Letta API
Agent Tools · Operational · 30d uptime 100%
Stateful agent API for memory, tools, conversations, and agent orchestration. Official documentation: https://docs.letta.com/api-reference/overview
Trust signals
Pricing
FREEMIUM
Auth
API_KEY
CORS
Yes
Rate limit
Unknown
Health
112ms
Trust score
97 (A)
Last checked Sep 4, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Excellent production-readiness signals.
Links
- Homepagedocs.letta.com
- Documentationdocs.letta.com/api-reference/overview
- Base URLdocs.letta.com/api-reference/overview
Integration checklist
- Auth is API_KEY
- CORS enabled — callable directly from browsers.
- Rate limit: not documented