ActionYouTubeUpdated May 2026

How do I post a comment on a YouTube video?

Short answer: Drop the "YouTube → Add Comment to Video" action anywhere in your workflow, map the inputs from upstream nodes, and publish.

Use this action All 8 YouTube actions

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
Video ID video_id	string	Required	The Video ID assigned by Youtube. Find via the corresponding list/search operation in this app. Use the exact ID, not a name or label.
Comment Text text	string	Required	—

Sample request

{
  "video_id": "{{trigger.video_id}}",
  "text": "{{trigger.text}}"
}

Returns

{
  "id": "comment_abc",
  "snippet": {
    "topLevelComment": {
      "snippet": {
        "textDisplay": "Hi",
        "authorDisplayName": "Jane"
      }
    }
  }
}

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

Triggered by

Apps that pair well as the trigger for Add Comment to Video.

Any of these apps can fire this action as part of a workflow.

Google Sheets → YouTube

2 Google Sheets triggers

HubSpot → YouTube

18 HubSpot triggers

FAQ

Questions about Add Comment to Video.

What does the Add Comment to Video action do in YouTube?

Posts a top-level comment on a YouTube video. Requires the youtube.force-ssl OAuth scope; the comment is posted as the authenticated channel.

What inputs does Add Comment to Video require?

Required: Video ID, Comment Text. 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 YouTube 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 to Video support batch operations?

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

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