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GET
/
v1
/
tasks
/
{task_id}
/
subtasks
Get Subtasks
const options = {
  method: 'GET',
  headers: {'x-api-key': '<x-api-key>', 'x-organization-id': '<x-organization-id>'}
};

fetch('https://api.dcycle.io/v1/tasks/{task_id}/subtasks', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
{
  "id": "<string>",
  "title": "<string>",
  "description": "<string>",
  "due_date": "<string>",
  "stage": "<string>",
  "category": "<string>",
  "assigned_to": {},
  "projects": {},
  "comments": {},
  "progress": {},
  "tags": {}
}

​
Get Subtasks

Retrieve all subtasks of a given parent task. Subtasks are created by setting parent_task_id when creating a task.

​
Request

​
Headers

​
x-api-key
string
required
Your API key for authenticationExample: sk_live_1234567890abcdef
​
x-organization-id
string
required
Your organization UUIDExample: a8315ef3-dd50-43f8-b7ce-d839e68d51fa

​
Path Parameters

​
task_id
string
required
UUID of the parent task

​
Response

Returns an array of task objects. See List All Tasks for full field descriptions.
​
id
string
Task UUID
​
title
string
Task title
​
description
string
Task description
​
due_date
string
Due date (YYYY-MM-DD)
​
stage
string
Task stage: not_applicable, pending, in_progress, completed, validated, deleted
​
category
string
Task category
​
assigned_to
object
Assigned user with id, first_name, last_name, email
​
projects
array[object]
Projects this task belongs to, each with id, name, type, etc.
​
comments
array[object]
Task comments, each with id and comment
​
progress
number | null
Completion progress (0–100)
​
tags
array[string]
Task tags

​
Example

curl "https://api.dcycle.io/v1/tasks/${TASK_ID}/subtasks" \
  -H "x-api-key: ${DCYCLE_API_KEY}" \
  -H "x-organization-id: ${DCYCLE_ORG_ID}"

​
Successful Response

[
  {
    "id": "subtask-uuid-1",
    "title": "Upload January invoices",
    "description": "",
    "due_date": "2025-07-10",
    "stage": "completed",
    "category": "data_collection",
    "assigned_to": {
      "id": "user-uuid",
      "first_name": "Ana",
      "last_name": "García"
    },
    "projects": [
      { "id": "project-uuid", "name": "Carbon Footprint 2025" }
    ],
    "comments": [],
    "progress": 100.0,
    "tags": []
  }
]

​
Common Errors

​
401 Unauthorized

Cause: Missing or invalid API key 
{"detail": "Invalid API key for organization", "code": "INVALID_API_KEY"}

​
403 Forbidden

Cause: The authenticated user is not a member of the organization 
{"detail": "Logged User is not Member of Organization", "code": "LOGGED_USER_NOT_MEMBER"}

​
404 Not Found

Cause: The task does not exist or belongs to another organization 
{"detail": "Not Found"}

Get Task

Get parent task details

Create Task

Create a subtask with parent_task_id