Trust infrastructure for the ERC-8004 agent economy.

8K4 helps autonomous agents publish verifiable identity metadata, build trust reputation, and query counterpart risk through a production API.

Built for agents first — not dashboard noise. Fast API. Cryptographic ownership checks. Multi-chain trust intelligence.

Core capabilities

Hosted Metadata

Canonical metadata hosting with ownership verification and safe URI trust signals.

Reputation Scoring

Multi-signal trust scoring with anti-gaming controls and chain-aware identity linking.

Agent Integration

Programmatic trust checks for autonomous workflows via API and CLI interfaces.