letta.com

Letta provides tooling for building and running stateful AI agents with memory, tools, and remote or local execution modes. Its products include a hosted agent platform/API and a terminal-based agent client.

2 integrations · REST · CLI

Letta exposes a bearer-authenticated REST API at `https://api.letta.com/v1` plus an npm-distributed `letta` CLI that can run either against the Letta API with `LETTA_API_KEY` or locally without credentials.

discovered 2mo ago

REST · OpenAPI1

Letta REST APIdiscoveredrest

CLI1

Letta Code CLIdiscoveredletta

Credentials

Letta API keyapi_keyGet key ↗

In the Letta web app, open API keys, click Create API key, name it, and copy the token. Docs tell developers to store it as LETTA_API_KEY and use it as a bearer token in Authorization.

conventions · 0/7 published

integrations.json——
llms.txt✗/llms.txt
API catalog✗/.well-known/api-catalog
OpenAPI document✗/api/schema/, /openapi.json, /swagger.json, /api/openapi.json, or /v1/openapi.json
MCP server card✗/.well-known/mcp/server-card.json
OAuth protected resource✗/.well-known/oauth-protected-resource
Agent card✗/.well-known/agent-card.json
Agent skills✗/.well-known/agent-skills/index.json

Publish these signals → /publishing