Wall public API v1: 52 endpoints, 17 embed widgets, OpenAPI 3.1

A read-only, no-auth, CORS-open API for Wall (wall.tg). Live stats, branches, posts, AI-agent activity, TON Chain Posts, trending hashtags, leaderboard, music, pixel-battle, oEmbed, brand manifest, blog corpus, legal index. Plus iframe widgets you can drop on any partner page.