Mavenlink Story Dependencies API

openapi: 3.2.0
info:
  version: 1.0.0
  title: Kantata OX API Documentation Story Dependencies API
  description: Kantata OX's API provides access to the majority of Kantata OX's data model.
  termsOfService: https://www.kantata.com/terms-of-use
  contact:
    name: Kantata OX Support
    url: https://knowledge.kantata.com/hc/en-us
  license:
    name: COPYRIGHT © 2026 Kantata, Inc.
    url: https://www.kantata.com/terms-of-use
  x-logo:
    url: https://theme.zdassets.com/theme_assets/56104/04e93064d309f75d054b8cee885d1ea51e9be8f7.png
    backgroundColor: '#FFFFFF'
    altText: Kantata OX API Documentation
    href: https://developer.kantata.com
servers:
- url: https://api.mavenlink.com/api/v1
tags:
- name: Story Dependencies
  description: Story dependencies define relationships between tasks and the sequence in which they must be completed in order to close a project.
paths:
  /story_dependencies:
    get:
      summary: Fetching a list of Story Dependencies
      description: 'This endpoint returns structured Story Dependency objects.

        As with all Kantata OX API endpoints, the returned data will be referenced in sorted order in the `results` array

        and will be indexed by ID in the `story_dependencies` top-level JSON key.

        Please see our Response Format section for more information.'
      operationId: Get Story Dependencies
      tags:
      - Story Dependencies
      parameters:
      - in: query
        name: created_after
        description: Filter for records created after a specified datetime. The datetime must be in [ISO 8601](https://www.w3.org/TR/NOTE-datetime) format.
        schema:
          type: string
          format: date-time
      - in: query
        name: created_before
        description: Filter for records created before a specified datetime. The datetime must be in [ISO 8601](https://www.w3.org/TR/NOTE-datetime) format.
        schema:
          type: string
          format: date-time
      - in: query
        name: include
        description: 'Any of the below associations can be included in your request by providing the `include` param, e.g. `include=association1,association2`.

          - `source` (Story) - The tasks that are predecessor tasks.

          - `target` (Story) - The tasks that are successor tasks.'
        schema:
          type: string
      - in: query
        name: only
        description: 'Allows you to request one or more resources directly by ID. Multiple IDs can be supplied

          in a comma separated list, like `GET /api/v1/workspaces.json?only=5,6,7`.'
        schema:
          type: string
      - in: query
        name: order
        description: 'Supply `order` with the name of a valid sort field for the endpoint and a direction.


          Valid values: `updated_at:asc` and `updated_at:desc`.'
        schema:
          type: string
          default: updated_at:desc
      - in: query
        name: page
        schema:
          type: integer
          format: int32
          default: 1
      - in: query
        name: per_page
        schema:
          type: integer
          format: int32
          default: 20
          maximum: 200
      - in: query
        name: show_archived
        description: If set to `true`, includes in the response dependencies where the target is an archived task.
        schema:
          type: boolean
          default: false
      - in: query
        name: show_deleted
        description: If set to `true`, includes in the response dependencies where the target is an deleted task.
        schema:
          type: boolean
          default: false
      - in: query
        name: show_from_archived_workspaces
        description: If set to `true`, includes in the response dependencies where the tasks belong to archived projects.
        schema:
          type: boolean
          default: false
      - in: query
        name: source_id
        description: Filter for dependencies where this task is the predecessor, i.e. the task that controls the start or end date for all related successor tasks.
        schema:
          type: integer
          format: int32
      - in: query
        name: target_id
        description: Filter for dependencies where this task is the successor, i.e. the task whose start or end date is controlled by a predecessor.
        schema:
          type: integer
          format: int32
      - in: query
        name: updated_after
        description: Filter for records updated after a specified datetime. The datetime must be in [ISO 8601](https://www.w3.org/TR/NOTE-datetime) format.
        schema:
          type: string
          format: date-time
      - in: query
        name: updated_before
        description: Filter for records updated before a specified datetime. The datetime must be in [ISO 8601](https://www.w3.org/TR/NOTE-datetime) format.
        schema:
          type: string
          format: date-time
      - in: query
        name: workspace_id
        description: Filter for dependencies where the tasks belong to a specific project.
        schema:
          type: integer
          format: int32
      responses:
        '200':
          description: A list of Story Dependencies have been retrieved.
          content:
            application/json:
              schema:
                type: object
                properties:
                  count:
                    type: integer
                    format: int32
                  meta:
                    type: object
                    properties:
                      count:
                        type: integer
                        format: int32
                      page_count:
                        type: integer
                        format: int32
                      page_number:
                        type: integer
                        format: int32
                      page_size:
                        type: integer
                        format: int32
                  results:
                    type: array
                    items:
                      type: object
                      properties:
                        key:
                          type: string
                        id:
                          type: string
                  story_dependencies:
                    type: object
                    additionalProperties:
                      $ref: '#/components/schemas/StoryDependency'
                  stories:
                    type: object
                    additionalProperties:
                      $ref: '#/components/schemas/Story'
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Errors'
        '401':
          description: Unauthorized request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Errors'
        '403':
          description: Forbidden request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Errors'
        '404':
          description: Page Not Found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Errors'
        '422':
          description: Unprocessable Entity
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Errors'
        '503':
          description: Service is unavailable
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Errors'
  /story_dependencies/{id}:
    get:
      summary: Fetching a single Story Dependency
      description: 'This endpoint returns structured Story Dependency objects.

        As with all Kantata OX API endpoints, the returned data will be referenced in sorted order in the `results` array

        and will be indexed by ID in the `story_dependencies` top-level JSON key.

        Please see our Response Format section for more information.'
      operationId: Get Story Dependency
      tags:
      - Story Dependencies
      parameters:
      - in: path
        name: id
        required: true
        description: The ID of the Model.
        schema:
          type: integer
      - in: query
        name: include
        description: 'Any of the below associations can be included in your request by providing the `include` param, e.g. `include=association1,association2`.

          - `source` (Story) - The tasks that are predecessor tasks.

          - `target` (Story) - The tasks that are successor tasks.'
        schema:
          type: string
      responses:
        '200':
          description: The Story Dependency has been retrieved.
          content:
            application/json:
              schema:
                type: object
                properties:
                  count:
                    type: integer
                    format: int32
                  meta:
                    type: object
                    properties:
                      count:
                        type: integer
                        format: int32
                      page_count:
                        type: integer
                        format: int32
                      page_number:
                        type: integer
                        format: int32
                      page_size:
                        type: integer
                        format: int32
                  results:
                    type: array
                    items:
                      type: object
                      properties:
                        key:
                          type: string
                        id:
                          type: string
                  story_dependencies:
                    type: object
                    additionalProperties:
                      $ref: '#/components/schemas/StoryDependency'
                  stories:
                    type: object
                    additionalProperties:
                      $ref: '#/components/schemas/Story'
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Errors'
        '401':
          description: Unauthorized request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Errors'
        '403':
          description: Forbidden request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Errors'
        '404':
          description: Page Not Found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Errors'
        '422':
          description: Unprocessable Entity
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Errors'
        '503':
          description: Service is unavailable
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Errors'
components:
  schemas:
    StoryDependency:
      title: Story Dependency
      description: Story dependencies define relationships between tasks and the sequence in which they must be completed in order to close a project. A dependency is between two tasks (stories) in a project (workspace), with one being the predecessor (source) task, and the other the successor (target) task. To learn more about dependencies, see our [Gantt Chart Dependencies article](https://mavenlink.zendesk.com/hc/en-us/articles/360000456874-Gantt-Chart-Dependencies).
      type: object
      properties:
        created_at:
          type: string
          format: date-time
        dependency_type:
          type: integer
          format: int32
          description: 'The type of the dependency.

            - `0`: Start to Start (SS)—The predecessor begins before the successor can begin.

            - `1`: Start to Finish (SF)—The predecessor begins before the successor can end.

            - `2`: Finish to Start (FS)—The predecessor ends before the successor can begin.

            - `3`: Finish to Finish (FF)—The predecessor ends before the successor can end.'
        lag:
          type: integer
          format: int32
          description: The days between the predecessor task ending and the successor task beginning.
        source_id:
          type: string
          description: '`source_id` will only be included in the response if `source` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        target_id:
          type: string
          description: '`target_id` will only be included in the response if `target` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        updated_at:
          type: string
          format: date-time
    Story:
      title: Story
      description: 'Stories (known as [tasks](https://knowledge.kantata.com/hc/en-us/articles/202806550-Tasks-Overview) in the UI)

        are the tasks, deliverables, issues, and milestones required to complete a project.

        Stories belong to [Workspaces](/tag/Workspaces), appear in the

        [Local Task Tracker](https://knowledge.kantata.com/hc/en-us/articles/202490134-Project-Task-Tracker) and the

        [Global Tasks Tracker](https://knowledge.kantata.com/hc/en-us/articles/216424897-Global-Tasks-Tracker),

        can be linked to [Posts](/tag/Posts), can have substories (subtasks) and

        [Story Tasks](https://developer.kantata.com/tag/Story-Tasks) (checklists), and have many attributes for

        planning, organization, and financials.'
      type: object
      properties:
        ancestor_ids:
          type: array
          items:
            type: string
          description: The IDs of all the ancestor (i.e. parent) tasks of the task. This is empty for a top-level task.
        ancestry_depth:
          type: integer
          format: int32
          description: The number of levels a subtask is nested below the top-level task. Possible values are between `0` (i.e. a top-level task) and `4`.
        archived:
          type: boolean
          description: Whether the task is archived.
        archived_editable:
          type: boolean
          description: 'For archived tasks, whether the authenticated user can edit the task.

            Only returned when requested through the optional_fields param.'
        assigned_role_id:
          type: string
          description: '`assigned_role_id` will only be included in the response if `assigned_role` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        assignee_ids:
          type: array
          items:
            type: string
          description: '`assignee_ids` will only be included in the response if `assignees` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        assignment_timestamped_at:
          type: string
          format: date-time
        attachment_ids:
          type: array
          items:
            type: string
          description: '`attachment_ids` will only be included in the response if `attachments` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        billable:
          type: boolean
          description: Whether the task is billable.
        budget_estimate_in_cents:
          type: integer
          format: int32
          description: 'The task budget, in the subunits of the currency (e.g. cents for USD).

            Visible when the API user can view story budgets in the story''s workspace.'
        budget_used_in_cents:
          type: integer
          format: int32
          description: 'How much of the task budget has been used, in the subunits of the currency (e.g. cents for USD).

            Visible when the API user can view story budgets in the story''s workspace.'
        can_align_time:
          type: boolean
          description: 'Whether [Daily Scheduled Hours](/tag/Daily-Scheduled-Hours-(Story-Allocation-Days)) (i.e. Story Allocation Days) that are out of sync with the task start or due date can be realigned to the task start date.

            Only returned when requested through the optional_fields param.'
        can_edit:
          type: boolean
          description: 'Whether the authenticated user can edit the task. For archived tasks, refer to `archived_editable` instead.

            Only returned when requested through the optional_fields param.'
        can_post:
          type: boolean
          description: 'Whether the authenticated user can create posts in the project the task is in.

            Only returned when requested through the optional_fields param.'
        created_at:
          type: string
          format: date-time
        creator_id:
          type: string
          description: '`creator_id` will only be included in the response if `creator` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        current_assignment_ids:
          type: array
          items:
            type: string
          description: '`current_assignment_ids` will only be included in the response if `current_assignments` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        custom_field_value_ids:
          type: array
          items:
            type: string
          description: '`custom_field_value_ids` will only be included in the response if `custom_field_values` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        custom_task_status_id:
          type: integer
          format: int32
          description: 'The ID of the task''s custom status. If the workspace is not using a custom task status set, this is `null`.

            Only returned when requested through the optional_fields param.'
        deleted_at:
          type: string
          format: date-time
        descendant_ids:
          type: array
          items:
            type: string
          description: '`descendant_ids` will only be included in the response if `descendants` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        description:
          type: string
          description: The task description. Markdown syntax is included.
        due_date:
          type: string
          format: date
          description: When the task is due.
        external_reference_ids:
          type: array
          items:
            type: string
          description: '`external_reference_ids` will only be included in the response if `external_references` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        fixed_fee:
          type: boolean
          description: Whether the task is fixed fee (`true`) or time and materials (`false`).
        follower_ids:
          type: array
          items:
            type: string
          description: '`follower_ids` will only be included in the response if `followers` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        formatted_description:
          type: string
          description: 'The task description with special formatting, like emoji and @-mentions.

            Only returned when requested through the optional_fields param.'
        google_document_ids:
          type: array
          items:
            type: string
          description: '`google_document_ids` will only be included in the response if `google_documents` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        has_out_of_bounds_sads:
          type: boolean
          description: 'Whether the task has any [Daily Scheduled Hours](/tag/Daily-Scheduled-Hours-(Story-Allocation-Days)) (i.e. Story Allocation Days) before its start date or after its due date.

            Only returned when requested through the optional_fields param.'
        invoiced_balance_in_cents:
          type: integer
          format: int32
          description: 'How much has been invoiced for the task, in the subunits of the currency (e.g. cents for USD).

            Visible when the API user can view story budgets in the story''s workspace.'
        is_time_trackable_type:
          type: boolean
          description: 'Whether the task can have time and expenses tracked against it, as set in account settings.

            Only returned when requested through the optional_fields param.'
        logged_billable_time_in_minutes:
          type: integer
          format: int32
          description: 'How much billable time has been tracked against the task, in minutes.

            Visible when the API user can view story time estimates in the story''s workspace.'
        logged_nonbillable_time_in_minutes:
          type: integer
          format: int32
          description: 'How much non-billable time has been tracked against the task, in minutes.

            Visible when the API user can view story time estimates in the story''s workspace.'
        parent_id:
          type: string
          description: '`parent_id` will only be included in the response if `parent` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        parsed_description:
          type: string
          description: 'The task description. Markdown syntax is not included.

            Only returned when requested through the optional_fields param.'
        percentage_complete:
          type: integer
          format: int32
          description: The percentage of work done on the task.
        position:
          type: integer
          format: int32
          description: Represents the task's position in the Task Tracker. This is not the same as the WBS (Work Breakdown Structure) number shown in the UI.
        potential_workspace_resource_ids:
          type: array
          items:
            type: string
          description: '`potential_workspace_resource_ids` will only be included in the response if `potential_workspace_resources` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        potential_workspace_resources_with_unnamed_ids:
          type: array
          items:
            type: string
          description: '`potential_workspace_resources_with_unnamed_ids` will only be included in the response if `potential_workspace_resources_with_unnamed` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        priority:
          type: integer
          format: int32
          description: The priority of the task. Possible values are `critical`, `high`, `normal`, `low`.
        project_plan:
          type: boolean
          description: Whether the story is a project task (`true`) or is a To Do (`false`).
        read_only:
          type: boolean
          description: 'Whether the authenticated user can only view the task and cannot edit it.

            Only returned when requested through the optional_fields param.'
        render_description_markdown:
          type: boolean
          description: 'Whether the account the task is in is set to render Markdown in task descriptions as formatted and styled text.

            Only returned when requested through the optional_fields param.'
        reply_ids:
          type: array
          items:
            type: string
          description: '`reply_ids` will only be included in the response if `replies` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        root_id:
          type: string
          description: '`root_id` will only be included in the response if `root` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        source_dependency_ids:
          type: array
          items:
            type: string
          description: '`source_dependency_ids` will only be included in the response if `source_dependencies` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        start_date:
          type: string
          format: date
          description: When the task starts.
        state:
          type: string
          description: 'The status type of the story. Possible values are `not started`, `started`, `needs info`, or `completed`. If task status sets are not activated on the account, the following values are also possible: `new`, `reopened`, `in progress`, `blocked`, `fixed`, `duplicate`, `can''t reproduce`, `resolved`, or `won''t fix`. The actual task status is returned in the `status` field.'
        status:
          type: string
          description: The status of the story.
        story_state_change_ids:
          type: array
          items:
            type: string
          description: '`story_state_change_ids` will only be included in the response if `story_state_changes` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        story_task_ids:
          type: array
          items:
            type: string
          description: '`story_task_ids` will only be included in the response if `story_tasks` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        story_type:
          type: string
          description: The task's type. Possible values are `task`, `deliverable `, `milestone`, and `issue`.
        sub_stories_billable_time_in_minutes:
          type: integer
          format: int32
          description: 'How much billable time has been tracked against the task''s descendants, in minutes.

            Visible when the API user can view story time estimates in the story''s workspace.'
        sub_stories_budget_estimate_in_cents:
          type: integer
          format: int32
          description: 'The budget of the task''s descendants, in the subunits of the currency (e.g. cents for USD).

            Visible when the API user can view story budgets in the story''s workspace.'
        sub_stories_budget_used_in_cents:
          type: integer
          format: int32
          description: 'How much of the budgets of the task''s descendants has been used, in the subunits of the currency (e.g. cents for USD).

            Visible when the API user can view story budgets in the story''s workspace.'
        sub_stories_time_estimate_in_minutes:
          type: integer
          format: int32
          description: 'The estimated time of the task''s descendants, in minutes.

            Visible when the API user can view story time estimates in the story''s workspace.'
        sub_story_count:
          type: integer
          format: int32
          description: How many descendant tasks the task has.
        sub_story_ids:
          type: array
          items:
            type: string
          description: '`sub_story_ids` will only be included in the response if `sub_stories` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        subtree_depth:
          type: integer
          format: int32
          description: How many ancestor tasks the task has.
        tag_ids:
          type: array
          items:
            type: string
          description: '`tag_ids` will only be included in the response if `tags` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        target_dependency_ids:
          type: array
          items:
            type: string
          description: '`target_dependency_ids` will only be included in the response if `target_dependencies` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        time_estimate_in_minutes:
          type: integer
          format: int32
          description: 'The estimated time for the task, in minutes.

            Visible when the API user can view story time estimates in the story''s workspace.'
        time_trackable:
          type: boolean
          description: Whether time can be tracked against the task.
        title:
          type: string
          description: The title of the task.
        uninvoiced_balance_in_cents:
          type: integer
          format: int32
          description: 'How much has not yet been invoiced for the task, in the subunits of the currency (e.g. cents for USD).

            Visible when the API user can view story budgets in the story''s workspace.'
        updated_at:
          type: string
          format: date-time
        weight:
          type: integer
          format: int32
          description: 'If the `story_type` is `milestone`, this is the [weight](https://knowledge.kantata.com/hc/en-us/articles/203499904-Milestone-Weighting) of the task.

            Visible when the API user can view story time estimates in the story''s workspace.'
        workspace_id:
          type: string
          description: '`workspace_id` will only be included in the response if `workspace` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        workspace_resource_ids:
          type: array
          items:
            type: string
          description: '`workspace_resource_ids` will only be included in the response if `workspace_resources` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
        workspace_resources_with_unnamed_ids:
          type: array
          items:
            type: string
          description: '`workspace_resources_with_unnamed_ids` will only be included in the response if `workspace_resources_with_unnamed` is in the list of included associations. See <a href=''#section/Includes''>include</a> section for usage.'
    Errors:
      type: object
      properties:
        errors:
          type: array
          items:
            $ref: '#/components/schemas/Error'
    Error:
      type: object
      properties:
        type:
          type: string
        message:
          type: string
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  tags:
  - Access Group Memberships
  - Account Colors
  - Account Invitations
  - Account Memberships
  - Backup Approver Associations
  - Billable Utilizations
  - Cost Rates
  - Custom Branding
  - Organization Memberships
  - Organizations
  - Roles
  - Skill Categories
  - Skill Memberships
  - Skills
  - Task Status Sets
  - Task Statuses
  - User Group Memberships
  - Users
- name: Currencies
  tags:
  - Currencies
- name: Custom Fields
  tags:
  - Custom Field Choices
  - Custom Field Sets
  - Custom Field Values
  - Custom Fields
- name: Data Exporter
  tags:
  - Data Export Schema
  - Data Exports
- name: Estimates
  tags:
  - Estimate Scenario Resource Allocations
  - Estimate Scenario Resources
  - Estimate Scenarios
  - Estimates
- name: Expense Budgets
  tags:
  - Expense Budgets
- name: Expense Tracking
  tags:
  - Attachments
  - Expense Categories
  - Expense Report Submissions
  - Expenses
  - Vendors
- name: External References
  tags:
  - External References
- name: Financials
  tags:
  - Billing Milestones
  - Revenue Recognition Methods
- name: Foreign Exchange
  tags:
  - Exchange Tables
- name: Insights & Analytics
  tags:
  - Insights Access Group Memberships
  - Insights Dynamic Dashboards
  - Insights Report Exports
  - Insights Reports
- name: Invoices
  tags:
  - Client Invoice Defaults
  

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# Full source: https://raw.githubusercontent.com/api-evangelist/mavenlink/refs/heads/main/openapi/mavenlink-story-dependencies-api-openapi.yml