How to get YouTube comment replies
GET request to /v1/youtube/comment-replies with your input. You get clean JSON back in seconds for ~20 credits (0.4/result) 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?
At the default limit this endpoint costs 20 credits (0.4 per result). Billing scales with how many results you request. 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