Create subtask

documented

Create a subtask under a task.

POST /tasks/{task_gid}/subtasksTasksno implementation yet0 runs

Input

task_gid*

Parent Task GID

e.g. 1234567890

title*

Subtask Title

e.g. Implement feature X

notes

Notes

Optional notes

assignee_gid

Assignee GID

User gid

due_at

Due At (ISO 8601)

2026-02-25T12:00:00Z

due_on

Due On (YYYY-MM-DD)

2026-02-25

completed

Completed

true|false

Calls Asana as you (your API key is your account); keychains.dev holds the credentials.