Update a to-do

documented

Update an existing to-do (e.g., change content, due date, assignees).

PUT /buckets/{bucket_id}/todos/{todo_id}.jsonTo-dosno implementation yet0 runs

Input

account_id*

Basecamp account ID

Account ID (e.g. 123456789)

bucket_id*

Bucket (To-do list) ID

Bucket ID

todo_id*

Todo item ID

Todo ID

title*

Todo title

New task title

description

Todo description

Details about task

assignee_id

Assignee user ID

13579

due_on

Due date (YYYY-MM-DD)

2026-03-01

completed

Completed (true/false)

true or false

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