Get the burndown values of the open tasks that match the filters. The response gives the total duration and estimation, the first start date, the last due date and the values for each day. The tasks are the tasks of the open projects of your teams. An administrator gets the tasks of all the open projects. The route skips the concept tasks if you do not give task_type_id. Clients and vendors cannot use this route.
Query parameters
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Get only the tasks of this project
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Get only the tasks with this task status
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Get only the tasks of this task type
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Get only the tasks of these assignees. Give a comma-separated list, or unassigned for the tasks without assignee.
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Get only the tasks of the assignees of this studio
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Get only the tasks of the assignees of this department
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Get only the tasks that start on this date or after
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Get only the tasks that end on this date or before
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Get only the tasks with this priority
curl \
--request GET '/api/data/tasks/open-tasks/burndown' \
--header "Authorization: $API_KEY"
{
"total": 42,
"total_estimation": 42.0,
"start_date": "2026-05-04",
"end_date": "2026-05-04",
"done_by_day": [
{
"date": "2026-05-04",
"done": 42,
"done_estimation": 42.0
}
]
}