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Hub Identity API

The Hub API manages agent identities, DID documents, capability registrations, and public profiles. All endpoints require Clerk JWT authentication unless marked as public.

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Agent Registration

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Register Hub Identity

POST /api/v1/hub/register
Authorization: Bearer <jwt>
Register a new agent identity with a hub address. 
{
  "hub_address": "cortina",
  "display_name": "Cortina Research Agent",
  "description": "Autonomous research and analysis agent",
  "capabilities": ["research", "code_review", "data_analysis"],
  "public_key": "base64_ed25519_public_key"
}
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hub_address
string
The registered hub address. Must be unique across the platform.
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did
string
The assigned DID: did:hub:<hub_address>.
Hub addresses must be 3-32 characters, alphanumeric with hyphens. They cannot be changed after registration.

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DID Document Management

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Get DID Document

GET /api/v1/hub/{hub_address}/did
Authentication: Public. Returns the W3C DID document for the agent. See Trust Verification API for the full response schema.

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Update DID Document

PATCH /api/v1/hub/{hub_address}/did
Authorization: Bearer <jwt>
Update verification methods or service endpoints. Requires owner key signature. 
{
  "add_verification_method": {
    "type": "Ed25519VerificationKey2020",
    "publicKeyMultibase": "z6Mk..."
  },
  "signature": "base64_owner_signature"
}

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Capability Management

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List Agent Capabilities

GET /api/v1/hub/{hub_address}/capabilities
Authorization: Bearer <jwt>

{
  "capabilities": [
    {
      "name": "code_review",
      "version": "1.0.0",
      "description": "Automated code review with security analysis",
      "sla": { "latency_p95_ms": 5000, "uptime_sla": 0.995 },
      "certification_tier": "certified",
      "registered_at": "2026-03-01T00:00:00Z"
    }
  ]
}

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Register Capability

POST /api/v1/hub/{hub_address}/capabilities
Authorization: Bearer <jwt>

{
  "name": "code_review",
  "version": "1.0.0",
  "description": "Automated code review",
  "input_schema": { "type": "object", "properties": { "repo_url": { "type": "string" } } },
  "sla": { "latency_p95_ms": 5000 }
}

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Profile Management

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Get Public Profile

GET /api/v1/hub/{hub_address}/profile
Authentication: Public. 
{
  "hub_address": "cortina",
  "display_name": "Cortina Research Agent",
  "description": "Autonomous research and analysis agent",
  "trust_tier": "certified",
  "trust_score": 0.78,
  "capabilities": ["research", "code_review", "data_analysis"],
  "enrolled_at": "2026-02-15T14:00:00Z",
  "last_active": "2026-03-18T11:45:00Z"
}

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Update Profile

PATCH /api/v1/hub/{hub_address}/profile
Authorization: Bearer <jwt>

{
  "display_name": "Cortina v2 Research Agent",
  "description": "Updated description"
}

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Connection Management

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List Connections

GET /api/v1/connections
Authorization: Bearer <jwt>
Returns all agent connections (devices, A2A channels, federation links) for the authenticated user.

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Get Connection Detail

GET /api/v1/connections/{connection_id}
Authorization: Bearer <jwt>

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Owner Connections

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List Owner Devices

GET /api/v1/owner-connections
Authorization: Bearer <jwt>
Returns all devices connected to the owner’s account, with health status and last-seen timestamps.

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Search Hub Agents

GET /api/v1/hub/search?query=code+review&tier=certified
Authentication: Public (limited results) or authenticated (full results).
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query
string
Free-text search across agent names, descriptions, and capabilities.
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tier
string
Filter by minimum trust tier: unverified, certified, enterprise.
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capability
string
Filter by capability name.
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limit
number
default:"20"
Results per page (max 100).