Letta
Identity Audit
DirJournal Editorial Verdict
Letta is listed on DirJournal under AI Memory & Context Management Systems in San Francisco, California, United States.
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Editorial Verification
Full Audit Transparency Report
200 OK StatusVerified
Primary website is live, secure (HTTPS), and free of malware.
Domain AgeVerified
Real-world domain age (≥1 yr, verified via the Wayback Machine) OR pre-migration legacy ID OR ≥2 years of platform tenure. Survival across multiple search-engine update cycles is itself a trust signal.
Schema ValidationVerified
Valid Organization / ProfessionalService JSON-LD emitted on every page load — checked at render time.
Citation ClarityPending Manual Review
Verified outbound links to at least two authoritative sources (social profiles, sameAs URLs).
Operational HistoryVerified
Minimum 12-month active history in the claimed industry — derived from the business's founding year, Wayback-verified domain age, or listing tenure (any one signal passes).
Entity RegistrationPending Manual Review
Cross-referenced with official state or country business registries.
Physical FootprintPending Manual Review
Verified non-virtual presence via Google Maps or official lease documentation.
Active LeadershipData Incomplete
Confirmation of key team members and executive roles.
Complete in DashboardNAP ConsistencyPending Manual Review
Verified match of Name, Address, and Phone data across platforms.
Professional LicensingPending Manual Review
Verification of required industry-specific certifications or licenses.
Sentiment AuditPending Manual Review
Manual review of third-party reputation signals (BBB, Trustpilot, etc.).
Editorial DiscretionPending Manual Review
Final human review to ensure the business provides genuine value.
This entity has not yet undergone the 12-Point Manual Editorial Audit. The 5 Verified points above are objective system checks this listing already passes; the remaining 7 are manual editorial reviews that still need a human auditor's sign-off.
About
Letta
Letta provides infrastructure for deploying stateful AI agents with persistent memory, enabling organizations to build AI systems that learn and remember across thousands of user interactions.
DirJournal's Perspective
Editorial analysis
Letta addresses the core limitation that defeats most enterprise AI deployments: stateless interactions that force users to re-explain context. Their persistent memory architecture lets organizations build AI agents that actually accumulate knowledge across conversations, fundamentally changing how
Reviewed by DirJournal Editorial Board
Frequently Asked
About Letta
What does Letta do?
Letta provides infrastructure for deploying stateful AI agents with persistent memory, enabling organizations to build AI systems that learn and remember across thousands of user interactions.
Where is Letta based?
Letta is based in San Francisco, California, United States.
How can I contact Letta?
Contact Letta by phone at (415) 890-0135.
Technical Grounding
JSON-LDProfessionalService
- Address
- 548 Market St Suite 99492
- Location
- San Francisco, California, United States
- Team Size
- 1-10 employees
Digital Footprint · Technical Entity Graph
- Website
- Schema TypeProfessionalService
- JSON-LDActive
- NAP Vault IDNot assigned
- Social ProfilesNone linked
- Platform TenureNew listing
View Technical Schema▸
- @type
- ProfessionalService
- areaServed
- United States, Global
- openingHours
- Mo-Fr 09:00-17:00
Knows About
AI AgentsMemory ManagementStateful AILong-Term MemoryAgent Infrastructure
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