Base URL
Authentication
All endpoints require anx-api-key header. See Authentication for setup and error codes.
Request conventions
- Content-Type:
application/jsonfor all request bodies - Dates: Strict
YYYY-MM-DDwith leading zeros (e.g.,2026-04-04, not2026-4-4) - Task text: Minimum 1 character
Tips
Deleting tasks: A task must be archived before it can be permanently deleted. This prevents accidental data loss.
Dashboard endpoint: If you’re building an AI agent,
GET /tasks/dashboard?date=YYYY-MM-DD gives you overdue items, pending tasks, completed tasks, and stats in a single call.