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Reddit · Guide

How to get Reddit post details

TL;DR
To get Reddit post details, sign up for a free Captapi key, then send one GET request to /v1/reddit/post-details with your input. You get clean JSON back in seconds for 1 credit per call — no OAuth, scraping or platform SDKs. Get a Reddit post — title, body, score, comments count, subreddit, and author as structured JSON.
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How to get Reddit post details (step by step)

  1. 1

    Get a free API key

    Create a free Captapi account (100 credits, no card) and generate an API key from the dashboard.

  2. 2

    Call the Reddit Post Details API

    Send an authenticated GET request to /v1/reddit/post-details with your input. No OAuth, no scraping setup.

  3. 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/reddit/post-details?url=https%3A%2F%2Fwww.reddit.com%2Fr%2Fspace%2Fcomments%2F1umfd43%2Fradiation_exposure_may_become_the_biggest%2F" \
  -H "Authorization: Bearer capt_live_..."
# or: -H "x-api-key: capt_live_..."

What the response looks like

{
  "success": true,
  "data": {
    "platform": "reddit",
    "id": "1umfd43",
    "name": "t3_1umfd43",
    "url": "https://www.reddit.com/r/space/comments/1umfd43/radiation_exposure_may_become_the_biggest/",
    "title": "Radiation exposure may become the biggest challenge for future Moon and Mars missions",
    "text": null,
    "subreddit": "space",
    "author": "Low-Mathematician137",
    "authorFullname": "t2_hkovnh8i",
    "score": 0,
    "upvoteRatio": 0.421875,
    "scoreHidden": null,
    "comments": 64,
    "subscriberCount": null,
    "isVideo": false,
    "publishedAt": "2026-07-03T14:04:13.000Z",
    "flair": "Discussion",
    "nsfw": false,
    "thumbnail": null,
    "crosspostOf": null
  }
}

Billing metadata (credits charged, cache hit/miss) is returned in the X-Captapi-Credits and X-Captapi-Cache response headers.

Request parameters

NameTypeRequiredDescription
urlstring YesReddit post URL, e.g. https://reddit.com/r/sub/comments/ID/... 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.
cachebooleanNoSet true to serve from the 24h response cache (0 credits on hit). Default false — always fetch fresh.

Frequently asked questions

What does the Reddit Post Details API do?

The Reddit Post Details API lets you fetch full metadata and key stats from a public Reddit post using one GET request to /v1/reddit/post-details. It returns clean JSON — no OAuth or infrastructure setup required.

How many credits does the Reddit Post Details API cost?

Each successful call costs 1 credit. Pass cache=true to serve from the 24h cache (0 credits on hit); default is always fresh. Selected profile endpoints also accept cacheMaxAge=1d|3d|7d|14d|30d. 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 access, rate limits, retries, and authentication for you.

Is the Reddit Post Details 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 cache (0 credits on hit); default is always fresh. Selected profile endpoints also accept cacheMaxAge=1d|3d|7d|14d|30d. Use it for analytics, monitoring, and content automation.

Ready to get Reddit post details?

Start free with 100 credits — no credit card required.

Get your free API key