Project Templates API: Update milestone and ordering

Endpoint#

Property	Value
Type	mutation
Method	POST
Path	/api/external/v1/project_templates/update_milestone_and_ordering
Handler	OperatelyWeb.Api.ProjectTemplates.UpdateMilestoneAndOrdering

Authentication#

• Requires a valid API token.
• Requires a write-enabled token.
• Read-only tokens return 403.

Inputs#

Field	Type	Required	Nullable	Default
template_id	id primitive (encoded as string)	Yes	No	-
task_id	id primitive (encoded as string)	Yes	No	-
milestone_id	id primitive (encoded as string)	Yes	Yes	-
index	integer	Yes	No	-

Outputs#

Field	Type	Required	Nullable
task	project_template_task object	Yes	No

cURL Example#

Copied

curl --request POST \
  --url "https://app.operately.com/api/external/v1/project_templates/update_milestone_and_ordering" \
  --header "Authorization: Bearer ${OPERATELY_API_TOKEN}" \
  --header "Content-Type: application/json" \
  --data '{"index":123, "milestone_id":"value", "task_id":"value", "template_id":"value"}'

Response Example#

{
  "task": {
    "__typename": "value",
    "description": "value",
    "due_offset_days": 123,
    "id": "value",
    "inserted_at": "2026-01-01T09:30:00Z",
    "name": "value",
    "priority": "value",
    "project_template_id": "value",
    "project_template_milestone_id": "value",
    "reminders": [
      "<task_reminder>"
    ],
    "size": "value",
    "task_status": "<task_status>",
    "updated_at": "2026-01-01T09:30:00Z"
  }
}