{ "opencollection": "1.0.0", "info": { "name": "4chan Read-Only JSON Archive Boards API", "version": "2026-05-28" }, "items": [ { "info": { "name": "Boards", "type": "folder" }, "items": [ { "info": { "name": "4chan List All Boards", "type": "http" }, "http": { "method": "GET", "url": "https://a.4cdn.org/boards.json" }, "docs": "Returns the comprehensive list of all 4chan and 4channel boards and their major settings (page count, per-page thread count, bump/image limits, cooldowns, feature flags, etc.). This is the canonical bootstrap call for any client — every other endpoint requires a board directory name from this document." } ] } ], "bundled": true }