---
title: "Get subtasks"
method: GET
path: "/api/v1/subtasks"
tags: ["Subtasks"]
---

# Get subtasks

`GET /api/v1/subtasks`

## Request

- Base URL: `https://api.atono.io`
- URL: `https://api.atono.io/api/v1/subtasks`
- Auth: API key in header `X-API-KEY`

## Query parameters

- `filter[backlogItemId]` string, nullable: Finds subtasks belonging to the specified story or bug. Provide the UUID or handle of the backlog item (e.g., `STORY-123` or `BUG-456`).
- `include` SubtaskControllerInclusionType[], nullable
- `page[number]` integer, nullable: Returns a specific page of results, starting from page `0`. Use with `page[size]` to control how many items are returned per page. For example, if `page[size]` is `20`, then `page[number]=2` returns items 21-40.
- `page[size]` integer, nullable: Controls how many items are returned in each response page.
- `page[offset]` integer, nullable: Skips the specified number of items before starting the result set. For example, if `page[offset]` is `30` and `page[size]` is `10`, the response returns items 31-40.
- `sort` string[], nullable

## Response `200`

Successfully retrieved the list of subtasks.

- MultiResourceBodySubtaskResource
  - `data` SubtaskResource[]: A list of returned resources, based on the request.
    - `type` string: Identifies the type of resource.
    - `id` string, uuid: The unique identifier for the resource, typically a UUID.
    - `attributes` SubtaskResourceAttributes: Contains the structured data fields that describe the resource, such as properties, settings, and timestamps.
      - `title` string: The title of the subtask.
      - `description` string, nullable: An optional description providing additional detail about the subtask.
      - `step` 'TODO' | 'IN_PROGRESS' | 'DONE' | 'WONT_DO': The current completion step of the subtask. One of `TODO`, `IN_PROGRESS`, `DONE`, or `WONT_DO`.
      - `position` integer: The subtask's position within its parent backlog item, where `0` is the topmost item.
      - `createdAt` string, date-time: The date and time the subtask was created.
      - `updatedAt` string, date-time: The date and time the subtask was last updated.
    - `relationships` SubtaskResourceRelationships: Contains references to other related resources.
      - `backlogItem` SingleRelationship
        - `links` RelationshipLinks, required
          - `self` string, uri, nullable, required
          - `related` string, uri, nullable, required
        - `data` ResourceIdentifier, required
          - `type` string, required: Identifies the type of the linked resource.
          - `id` string, required: The unique identifier of the linked resource.
        - `meta` unknown, required
      - `assignee` SingleRelationship
        - `links` RelationshipLinks, required
          - `self` string, uri, nullable, required
          - `related` string, uri, nullable, required
        - `data` ResourceIdentifier, required
          - `type` string, required: Identifies the type of the linked resource.
          - `id` string, required: The unique identifier of the linked resource.
        - `meta` unknown, required
  - `errors` ProblemDetail[]: A list of errors returned with the response, if the request could not be completed. Each object includes details about a specific issue.
    - `id` string: A unique identifier for this specific error occurrence. Useful for debugging and support.
    - `links` object, nullable: Links related to the error. May include a URL to relevant documentation or support resources.
    - `status` integer: The HTTP status code associated with the error (e.g., 400, 404, 422).
    - `code` string: An internal code that identifies the type or category of the error.
    - `title` string: A short summary of the problem.
    - `source` ProblemSource: Identifies the part of the request that caused the error. Only one source is present per error.
      - `pointer` string, nullable: Specifies the path to the field in the request body that caused the error.
      - `parameter` string, nullable: Identifies a query parameter in the request URL that caused the error.
      - `header` string, nullable: Identifies the request header that caused the error.
    - `detail` string: Additional information about the error, intended to provide more context than the title.
    - `meta` unknown
  - `meta` unknown
  - `included` unknown[]: A list of related resources included in the response, either automatically by the API or in response to an `include` parameter in the request. Each item contains a full resource object (e.g., users, teams, acceptance criteria).
    - unknown
  - `links` unknown

## Other responses

- `404`: The specified backlog item could not be found.

---

[API](https://skmtc.dev/atono/apis/backend-api.md) · [All operations](https://skmtc.dev/atono/apis/backend-api/llms.txt) · [OpenAPI document](https://skmtc.dev/atono/apis/backend-api/revisions/78a57b1d8c3d?raw)