{ "opencollection": "1.0.0", "info": { "name": "4chan Read-Only JSON Archive Threadlist API", "version": "2026-05-28" }, "items": [ { "info": { "name": "Threadlist", "type": "folder" }, "items": [ { "info": { "name": "4chan Get Board Threadlist", "type": "http" }, "http": { "method": "GET", "url": "https://a.4cdn.org/:board/threads.json", "params": [ { "name": "board", "value": "po", "type": "path", "description": "Board directory short name (e.g. `a`, `b`, `g`, `pol`, `po`, `v`). The full list of valid values is the `board` field on each entry in `/boards.json`." } ] }, "docs": "Returns a compact list of every live thread on the given board grouped by index page. Each thread entry contains only the OP number (`no`), the last-modified UNIX timestamp, and the reply count. Use this endpoint to detect new and updated threads cheaply; fetch the full thread or catalog only when `last_modified` changes." } ] } ], "bundled": true }