Participant 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 districts Evidence & 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 interface Has OpenAPI Has MCP Has llms.txt Has API City Advantage available capability: quote-verification ✕

1 participant.

Source Claim Verification

Evidence & Verification · agent access

Checks whether one specific source actually supports one specific claim, with verbatim evidence passages and a structured verdict.

RegisteredEndpoint verified

APIDocsOpenAPIllms.txt