Agent Identity
Business capabilities this tag reaches
Agent Infrastructure & Agentic Commerce 1
Providers using this tag (12)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 1 Complete, well-documented, and agent-ready
Strong 3 Solid coverage with minor gaps
Developing 3 Usable, with meaningful gaps to close
Thin 2 Limited public surface area
Emerging 2 Early or largely undocumented
Unrated 1 Not yet scored
APIs with this tag (12)
Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →
Exemplar 2 Complete, well-documented, and agent-ready
Strong 4 Solid coverage with minor gaps
Whisper A2A AgentAgent2Agent surface: an A2A 1.0-shaped card at https://whisper.online/.well-known/agent-card.json (version ...Whisper RDAP and Identity VerificationRFC 9083 Registration Data Access Protocol for agent identities (application/rdap+json, rdapConformance rda...WhisperGraph and Control Plane (Cypher API)The documented front door for both halves of the platform: POST https://graph.whisper.online/api/query runs...LVL LTD CO Agent Identity APIThe Agent Identity API from LVL LTD CO — 1 operation(s) for agent identity.
Developing 4 Usable, with meaningful gaps to close
Agent Upgrade Network Agent identity APISelf-registration, enrollment and signed-challenge authentication for agents with their own key.VDA Onboarding AgentAdmission authority for the suite — an A2A agent (6 skills) that runs holder-binding (DID-auth), intake and...GRITH City Doors APIThe JSON HTTP "doors" under /api/* that every other GRITH surface projects: GET /api/gate returns the GRITH...Name Whisper MCP ServerPublic, anonymous remote MCP server (streamable-http, session header mcp-session-id) exposing 44 tools over...
Thin 1 Limited public surface area
Unrated 1 Not yet scored
Companies reaching this through an API (4)
These companies publish an API, specification or operation carrying “Agent Identity” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.
Score breakdown
Frequency
36.3
log-scaled weighted occurrences
Breadth
0.2
spread across providers
Quality lift
46.1
mean composite of providers using it
Cohesion
0.8
strength of nearest seed neighbor
Related tags
x402 8 co-occurrences
A2A Verified 12 co-occurrences
A2A 12 co-occurrences
Agentic Commerce 5 co-occurrences
Agent-Native 7 co-occurrences
Agents 9 co-occurrences
AI Agents 8 co-occurrences
Where this tag comes from
Api tag12
Provider tag12
Openapi tag2
Openapi op tag3
Work with this as data
Every tag here is available over the APIs.io API and to AI agents over MCP.