> ## Documentation Index
> Fetch the complete documentation index at: https://docs.matrices.com/llms.txt
> Use this file to discover all available pages before exploring further.

# List subscriptions for an agent



## OpenAPI

````yaml /openapi/platform.v1.json get /v1/agents/{agentId}/subscriptions
openapi: 3.0.3
info:
  description: Public platform API for catalog and proxied data-plane routes.
  title: Matrices Platform API
  version: v1
servers:
  - url: https://api.matrices.com
security: []
tags:
  - description: Authenticated bearer credential context.
    name: auth
    x-group: Auth
  - description: Write-only provider credentials with safe connection metadata.
    name: connections
    x-group: Connections
  - description: Materialized workspace principals and active agent counts.
    name: identities
    x-group: Identities
  - description: Remote MCP server registrations.
    name: toolsets
    x-group: Toolsets
  - description: Named allow-only agent tool permissions.
    name: roles
    x-group: Roles
  - description: Client-executed tool calls.
    name: tools
    x-group: Tools
  - description: Reusable agent behavior profiles.
    name: profiles
    x-group: Profiles
  - description: Workspace-owned agent identities.
    name: agents
    x-group: Agents
  - description: Immutable private image inputs.
    name: images
    x-group: Images
  - description: Public model catalog.
    name: models
    x-group: Models
  - description: Running agent threads.
    name: threads
    x-group: Threads
  - description: Agent schedules.
    name: schedules
    x-group: Schedules
  - description: Workspace append-only feeds.
    name: feeds
    x-group: Feeds
  - description: Agent subscriptions over workspace feeds.
    name: subscriptions
    x-group: Subscriptions
  - description: Agent-private and workspace-shared durable memory notes.
    name: memory
    x-group: Memory
  - description: Thread messages.
    name: messages
    x-group: Messages
  - description: Thread event log data.
    name: events
    x-group: Events
  - description: Runtime hook audit and wait resolution.
    name: hooks
    x-group: Hooks
paths:
  /v1/agents/{agentId}/subscriptions:
    get:
      tags:
        - subscriptions
      summary: List subscriptions for an agent
      operationId: ListSubscriptions
      parameters:
        - $ref: '#/components/parameters/AgentID'
        - $ref: '#/components/parameters/SubscriptionLimit'
        - $ref: '#/components/parameters/Cursor'
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubscriptionListResponse'
          description: Subscription page.
        '202':
          $ref: '#/components/responses/PendingOperation'
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          $ref: '#/components/responses/NotFound'
        '503':
          $ref: '#/components/responses/RuntimeUnavailable'
      security:
        - APIKeyBearer: []
        - AgentLeaseBearer: []
components:
  parameters:
    AgentID:
      in: path
      name: agentId
      required: true
      schema:
        type: string
    SubscriptionLimit:
      in: query
      name: limit
      required: false
      schema:
        default: 50
        maximum: 200
        minimum: 1
        type: integer
    Cursor:
      in: query
      name: cursor
      required: false
      schema:
        type: string
  schemas:
    SubscriptionListResponse:
      properties:
        items:
          items:
            $ref: '#/components/schemas/FeedSubscription'
          type: array
        nextCursor:
          type: string
      required:
        - items
      type: object
    FeedSubscription:
      properties:
        agentId:
          type: string
        cadence:
          $ref: '#/components/schemas/SubscriptionCadence'
        condition:
          $ref: '#/components/schemas/SubscriptionCondition'
        createdAt:
          format: date-time
          type: string
        createdBy:
          $ref: '#/components/schemas/Principal'
        cursor:
          format: int64
          minimum: 0
          type: integer
        enabled:
          type: boolean
        feedArchivedAt:
          description: >-
            Set once the feed is archived; its subscriptions are then
            force-disabled.
          format: date-time
          type: string
        feedId:
          type: string
        feedName:
          description: Feed name denormalized at read time.
          type: string
        id:
          type: string
        includeSelf:
          type: boolean
        intent:
          description: At most 4096 UTF-8 bytes.
          type: string
        lastEvaluatedAt:
          format: date-time
          type: string
        lastStatus:
          $ref: '#/components/schemas/EvaluationDecision'
        lastThreadId:
          type: string
        lastTurnId:
          type: string
        nextAt:
          format: date-time
          type: string
        pendingCount:
          format: int64
          minimum: 0
          type: integer
        target:
          $ref: '#/components/schemas/ThreadTarget'
        updatedAt:
          format: date-time
          type: string
        workspaceId:
          type: string
      required:
        - id
        - workspaceId
        - agentId
        - feedId
        - feedName
        - intent
        - condition
        - cadence
        - target
        - includeSelf
        - enabled
        - cursor
        - pendingCount
        - createdBy
        - createdAt
        - updatedAt
      type: object
    OperationResponse:
      additionalProperties: false
      properties:
        operation:
          $ref: '#/components/schemas/Operation'
      required:
        - operation
      type: object
    ErrorResponse:
      properties:
        attemptsRemaining:
          type: integer
        code:
          type: string
        error:
          type: string
        message:
          type: string
        retryAfterSeconds:
          type: integer
      required:
        - error
        - message
      type: object
    SubscriptionCadence:
      oneOf:
        - additionalProperties: false
          properties:
            mode:
              enum:
                - immediate
              type: string
          required:
            - mode
          type: object
        - additionalProperties: false
          properties:
            mode:
              enum:
                - window
              type: string
            windowSeconds:
              maximum: 86400
              minimum: 30
              type: integer
          required:
            - mode
            - windowSeconds
          type: object
        - additionalProperties: false
          properties:
            cron:
              description: Standard five-field cron expression.
              type: string
            mode:
              enum:
                - cron
              type: string
            timezone:
              description: IANA timezone used for cron evaluation.
              type: string
          required:
            - mode
            - cron
            - timezone
          type: object
    SubscriptionCondition:
      type: string
    Principal:
      properties:
        id:
          type: string
        identity:
          $ref: '#/components/schemas/Identity'
        origin:
          $ref: '#/components/schemas/Origin'
        type:
          enum:
            - user
            - api_key
            - agent
            - schedule
            - trigger
            - subscription
          type: string
      required:
        - type
        - id
      type: object
    EvaluationDecision:
      enum:
        - escalated
        - dismissed
        - failed
      type: string
    ThreadTarget:
      oneOf:
        - additionalProperties: false
          properties:
            mode:
              enum:
                - spawn
              type: string
          required:
            - mode
          type: object
        - additionalProperties: false
          properties:
            mode:
              enum:
                - thread
              type: string
            threadId:
              type: string
          required:
            - mode
            - threadId
          type: object
    Operation:
      additionalProperties: false
      properties:
        action:
          type: string
        agentId:
          type: string
        createdAt:
          format: date-time
          type: string
        expiresAt:
          format: date-time
          type: string
        id:
          type: string
        resolvedAt:
          format: date-time
          type: string
        resolvedBy:
          $ref: '#/components/schemas/Principal'
        result:
          $ref: '#/components/schemas/OperationResult'
        state:
          $ref: '#/components/schemas/OperationState'
      required:
        - id
        - agentId
        - action
        - state
        - createdAt
        - expiresAt
      type: object
    Identity:
      description: >-
        Provenance identity. Surrounding whitespace is trimmed on input; values
        may contain at most 512 UTF-8 bytes and no Unicode control characters.
      type: string
    Origin:
      additionalProperties: false
      description: >-
        Caller-asserted external event metadata. Only trigger principals may
        assert it; every other principal is rejected.
      properties:
        channelId:
          description: Provider channel identifier, limited to 512 UTF-8 bytes.
          type: string
        messageId:
          description: Provider message identifier, limited to 512 UTF-8 bytes.
          type: string
        provider:
          $ref: '#/components/schemas/OriginProvider'
        senderId:
          description: Provider sender identifier, limited to 512 UTF-8 bytes.
          type: string
        tenantId:
          description: Provider tenant identifier, limited to 512 UTF-8 bytes.
          type: string
        threadId:
          description: Provider thread identifier, limited to 512 UTF-8 bytes.
          type: string
      required:
        - provider
        - tenantId
        - senderId
      type: object
    OperationResult:
      additionalProperties: false
      properties:
        body: {}
        status:
          maximum: 599
          minimum: 100
          type: integer
      required:
        - status
      type: object
    OperationState:
      enum:
        - pending
        - denied
        - expired
        - executing
        - executed
        - failed
      type: string
    OriginProvider:
      description: >-
        Caller-asserted external event provider. This value carries no
        authority.
      enum:
        - slack
      type: string
  responses:
    PendingOperation:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OperationResponse'
      description: >-
        Request parked for workspace approval. Poll the returned operation
        handle for a terminal result.
    BadRequest:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
      description: Invalid request.
    NotFound:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
      description: Resource not found.
    RuntimeUnavailable:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
      description: Runtime environment is unavailable or cannot be selected.
  securitySchemes:
    APIKeyBearer:
      scheme: bearer
      type: http
    AgentLeaseBearer:
      description: >-
        Short-lived agent lease bearer installed in a sandbox provider HTTP
        boundary. Requests run as the owning agent and are checked against live
        agent permissions.
      scheme: bearer
      type: http

````

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