The AT Protocol Makes Bluesky the Easiest Social Network to Build Tools For

Bluesky grew from 10M to 41M users in 2025 (+302%). And its AT Protocol makes it the most developer-friendly social platform. Why Developers Should Care Free public API at public.api.bsky.app No API key for reading public data No rate limits on public reads Rich data model — posts, facets, embeds, labels Compare that to Twitter/X: $42,000/year for basic API access. Get Any Profile (One API Call) const profile = await fetch ( " https://public.api.bsky.app/xrpc/app.bsky.actor.getProfile?actor=bsky.app " ). then ( r => r . json ()); console . log ( profile . followersCount ); // 32,420,172 Get Posts with Engagement const feed = await fetch ( `https://public.api.bsky.app/xrpc/app.bsky.feed.getAuthorFeed?actor= ${ did } &limit=50` ). then ( r => r . json ()); Returns: text, likes, reposts, replies, quotes, hashtags, mentions, media. What You Can Build Brand monitoring dashboards Sentiment analysis tools Influencer analytics Content calendars Academic research tools I built 3 Bluesky tools o