How to get YouTube comment replies
GET request to /v1/youtube/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 YouTube comment — author, text, likes, and time.How to get YouTube 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 YouTube Comment Replies API
Send an authenticated GET request to /v1/youtube/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/youtube/comment-replies?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DdQw4w9WgXcQ&comment_id=7311234567890123456" \
-H "Authorization: Bearer capt_live_..."
# or: -H "x-api-key: capt_live_..."What the response looks like
{
"success": true,
"data": {
"url": "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
"videoId": "dQw4w9WgXcQ",
"commentId": "Ugzge340dBgB75hWBm54AaABAg",
"totalReturned": 10,
"replies": [
{
"id": "Ugzge340dBgB75hWBm54AaABAg.AHE8_QAWJx9AHE9eIiztxR",
"author": "@linganguliguliwatcha",
"authorAvatarUrl": "https://yt3.ggpht.com/AbGqKNjK9k5tyOqdV7cdXx-GgnGuuGQ5wj8RN42U5YCDvYHT0vaOKXGFahR36iaDPseGN08DjQ=s88-c-k-c0x00ffffff-no-rj",
"authorIsVerified": false,
"authorIsChannelOwner": false,
"text": "YOUTUBE AND ONE LIKE WOOHAAAAH",
"likeCount": 7100,
"replyCount": 5,
"hasCreatorHeart": true,
"publishedTimeText": "1 year ago",
"replyToId": "Ugzge340dBgB75hWBm54AaABAg"
},
{
"id": "Ugzge340dBgB75hWBm54AaABAg.AHE8_QAWJx9AHEAB_-JmDA",
"author": "@_bugrabilgin",
"authorAvatarUrl": "https://yt3.ggpht.com/LvMpN24GYYr8w43sGoMeYZYejDPJz_skehI6jm_XGGhfM5YeRa9OOsaplj60LnFNehE79ZxImg=s88-c-k-c0x00ffffff-no-rj",
"authorIsVerified": false,
"authorIsChannelOwner": false,
"text": "HEY YOUTUBE",
"likeCount": 3000,
"replyCount": 2,
"hasCreatorHeart": true,
"publishedTimeText": "1 year ago",
"replyToId": "Ugzge340dBgB75hWBm54AaABAg"
},
{
"id": "Ugzge340dBgB75hWBm54AaABAg.AHE8_QAWJx9AHEAOCSlaNN",
"author": "@NashiraArif",
"authorAvatarUrl": "https://yt3.ggpht.com/ytc/AIdro_n1guDiz8iQIUgFGnmh5VA5PJlNSiWQwX3Ik0ywlPv8JUDRXZiF6wxDvbC7F3YSi1BdlA=s88-c-k-c0x00ffffff-no-rj",
"authorIsVerified": false,
"authorIsChannelOwner": false,
"text": "new comment alert",
"likeCount": 2000,
"replyCount": 0,
"hasCreatorHeart": true,
"publishedTimeText": "1 year ago",
"replyToId": "Ugzge340dBgB75hWBm54AaABAg"
},
{
"id": "Ugzge340dBgB75hWBm54AaABAg.AHE8_QAWJx9AHEAQwtwdoZ",
"author": "@jennaortega-m4m",
"authorAvatarUrl": "https://yt3.ggpht.com/ytc/AIdro_lVdgv6VK0IOScTdHt1R4NdIFdRkvG2Y1jsrCR_otHBLogTg1YjnUt3k9YQBrmAT3VFLg=s88-c-k-c0x00ffffff-no-rj",
"authorIsVerified": false,
"authorIsChannelOwner": false,
"text": "oop 3rd didnt realise youtube was here😄",
"likeCount": 909,
"replyCount": 0,
"hasCreatorHeart": true,
"publishedTimeText": "1 year ago",
"replyToId": "Ugzge340dBgB75hWBm54AaABAg"
},
{
"id": "Ugzge340dBgB75hWBm54AaABAg.AHE8_QAWJx9AHEB5iPJLDp",
"author": "@TheAngelofBattle99",
"authorAvatarUrl": "https://yt3.ggpht.com/92UP2htp8mRB1oRt7tZ1bmid5hSmtrt-fNUlOH0sgx0zBFEwLSQ7OT0Vo8nuyWC3XSyUxNl3oMQ=s88-c-k-c0x00ffffff-no-rj",
"authorIsVerified": false,
"authorIsChannelOwner": false,
"text": "He's ingrained in our brains at this point. Such a devoted man.",
"likeCount": 698,
"replyCount": 0,
"hasCreatorHeart": true,
"publishedTimeText": "1 year ago",
"replyToId": "Ugzge340dBgB75hWBm54AaABAg"
}
]
}
}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 | Public YouTube video URL, e.g. https://youtube.com/watch?v=ID. Not a TikTok/Instagram/Facebook URL. 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). Billed per result. |
| cache | boolean | No | Set true to serve from the 24h response cache. Default false — always fetch fresh data. |
Frequently asked questions
What does the YouTube Comment Replies API do?
The YouTube Comment Replies API lets you pull comments with author, text, likes, and replies from a public YouTube comment replies using one GET request to /v1/youtube/comment-replies. It returns clean JSON — no OAuth or infrastructure setup required.
How many credits does the YouTube 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 YouTube 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 YouTube 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 YouTube comment replies?
Start free with 100 credits — no credit card required.
Get your free API key