Get duplicate posts — Reddit API

Returns duplicate submissions and crossposts associated with a Reddit post.

GET/v1/reddit/posts/{postId}/duplicates1 credit per request

Example response200OK

{
  "data": {
    "type": "OrderedCollectionPage",
    "itemCount": 5,
    "orderedItems": [
      {
        "type": "Note",
        "name": "Launch day",
        "likeCount": 200,
        "published": "2026-02-27T20:37:38.000Z"
      }
    ]
  }
}

Make the request.

One authenticated GET to /v1/reddit/posts/{postId}/duplicates. Authentication and error conventions stay consistent across endpoints. This page shows the path, parameters, response shape, limits, and credit rule for this operation.

Built for

Find crossposts and reposts of content across Reddit
Track viral spread of a URL across communities
Identify all communities discussing a specific link

Full reference for this endpoint

const response = await fetch("https://api.konbiniapi.com/v1/reddit/posts/abc123/duplicates", {
  headers: { "Authorization": "Bearer YOUR_API_KEY" }
});

const data = await response.json();

Parameters3

postIdrequiredIn · PathType · stringReddit post ID (e.g. `1tlh5aj` or `t3_1tlh5aj`)
countIn · QueryType · integerNumber of posts to fetch (maximum: 100)1–100default 25
cursorIn · QueryType · stringPagination cursor

What you will probably call next.

The Reddit endpoints around this one — the same object at a different depth, or the same kind of read.

All Reddit endpoints Browse every platform

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