QuantCDN AI Task Management API

openapi: 3.2.0
info:
  description: Unified API for QuantCDN Admin and QuantCloud Platform services
  title: QuantCDN AI Agents AI Task Management API
  version: 4.15.8
servers:
- description: QuantCDN Public Cloud
  url: https://dashboard.quantcdn.io
- description: QuantGov Cloud
  url: https://dash.quantgov.cloud
security:
- BearerAuth: []
tags:
- description: Multi-agent task coordination and dependency management
  name: AI Task Management
paths:
  /api/v3/organizations/{organisation}/ai/tasks:
    get:
      description: "Lists tasks for an organization with optional filtering. Filters can be combined for powerful queries.\n     *\n     * **Filter Examples:**\n     * - All tasks in a list: ?taskListId=world-1\n     * - Pending tasks in a list: ?taskListId=world-1&status=pending\n     * - Tasks assigned to an agent: ?assignedAgentId=agent-code-reviewer\n     * - Combined: ?taskListId=world-1&status=in_progress&assignedAgentId=agent-1\n     *\n     * **Reverse Dependency Lookup:**\n     * Use `dependsOn` to find tasks that depend on a specific task (waiting for it to complete):\n     * - ?dependsOn=task-123 - Returns task IDs only (lightweight)\n     * - ?dependsOn=task-123&includeDetails=true - Returns full task objects\n     * - ?dependsOn=task-123&status=pending - Pending tasks waiting for task-123\n     *\n     * **Ordering:**\n     * Tasks are returned in reverse chronological order (most recent first)."
      operationId: listTasks
      parameters:
      - description: The organisation ID
        explode: false
        in: path
        name: organisation
        required: true
        schema:
          type: string
        style: simple
      - description: Filter tasks by task list ID. Task lists are implicit groupings - any string can be used.
        example: world-1
        explode: true
        in: query
        name: taskListId
        required: false
        schema:
          type: string
        style: form
      - description: Filter tasks by status
        example: pending
        explode: true
        in: query
        name: status
        required: false
        schema:
          enum:
          - pending
          - in_progress
          - completed
          - failed
          - cancelled
          - blocked
          type: string
        style: form
      - description: Filter tasks by assigned agent ID
        example: agent-code-reviewer
        explode: true
        in: query
        name: assignedAgentId
        required: false
        schema:
          type: string
        style: form
      - description: Maximum number of tasks to return (default 50, max 100)
        explode: true
        in: query
        name: limit
        required: false
        schema:
          default: 50
          maximum: 100
          minimum: 1
          type: integer
        style: form
      - description: 'Reverse lookup: find tasks that depend on this task ID. Returns tasks waiting for the specified task to complete.'
        example: 550e8400-e29b-41d4-a716-446655440000
        explode: true
        in: query
        name: dependsOn
        required: false
        schema:
          format: uuid
          type: string
        style: form
      - description: When using dependsOn, return full task objects in addition to IDs. Default false (IDs only for lightweight responses).
        explode: true
        in: query
        name: includeDetails
        required: false
        schema:
          default: false
          type: boolean
        style: form
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/listTasks_200_response'
          description: 'Tasks retrieved successfully. Response format varies: standard returns {tasks, count}, with dependsOn returns {taskIds, count, dependsOn}, with dependsOn+includeDetails returns {taskIds, tasks, count, dependsOn}'
        '500':
          description: Failed to list tasks
      summary: List tasks with optional filtering
      tags:
      - AI Task Management
    post:
      description: "Creates a new task for multi-agent coordination and workflow orchestration.\n     *\n     * **Key Features:**\n     * - **Persistent State**: Tasks survive across conversations and sessions\n     * - **Agent Assignment**: Pre-assign tasks to specific agents\n     * - **Task Lists**: Group related tasks using taskListId (implicit - no need to create lists first)\n     * - **Dependencies**: Define task dependencies for workflow orchestration\n     * - **Metadata**: Store flexible JSON metadata for task-specific data\n     * - **Progress Tracking**: Track progress from 0.0 to 1.0\n     *\n     * **Use Cases:**\n     * - Break down complex requests into manageable steps\n     * - Assign work to specialized agents\n     * - Track long-running operations\n     * - Coordinate multi-agent workflows"
      operationId: createTask
      parameters:
      - description: The organisation ID
        explode: false
        in: path
        name: organisation
        required: true
        schema:
          type: string
        style: simple
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/createTask_request'
        required: true
      responses:
        '201':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/createTask_201_response'
          description: Task created successfully
        '400':
          description: Invalid request
        '500':
          description: Failed to create task
      summary: Create a new task
      tags:
      - AI Task Management
  /api/v3/organizations/{organisation}/ai/tasks/{taskId}:
    delete:
      description: "Permanently deletes a task. This action cannot be undone.\n     *\n     * **Dependency Protection:**\n     * By default, deletion is blocked if other tasks depend on this task (TASK_HAS_DEPENDENTS error).\n     * This prevents breaking workflows.\n     *\n     * **Cascade Delete:**\n     * Use `?cascade=true` to delete the task AND all tasks that depend on it recursively.\n     * Useful for cleaning up entire dependency chains.\n     *\n     * **Examples:**\n     * - DELETE /tasks/{id} - Deletes task if no dependents, otherwise returns 409 error\n     * - DELETE /tasks/{id}?cascade=true - Deletes task and all dependent tasks"
      operationId: deleteTask
      parameters:
      - description: The organisation ID
        explode: false
        in: path
        name: organisation
        required: true
        schema:
          type: string
        style: simple
      - description: The task UUID
        explode: false
        in: path
        name: taskId
        required: true
        schema:
          format: uuid
          type: string
        style: simple
      - description: If true, delete task and all dependent tasks recursively
        explode: true
        in: query
        name: cascade
        required: false
        schema:
          default: false
          type: boolean
        style: form
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/deleteTask_200_response'
          description: Task deleted successfully
        '409':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/deleteTask_409_response'
          description: Task has dependents - cannot delete without cascade
        '404':
          description: Task not found
        '500':
          description: Failed to delete task
      summary: Delete a task
      tags:
      - AI Task Management
    get:
      description: Retrieves detailed information about a specific task including status, progress, dependencies, and results.
      operationId: getTask
      parameters:
      - description: The organisation ID
        explode: false
        in: path
        name: organisation
        required: true
        schema:
          type: string
        style: simple
      - description: The task UUID
        explode: false
        in: path
        name: taskId
        required: true
        schema:
          format: uuid
          type: string
        style: simple
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/getTask_200_response'
          description: Task details retrieved successfully
        '404':
          description: Task not found
        '500':
          description: Failed to get task
      summary: Get task details
      tags:
      - AI Task Management
    put:
      description: "Updates an existing task. All fields are optional - only provided fields will be updated.\n     *\n     * **Status Transitions:**\n     * - Changing from **pending** to **in_progress** automatically sets startedAt timestamp\n     * - Changing to **completed**, **failed**, or **cancelled** automatically sets completedAt timestamp\n     * - Changing to **blocked** automatically sets blockedAt timestamp\n     * - Changing from **blocked** to **in_progress** or **pending** clears blocked fields\n     * - Completed tasks get a 30-day TTL for automatic cleanup\n     *\n     * **Progress Updates:**\n     * - Update progress (0.0 to 1.0) to track completion percentage\n     * - Update progressMessage for human-readable status updates\n     * - Set result object when task completes successfully\n     * - Set error string when task fails\n     * - Set blockedReason and blockedByTaskIds when blocking a task"
      operationId: updateTask
      parameters:
      - description: The organisation ID
        explode: false
        in: path
        name: organisation
        required: true
        schema:
          type: string
        style: simple
      - description: The task UUID
        example: 550e8400-e29b-41d4-a716-446655440000
        explode: false
        in: path
        name: taskId
        required: true
        schema:
          format: uuid
          type: string
        style: simple
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/updateTask_request'
        required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/updateTask_200_response'
          description: Task updated successfully
        '400':
          description: Invalid request
        '404':
          description: Task not found
        '500':
          description: Failed to update task
      summary: Update a task
      tags:
      - AI Task Management
  /api/v3/organizations/{organisation}/ai/tasks/{taskListId}/dependency-graph:
    get:
      description: "Returns the full dependency graph for all tasks in a task list.\n     *\n     * **Use Cases:**\n     * - Visualize task dependencies in a UI (DAG diagram)\n     * - Analyze workflow structure and critical paths\n     * - Find starting tasks (roots) and terminal tasks (leaves)\n     * - Plan parallel execution by identifying independent task groups\n     *\n     * **Response Structure:**\n     * - `taskCount`: Total number of tasks in the list\n     * - `roots`: Task IDs with no dependencies (starting points)\n     * - `leaves`: Task IDs with no dependents (terminal tasks)\n     * - `graph`: Adjacency list with each task's dependencies and dependents"
      operationId: getDependencyGraph
      parameters:
      - description: The organisation ID
        explode: false
        in: path
        name: organisation
        required: true
        schema:
          type: string
        style: simple
      - description: The task list ID to get the dependency graph for
        example: world-1
        explode: false
        in: path
        name: taskListId
        required: true
        schema:
          type: string
        style: simple
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/getDependencyGraph_200_response'
          description: Dependency graph retrieved successfully
        '500':
          description: Failed to get dependency graph
      summary: Get dependency graph for a task list
      tags:
      - AI Task Management
components:
  schemas:
    listTasks_200_response:
      example:
        dependsOn: 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        count: 2
        taskIds:
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        tasks:
        - createdAt: 1735689600000
          assignedAgentId: agent-123
          blockedByTaskIds:
          - blockedByTaskIds
          - blockedByTaskIds
          blockedReason: blockedReason
          description: Extract text from PDF, analyze content
          progress: 0.5
          taskListId: world-1
          title: Process document and create summary
          taskId: 550e8400-e29b-41d4-a716-446655440000
          orgId: quant
          status: in_progress
          updatedAt: 1735689700000
        - createdAt: 1735689600000
          assignedAgentId: agent-123
          blockedByTaskIds:
          - blockedByTaskIds
          - blockedByTaskIds
          blockedReason: blockedReason
          description: Extract text from PDF, analyze content
          progress: 0.5
          taskListId: world-1
          title: Process document and create summary
          taskId: 550e8400-e29b-41d4-a716-446655440000
          orgId: quant
          status: in_progress
          updatedAt: 1735689700000
      properties:
        tasks:
          items:
            $ref: '#/components/schemas/listTasks_200_response_tasks_inner'
          type: array
        taskIds:
          description: Task IDs (only with dependsOn filter)
          items:
            format: uuid
            type: string
          type: array
        count:
          example: 2
          type: integer
        dependsOn:
          description: The queried task ID (only with dependsOn filter)
          format: uuid
          type: string
      type: object
    updateTask_200_response:
      example:
        taskId: 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        status: status
        updatedAt: 0
      properties:
        taskId:
          format: uuid
          type: string
        status:
          type: string
        updatedAt:
          type: integer
      type: object
    updateTask_request:
      properties:
        title:
          example: Updated task title
          type: string
        description:
          example: Updated description with more details
          type: string
        taskListId:
          description: Move task to different list or remove from list (set null)
          example: world-2
          type:
          - string
          - 'null'
        status:
          description: Task status (triggers automatic timestamp updates)
          enum:
          - pending
          - in_progress
          - completed
          - failed
          - cancelled
          - blocked
          example: in_progress
          type: string
        assignedAgentId:
          description: Reassign task to different agent
          example: agent-specialist
          type:
          - string
          - 'null'
        dependsOn:
          description: Update task dependencies
          example:
          - 550e8400-e29b-41d4-a716-446655440000
          items:
            format: uuid
            type: string
          type: array
        metadata:
          description: Update task metadata (replaces entire metadata object)
          example:
            priority: urgent
          type: object
        progress:
          description: Progress from 0.0 to 1.0
          example: 0.75
          format: float
          maximum: 1
          minimum: 0
          type: number
        progressMessage:
          description: Human-readable progress message
          example: Processing document 3 of 4...
          type: string
        result:
          description: Task result data (set when completing task)
          example:
            summary: Document processed successfully
            wordCount: 1500
          type: object
        error:
          description: Error message (set when task fails)
          example: Failed to connect to external API
          type:
          - string
          - 'null'
        retryCount:
          description: Update retry count
          example: 1
          minimum: 0
          type: integer
        maxRetries:
          description: Update maximum retry attempts
          example: 5
          maximum: 10
          minimum: 0
          type: integer
        blockedReason:
          description: Reason task is blocked (set when status is blocked)
          example: Waiting for external approval
          type:
          - string
          - 'null'
        blockedByTaskIds:
          description: Task IDs that are blocking this task
          items:
            format: uuid
            type: string
          type:
          - array
          - 'null'
      type: object
    getDependencyGraph_200_response:
      example:
        taskCount: 4
        leaves:
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        taskListId: world-1
        roots:
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        graph: '{}'
      properties:
        taskListId:
          example: world-1
          type: string
        taskCount:
          example: 4
          type: integer
        roots:
          description: Task IDs with no dependencies
          items:
            format: uuid
            type: string
          type: array
        leaves:
          description: Task IDs with no dependents
          items:
            format: uuid
            type: string
          type: array
        graph:
          description: Adjacency list with task summaries, dependsOn, and dependents arrays
          type: object
      type: object
    createTask_201_response:
      example:
        createdAt: 0
        title: title
        taskId: 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        orgId: orgId
        status: status
      properties:
        taskId:
          format: uuid
          type: string
        orgId:
          type: string
        title:
          type: string
        status:
          type: string
        createdAt:
          type: integer
      type: object
    deleteTask_409_response:
      example:
        dependentTaskIds:
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        error: TASK_HAS_DEPENDENTS
        message: Cannot delete task with 3 dependent task(s). Use cascade=true to delete all.
      properties:
        error:
          example: TASK_HAS_DEPENDENTS
          type: string
        message:
          example: Cannot delete task with 3 dependent task(s). Use cascade=true to delete all.
          type: string
        dependentTaskIds:
          items:
            format: uuid
            type: string
          type: array
      type: object
    deleteTask_200_response:
      example:
        deleted: true
        deletedCount: 1
        deletedTaskIds:
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
      properties:
        deleted:
          example: true
          type: boolean
        deletedCount:
          description: Number of tasks deleted (more than 1 for cascade)
          example: 1
          type: integer
        deletedTaskIds:
          items:
            format: uuid
            type: string
          type: array
      type: object
    createTask_request:
      properties:
        title:
          description: Task title
          example: Process document and create summary
          type: string
        description:
          description: Detailed task description
          example: Extract text from PDF, analyze content, and generate executive summary
          type: string
        taskListId:
          description: Task list ID for grouping related tasks (implicit - lists are created automatically)
          example: world-1
          type: string
        status:
          default: pending
          description: Initial task status
          enum:
          - pending
          - in_progress
          - completed
          - failed
          - cancelled
          - blocked
          type: string
        assignedAgentId:
          description: Pre-assign task to specific agent
          example: agent-code-reviewer
          type: string
        createdByAgentId:
          description: Agent ID that created this task
          example: agent-coordinator
          type: string
        dependsOn:
          description: Task IDs that must complete before this task can start
          example:
          - 550e8400-e29b-41d4-a716-446655440000
          items:
            format: uuid
            type: string
          type: array
        metadata:
          description: Flexible JSON metadata for task-specific data
          example:
            priority: high
            tags:
            - document-processing
            workflow: document-pipeline
          type: object
        maxRetries:
          default: 3
          description: Maximum retry attempts on failure
          maximum: 10
          minimum: 0
          type: integer
        blockedReason:
          description: Reason task is blocked (when status is blocked)
          example: Waiting for approval
          type: string
        blockedByTaskIds:
          description: Task IDs that are blocking this task
          items:
            format: uuid
            type: string
          type: array
      required:
      - title
      type: object
    getTask_200_response:
      example:
        metadata:
          priority: high
        completedAt: 6
        blockedByTaskIds:
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        dependsOn:
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        - 046b6c7f-0b8a-43b9-b35d-6489e6daee91
        blockedReason: blockedReason
        retryCount: 0
        description: Extract text from PDF, analyze content
        startedAt: 0
        title: Process document and create summary
        error: error
        orgId: quant
        expiresAt: 1
        result: '{}'
        createdAt: 1735689600000
        assignedAgentId: agent-123
        maxRetries: 3
        blockedAt: 5
        progress: 0.5
        createdByAgentId: agent-coordinator
        taskListId: world-1
        taskId: 550e8400-e29b-41d4-a716-446655440000
        status: in_progress
        progressMessage: Extracted text, analyzing content...
        updatedAt: 1735689700000
      properties:
        taskId:
          example: 550e8400-e29b-41d4-a716-446655440000
          format: uuid
          type: string
        orgId:
          example: quant
          type: string
        taskListId:
          example: world-1
          type:
          - string
          - 'null'
        title:
          example: Process document and create summary
          type: string
        description:
          example: Extract text from PDF, analyze content
          type: string
        status:
          enum:
          - pending
          - in_progress
          - completed
          - failed
          - cancelled
          - blocked
          example: in_progress
          type: string
        assignedAgentId:
          example: agent-123
          type:
          - string
          - 'null'
        createdByAgentId:
          example: agent-coordinator
          type:
          - string
          - 'null'
        dependsOn:
          items:
            format: uuid
            type: string
          type: array
        metadata:
          example:
            priority: high
          type: object
        progress:
          example: 0.5
          format: float
          maximum: 1
          minimum: 0
          type: number
        progressMessage:
          example: Extracted text, analyzing content...
          type: string
        result:
          description: Task result data when completed
          type:
          - object
          - 'null'
        error:
          description: Error message if status is failed
          type:
          - string
          - 'null'
        retryCount:
          example: 0
          type: integer
        maxRetries:
          example: 3
          type: integer
        createdAt:
          description: Unix timestamp in milliseconds
          example: 1735689600000
          format: int64
          type: integer
        updatedAt:
          description: Unix timestamp in milliseconds
          example: 1735689700000
          format: int64
          type: integer
        startedAt:
          description: When status changed to in_progress
          format: int64
          type:
          - integer
          - 'null'
        completedAt:
          description: When task completed/failed/cancelled
          format: int64
          type:
          - integer
          - 'null'
        expiresAt:
          description: TTL timestamp for completed tasks
          format: int64
          type:
          - integer
          - 'null'
        blockedReason:
          description: Reason task is blocked
          type:
          - string
          - 'null'
        blockedByTaskIds:
          description: Task IDs that are blocking this task
          items:
            format: uuid
            type: string
          type:
          - array
          - 'null'
        blockedAt:
          description: When status changed to blocked
          format: int64
          type:
          - integer
          - 'null'
      type: object
    listTasks_200_response_tasks_inner:
      example:
        createdAt: 1735689600000
        assignedAgentId: agent-123
        blockedByTaskIds:
        - blockedByTaskIds
        - blockedByTaskIds
        blockedReason: blockedReason
        description: Extract text from PDF, analyze content
        progress: 0.5
        taskListId: world-1
        title: Process document and create summary
        taskId: 550e8400-e29b-41d4-a716-446655440000
        orgId: quant
        status: in_progress
        updatedAt: 1735689700000
      properties:
        taskId:
          example: 550e8400-e29b-41d4-a716-446655440000
          format: uuid
          type: string
        orgId:
          example: quant
          type: string
        taskListId:
          example: world-1
          type:
          - string
          - 'null'
        title:
          example: Process document and create summary
          type: string
        description:
          example: Extract text from PDF, analyze content
          type: string
        status:
          enum:
          - pending
          - in_progress
          - completed
          - failed
          - cancelled
          - blocked
          example: in_progress
          type: string
        assignedAgentId:
          example: agent-123
          type:
          - string
          - 'null'
        progress:
          example: 0.5
          maximum: 1
          minimum: 0
          type: number
        blockedReason:
          type:
          - string
          - 'null'
        blockedByTaskIds:
          items:
            type: string
          type:
          - array
          - 'null'
        createdAt:
          example: 1735689600000
          type: integer
        updatedAt:
          example: 1735689700000
          type: integer
      type: object
  securitySchemes:
    BearerAuth:
      bearerFormat: JWT
      description: 'Enter your Bearer token in the format: `Bearer <your-token-here>`. Obtain your API token from the QuantCDN dashboard under Profile > API Tokens.'
      scheme: bearer
      type: http