letta Docs
letta docsdelete
https://docs.letta.com/guides/evals/extractors/builtin/
Built-in extractors | Letta Docs
Use built-in extractors for common patterns like JSON extraction, tool calls, and message content.
built inletta docsextractors
https://docs.letta.com/letta-code/slash-commands
Slash commands | Letta Docs
Control Letta Code's behavior during an interactive session with slash commands
slash commandsletta docs
https://docs.letta.com/guides/core-concepts/memory/archival-memory/
Archival memory | Letta Docs
Archival memory is a general-purpose vector DB in the Letta API
archival memoryletta docs
https://docs.letta.com/api/resources/mcp_servers/methods/create
Create | Letta Docs
letta docscreate
https://docs.letta.com/api/resources/templates
Templates | Letta Docs
letta docstemplates
https://docs.letta.com/api/resources/blocks/subresources/agents
Agents | Letta Docs
letta docsagents
https://docs.letta.com/api/resources/conversations/methods/recompile
Recompile | Letta Docs
letta docsrecompile
https://docs.letta.com/guides/core-concepts/memory/context-hierarchy/
Context hierarchy | Letta Docs
Understand how Letta prioritizes different context sources in the agent's context window
context hierarchyletta docs
https://docs.letta.com/api/resources/templates/subresources/agents/methods/create
Create | Letta Docs
letta docscreate
https://docs.letta.com/guides/evals/extractors/custom/
Custom extractors | Letta Docs
Build custom extractors to parse specific information patterns from agent responses for evaluation.
custom extractorsletta docs
https://docs.letta.com/api/resources/mcp_servers/subresources/tools/methods/run
Run | Letta Docs
letta docsrun
https://docs.letta.com/api/resources/steps/subresources/messages
Messages | Letta Docs
letta docsmessages
https://docs.letta.com/api/resources/folders/subresources/agents
Agents | Letta Docs
letta docsagents
https://docs.letta.com/api/resources/agents/subresources/files/methods/close_all
Close All | Letta Docs
close allletta docs
https://docs.letta.com/api/resources/runs/subresources/messages
Messages | Letta Docs
letta docsmessages
https://docs.letta.com/api/resources/tools/methods/create
Create | Letta Docs
letta docscreate
https://docs.letta.com/api/resources/agents/subresources/schedule
Schedule | Letta Docs
letta docsschedule
https://docs.letta.com/letta-code/scheduling
Schedules | Letta Docs
Schedule one-time or recurring prompts for Letta Code agents
letta docsschedules
https://docs.letta.com/api/resources/mcp_servers/subresources/tools
Tools | Letta Docs
letta docstools
https://docs.letta.com/api/resources/templates/methods/update
Update | Letta Docs
letta docsupdate
https://docs.letta.com/api/resources/messages/methods/search
Search | Letta Docs
letta docssearch
https://docs.letta.com/api/resources/templates/methods/rollback
Rollback | Letta Docs
letta docsrollback
https://docs.letta.com/guides/api/rbac/
Role-based access control | Letta Docs
Role-based access control for managing team permissions in Letta API organizations.
role based access controlletta docs
https://docs.letta.com/api/resources/mcp_servers/methods/update
Update | Letta Docs
letta docsupdate
https://docs.letta.com/api-overview/v1-migration-guide
API v1.0 migration guide | Letta Docs
Migrate from SDK v0.x to v1.0 with breaking changes and migration patterns.
api v1migration guideletta docs
https://docs.letta.com/guides/community/lettactl/
lettactl | Letta Docs
Use a community-built CLI and SDK to manage Letta fleets with declarative YAML, canaries, and multi-tenant workflows.
letta docslettactl
https://docs.letta.com/guides/evals/configuration/suite-yaml/
Suite YAML reference | Letta Docs
suite yaml referenceletta docs
https://docs.letta.com/api/resources/conversations/methods/list
List | Letta Docs
letta docslist
https://docs.letta.com/guides/build-with-letta/pricing
Pricing (API) | Letta Docs
Usage-based pricing for building on the Letta API
pricing apiletta docs