Add Comment: Todoist action

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

Field	Type	Required	Description
Task ID task_id	string	Required	Todoist task ID — numeric string. Find via List Tasks.
Comment content	string	Required	Comment. Example: Updated the requirements doc.

Sample request

{
  "task_id": "e.g. 7654321",
  "content": "e.g. Updated the requirements doc."
}

Returns

{
  "id": "comm123",
  "content": "Updated the requirements doc.",
  "task_id": "7654321",
  "posted_at": "2025-01-15T12:00:00Z"
}

Use these fields in downstream nodes for routing, logging, or error handling.

FAQ

Questions about Add Comment.

What does the Add Comment action do in Todoist?

Adds a comment to an existing Todoist task or project. Use it to log automation activity, attach context from another system, or post status updates.

What inputs does Add Comment require?

Required: Task ID, Comment. Every input accepts a static value or a variable from any upstream node in your workflow.

Can I use dynamic inputs from earlier workflow nodes?

Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.

What happens if Todoist returns an error?

The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.

Does Add Comment support batch operations?

Yes. Run Add Comment inside a Loop node to process arrays. Tiny Command handles Todoist's rate limits automatically so you don't have to throttle manually.

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