Todoist to Cloudflare KV

A Cloudflare Worker that receives Todoist webhook events and stores task data in Cloudflare KV. It handles task creation, updates, completion, and deletion events, maintaining a synchronized copy of Todoist tasks in KV storage.

Supported Events

Event	Action
item:added	Creates a new KV entry with task data
item:updated	Updates the existing KV entry
item:completed	Marks the task as completed with timestamp
item:deleted	Removes the KV entry

KV Data Structure

Each task is stored with the Todoist ID as the key:

{
  "url": "https://todoist.com/showTask?id=123456",
  "taskName": "My Task",
  "taskDescription": "Task description",
  "dueDate": "2024-12-31",
  "dueTime": "14:00",
  "dueTimezone": "Asia/Tokyo",
  "durationUnit": "minute",
  "durationAmount": 30,
  "todoistId": "123456"
}

Completed tasks include additional fields: completed: true and completedAt with an ISO timestamp.

Tech Stack

Component	Technology
Runtime	Cloudflare Workers
Storage	Cloudflare KV
Language	TypeScript

Security

Webhook requests are validated using the X-Todoist-Webhook-Secret header against the configured TODOIST_WEBHOOK_SECRET.