Reddit Post Comments API
Pull Reddit comments with author, text, likes, and timestamps.
GET request to /v1/reddit/post-comments that responds with clean JSON and costs 2 credits. Pass cache=true for a free 24h cache hit; default is always fresh. Start with 100 free credits — no credit card.What is the Reddit Post Comments API?
The Reddit Post Comments API lets you pull comments with author, text, likes, and replies for Reddit post comments with a single REST call. No OAuth, no infrastructure to maintain, and no platform SDKs — send the request, get clean structured JSON back. Pass cache=true to serve from the 24h shared cache (0 credits on hit); default is always fresh.
What you get
- Comment or review text, author name, and handle
- Like counts and timestamps when available
- Pagination via the limit parameter
- Use the matching Comment Replies endpoint when you need nested replies
Try it
Fill in the parameters below and copy a ready-to-run request, or open the live Playground to run it against your account (no API key paste).
Parameters
curl "https://api.captapi.com/v1/reddit/post-comments?url=https%3A%2F%2Fwww.reddit.com%2Fr%2Ftechnology%2Fcomments%2F1a2b3c4%2Fexample_discussion_thread%2F" \
-H "Authorization: Bearer capt_live_..."
# or: -H "x-api-key: capt_live_..."Edit the parameters and the code updates instantly. Switch languages and hit copy.
Example response
{
"success": true,
"data": {
"totalReturned": 5,
"comments": [
{
"id": "p0gnsr6",
"author": "AutoModerator",
"text": "Users often report submissions from this site for sensationalized articles. Readers have a responsibility to be skeptical, check sources, and comment on any flaws.\n\nYou can help improve this thread by linking to media that verifies or questions this article's claims. Your link could help readers better understand this issue.\n\n*I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/worldnews) if you have any questions or concerns.*",
"upvotes": 1,
"publishedAt": "1785330725.0",
"url": "https://www.reddit.com/r/worldnews/comments/1v9vtop/japans_population_falls_below_120_million_for/p0gnsr6/",
"parentId": "t3_1v9vtop",
"depth": 0,
"isSubmitter": false,
"edited": false,
"stickied": true
},
{
"id": "p0gpy2l",
"author": "Donnicton",
"text": "Sorry, best we can do about it is symbolically send you home early one day this month to go make a kid or whatever.",
"upvotes": 5045,
"publishedAt": "1785331342.0",
"url": "https://www.reddit.com/r/worldnews/comments/1v9vtop/japans_population_falls_below_120_million_for/p0gpy2l/",
"parentId": "t3_1v9vtop",
"depth": 0,
"isSubmitter": false,
"edited": false,
"stickied": false
},
{
"id": "p0gyjgf",
"author": "Lietenantdan",
"text": "And by early we mean the time you were actually supposed to leave.",
"upvotes": 2259,
"publishedAt": "1785333738.0",
"url": "https://www.reddit.com/r/worldnews/comments/1v9vtop/japans_population_falls_below_120_million_for/p0gyjgf/",
"parentId": "t1_p0gpy2l",
"depth": 1,
"isSubmitter": false,
"edited": false,
"stickied": false
},
{
"id": "p0h5wrb",
"author": "XVUltima",
"text": "And by leave, we mean make you clock out but you really need to stay",
"upvotes": 1065,
"publishedAt": "1785335690.0",
"url": "https://www.reddit.com/r/worldnews/comments/1v9vtop/japans_population_falls_below_120_million_for/p0h5wrb/",
"parentId": "t1_p0gyjgf",
"depth": 2,
"isSubmitter": false,
"edited": false,
"stickied": false
},
{
"id": "p0gwjcq",
"author": "standardDeviator",
"text": "They really need to stop making national go make a baby day on the same day as national headache awareness day.",
"upvotes": 401,
"publishedAt": "1785333190.0",
"url": "https://www.reddit.com/r/worldnews/comments/1v9vtop/japans_population_falls_below_120_million_for/p0gwjcq/",
"parentId": "t1_p0gpy2l",
"depth": 1,
"isSubmitter": false,
"edited": false,
"stickied": false
}
]
}
}Billing metadata is returned in response headers: X-Captapi-Credits (credits charged), X-Captapi-Cache (hit or miss), and X-Captapi-Source. Failed requests (4xx/5xx) are never charged. See the full list of error codes in the error reference.
Response structure
A successful call returns success, cached, creditsUsed, and a data object with the following fields:
Top-level fields
totalReturnedNumber of items returned in this response.
Comments
Each item in comments contains:
idStable platform ID for the item.authorAuthor name or handle.textText content.upvotesUpvote count.publishedAtPublish date (ISO 8601).urlCanonical URL of the item.parentIdID of the parent comment for replies.depthDepth. Example: 0.isSubmitterIs submitter. Example: false.editedWhether the comment was edited.stickiedWhether the comment is stickied.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| url | string | Yes | Reddit post 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. |
| 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. |
Authentication: send your key as Authorization: Bearer capt_live_.... A typical call costs 2 credits. Pass cache=true for a free 24h cache hit; default is always fresh.
How it works
- 1. Sign up — get 100 free credits, no card required.
- 2. Create a key from your dashboard.
- 3. Send one request to
/v1/reddit/post-commentsand parse the JSON response.
Use cases
Sentiment Analysis
Understand how audiences react to content.
Community Insights
Surface FAQs, requests, and recurring themes.
Moderation
Detect spam, abuse, or policy violations at scale.
Market Research
Mine genuine opinions and product feedback.
Frequently asked questions
What does the Reddit Post Comments API do?+
The Reddit Post Comments API lets you pull comments with author, text, likes, and replies from a public Reddit post using one GET request to /v1/reddit/post-comments. It returns clean JSON — no OAuth or infrastructure setup required.
How many credits does the Reddit Post Comments 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 Reddit 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 Reddit Post Comments 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.
More Reddit APIs
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