How to get Facebook comment replies
GET request to /v1/facebook/comment-replies with your input. You get clean JSON back in seconds for 2 credits per call — no OAuth, scraping or platform SDKs. Pull replies under a Facebook comment — author, text, likes, and time.How to get Facebook comment replies (step by step)
- 1
Get a free API key
Create a free Captapi account (100 credits, no card) and generate an API key from the dashboard.
- 2
Call the Facebook Comment Replies API
Send an authenticated GET request to /v1/facebook/comment-replies with your input. No OAuth, no scraping setup.
- 3
Read the JSON response
Parse the clean JSON response. Pass cache=true for a free 24h cache hit; default is always fresh.
Code example
curl "https://api.captapi.com/v1/facebook/comment-replies?url=https%3A%2F%2Fwww.facebook.com%2FNASA%2Fposts%2Fpfbid02skzNsrLf5atYZfzvzHAK9gHwDnZC5u4pDZMLQ1u3iJmfoA8tNsGpT7Uj6WPs6K3Rl&comment_id=7311234567890123456" \
-H "Authorization: Bearer capt_live_..."
# or: -H "x-api-key: capt_live_..."What the response looks like
{
"success": true,
"data": {
"platform": "facebook",
"url": "https://www.facebook.com/NASA/posts/pfbid02skzNsrLf5atYZfzvzHAK9gHwDnZC5u4pDZMLQ1u3iJmfoA8tNsGpT7Uj6WPs6K3Rl",
"commentId": "1009195248315125",
"totalReturned": 1,
"replies": [
{
"id": "1042165238137511",
"url": "https://www.facebook.com/NASA/posts/pfbid0ozvoLoowKvCysA2CZkXKTAVCRLoVECcrC7W8eQbQYvxBNKMCQAzV8baSgDa8t5Hol?comment_id=1009195248315125&reply_comment_id=1042165238137511",
"text": "Richard Alexandrowich why?",
"author": "Lachlan Cryer",
"authorUrl": "https://www.facebook.com/people/Lachlan-Cryer/pfbid0375uAsq1qky7hMLXQqGc7jjTkqBfPXimoWiegNFtifpGUVNAbGSCJUfTuE2pFLUbrl/",
"authorAvatarUrl": "https://scontent.fgua9-1.fna.fbcdn.net/v/t1.30497-1/453178253_471506465671661_2781666950760530985_n.png?stp=cp0_dst-png&cstp=mx2048x2048&ctp=s32x32&_nc_cat=1&ccb=1-7&_nc_sid=136b72&_nc_ohc=YYd_HsBfn6kQ7kNvwExKFZn&_nc_oc=AdqMYmSyRUE01D1xr5lyzA2HCr-qEDfBccvNnTFqTcwN9d6sZq2e9gUxP6FqN2yBlOg&_nc_zt=24&_nc_ht=scontent.fgua9-1.fna&_nc_ss=7b289&oh=00_AQC7tyTMaBqs0n4gldLDuXTonuW4u8g9hyfiQqxHLmbKJA&oe=6A8DC8BA",
"likeCount": 1,
"publishedAt": "2026-06-03T07:43:21+00:00"
}
]
}
}Billing metadata (credits charged, cache hit/miss) is returned in the X-Captapi-Credits and X-Captapi-Cache response headers.
Request parameters
| Name | Type | Required | Description |
|---|---|---|---|
| url | string | Yes | Facebook post URL the comment belongs to. The URL platform must match this endpoint's platform. Do not pass cross-platform URLs, e.g. YouTube to TikTok, Instagram to Facebook, LinkedIn to X/Twitter, or Pinterest to Rumble. |
| comment_id | string | Yes | ID of the parent comment to fetch replies for (from the comments endpoint). |
| limit | integer | No | Max items to return (default 50, max 500). Flat 2 credits per call. |
| cache | boolean | No | Set true to serve from the 24h response cache. Default false — always fetch fresh data. |
Frequently asked questions
What does the Facebook Comment Replies API do?
The Facebook Comment Replies API lets you pull comments with author, text, likes, and replies from a public Facebook comment replies using one GET request to /v1/facebook/comment-replies. It returns clean JSON — no OAuth or infrastructure setup required.
How many credits does the Facebook Comment Replies API cost?
Each successful call costs 2 credits. Pass cache=true to serve from the 24h shared cache (0 credits on hit); default is always fresh. Failed or empty results are never charged.
Do I need a Facebook API key or OAuth?
No. A single Captapi key works across every platform Captapi supports — YouTube, TikTok, Instagram, Facebook, Twitter/X, Reddit, Threads, Bluesky, Pinterest, LinkedIn, Rumble, Spotify, Kwai, and more. We handle proxies, rate limits, retries, and authentication for you.
Is the Facebook Comment Replies API suitable for production use?
Yes. It is a stable REST endpoint with predictable JSON and automatic retries. Pass cache=true to serve from the 24h shared cache (0 credits on hit); default is always fresh. Use it for analytics, monitoring, and content automation.
Ready to get Facebook comment replies?
Start free with 100 credits — no credit card required.
Get your free API key