Schedule First Comment

Auto-add a first comment to your posts. Perfect for CTAs, links, or hashtags that keep captions clean.

ℹ️

Platform-Specific Feature

Available for YouTube, LinkedIn, Facebook, and Instagram. Works differently on each platform.

Key Features

YouTube (Pinned)

Pinned comments on videos. Up to ~10,000 characters.

LinkedIn

Keep posts clean. Add context in the first comment. ~1,250 chars.

Facebook

First comments on posts and reels. Up to ~8,000 characters.

Instagram

Feed posts and Reels (not Stories). Up to ~2,200 characters.

API Integration

Use the 'firstComment' field or platform-specific fields.

Dashboard UI

Simple text field in the post creation modal.

How It Works

  1. 1.
    Create Your Post
    Write content and upload media as usual.
  2. 2.
    Add First Comment
    Enter your comment text. Platform-specific fields appear automatically.
  3. 3.
    Auto-Posted
    Comment is added seconds after the main post publishes.

Why Use First Comments

Clean Captions

Move hashtags and CTAs out of the main post.

Add Links

Many platforms allow links in comments but not captions.

Extra Context

Add timestamps, resources, or sources without cluttering.

Fully Automated

Schedule post + comment together. No manual work.

Code Examples

YouTube Pinned Comment
JSON
{
  "content": "New tutorial video!",
  "platforms": [{
    "platform": "youtube",
    "accountId": "YOUR_ACCOUNT_ID",
    "platformSpecificData": {
      "youtube_pinned_comment": "Resources:\n- https://example.com"
    }
  }],
  "scheduledFor": "2024-12-25T10:00:00Z"
}
Universal First Comment
JSON
{
  "content": "New blog post is live!",
  "firstComment": "Read the full article: https://example.com/article",
  "platforms": [
    {"platform": "youtube", "accountId": "YT_ID"},
    {"platform": "linkedin", "accountId": "LI_ID"},
    {"platform": "facebook", "accountId": "FB_ID"},
    {"platform": "instagram", "accountId": "IG_ID"}
  ]
}

Platform Support

See it in action

Posts dashboard

Schedule and manage posts across all platforms.

Platform connections

Connect all your social accounts in one place.

Zernio dashboard

Simple dashboard with powerful API access.

See It In Action

Frequently Asked Questions

What are the character limits?
YouTube: ~10,000. Facebook: ~8,000. LinkedIn: ~1,250. Instagram: ~2,200.
Does this work for Instagram Stories?
No. Instagram API doesn't support comments on Stories. Feed posts and Reels only.
Can comments be pinned?
YouTube comments are auto-pinned. Other platforms don't support pinning via API.
When is the comment posted?
Immediately after the main post publishes. Usually within seconds.
Can I add first comments in CSV uploads?
Yes. Use 'firstComment' column or platform-specific columns like 'youtube_pinned_comment'.

Related Features

Start Using First Comments

Keep captions clean, add context automatically.

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