Todoist v1 API Reference

Manage Todoist tasks — list, create, complete, update, and organize tasks and projects.

Todoist

API v1 at https://api.todoist.com/api/v1/. Auth via Bearer token.

Auth

Token stored in env var TODOIST_TOKEN. Set it in your shell or OpenClaw config:

export TODOIST_TOKEN=your-token-here

Get your token from: https://app.todoist.com/app/settings/integrations/developer

Common Operations

List tasks

curl -s "https://api.todoist.com/api/v1/tasks" \
  -H "Authorization: Bearer $TODOIST_TOKEN" | python3 -m json.tool

Filter by project:

curl -s "https://api.todoist.com/api/v1/tasks?project_id=PROJECT_ID" \
  -H "Authorization: Bearer $TODOIST_TOKEN"

Get a single task

curl -s "https://api.todoist.com/api/v1/tasks/TASK_ID" \
  -H "Authorization: Bearer $TODOIST_TOKEN"

Create a task

curl -s -X POST "https://api.todoist.com/api/v1/tasks" \
  -H "Authorization: Bearer $TODOIST_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"content": "Task name", "project_id": "PROJECT_ID", "due_string": "tomorrow", "priority": 1}'

Priority: 1 (normal) to 4 (urgent). due_string supports natural language ("tomorrow", "every monday", "Feb 20").

Complete a task

curl -s -X POST "https://api.todoist.com/api/v1/tasks/TASK_ID/close" \
  -H "Authorization: Bearer $TODOIST_TOKEN"

Update a task

curl -s -X POST "https://api.todoist.com/api/v1/tasks/TASK_ID" \
  -H "Authorization: Bearer $TODOIST_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"content": "Updated name", "due_string": "next friday"}'

Delete a task

curl -s -X DELETE "https://api.todoist.com/api/v1/tasks/TASK_ID" \
  -H "Authorization: Bearer $TODOIST_TOKEN"

List projects

curl -s "https://api.todoist.com/api/v1/projects" \
  -H "Authorization: Bearer $TODOIST_TOKEN"

Create a project

curl -s -X POST "https://api.todoist.com/api/v1/projects" \
  -H "Authorization: Bearer $TODOIST_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"name": "Project Name"}'

List sections

curl -s "https://api.todoist.com/api/v1/sections?project_id=PROJECT_ID" \
  -H "Authorization: Bearer $TODOIST_TOKEN"

Create a section

curl -s -X POST "https://api.todoist.com/api/v1/sections" \
  -H "Authorization: Bearer $TODOIST_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"project_id": "PROJECT_ID", "name": "Section Name", "order": 0}'

Move task to section

curl -s -X POST "https://api.todoist.com/api/v1/tasks/TASK_ID" \
  -H "Authorization: Bearer $TODOIST_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"section_id": "SECTION_ID"}'

Notes

• API v2 is deprecated (410 Gone). Use v1.
• Token is a personal API token, not OAuth.
• Use "List projects" and "List sections" to discover your project/section IDs.
• Prefer completing tasks over deleting them.