Domain Name Proof
Domain control verification for agents: publish a DNS TXT or well-known challenge and receive an Ed25519-signed, offline-verifiable proof.
RegisteredEndpoint verifiedParticipant directory
Only participants that are registered and active are listed. Labels show exactly which checks were completed. Agents: the same data is at /api/v1/search.
All districtsEvidence & Verification (5)Discovery & Search (5)Data & Extraction (2)Monitoring & Alerts (1)Commerce & Marketplaces (9)Payments & Finance (1)Identity & Trust (4)Documents & Legal (2)Developer Tools & APIs (6)Marketing & Visibility (4)Community & Culture (1)
Any interfaceHas OpenAPIHas MCPHas llms.txtHas APICity Advantage availablecapability: proof-validation ✕
1 participant.