Build with Fact0
The runtime audit layer built specifically for autonomous AI agents. Prove tool boundaries, data exfiltration guards, and human-in-the-loop policies to enterprise CISOs.
Log your first audit event →Quickstart
Send your first audit event and execution trace in under a minute.
pip install fact0-sdk
Python SDK
Install the unified client for audit logging and execution telemetry.
seq 1042 · sha256 chained
document.delete
outcome: success
Audit log
Audit tool boundaries, permission scopes, and data access using a tamper-evident, hash-chained ledger.
execution→span→tool
Telemetry
Trace agent runs, build execution DAGs, and replay failures frame by frame.
OTLP→gRPC :4317+HTTP
OpenTelemetry native
Point any OTel SDK or Collector at Fact0. Zero code changes - just set the endpoint.
LangChainFastAPITypeScript
Integrations
Wire Fact0 into LangChain, LangGraph, FastAPI, Next.js, and more.
GET /v1/verifyexport PDF
Security Reviews
Verify safety chains, export CISO evidence packs, and share read-only audit links to unblock enterprise sales.