From x402 micropayments for API calls to personalized frame discovery and spam filtering, we’ve been heads-down shipping updates to help you build better mini apps, agents, and clients on Farcaster. Let’s dive in.
💻 Improvements to cast search, frame and user discovery
Cleaner Cast Search with Spam Filtering We’ve added spam filtering to Cast Search and Cast Metrics. Just add the
x-neynar-experimentalheader and instantly remove noisy data from your insights.
→ Try it out: Docs for search-casts | Docs for fetch-cast-metrics → Announcement 2. Personalized Frame Discovery API Frame feeds just got smarter. Now you can fetch frames most relevant to a user -- determined by what their close friends are sharing, liking, recasting, etc.
→ Great for curating feeds or exploring what’s trending in your network. → Docs 3. Find Twitter users on Farcaster Find any Farcaster user by their X handle → Try it here
🤖 All APIs now available with USDC micro payments, no API key
All Neynar APIs now support micro crypto payments — no API key, no login needed. Just sign a transaction and go. Perfect for AI agents choosing their own tools and building in the wild.
→ More on our x402 vision here
→ Example use: try here
🍕 IRL tech talk series at Farcon and upcoming mini apps workshop
From our pizza hang at FarCon NYC with USV to the live workshop with Monad on building frames, we loved meeting many of you IRL at Farcon this month.
→ Watch the tech talk replay: video, slides
→ Monad mini apps workshop: link
📣 Reminder: We're hiring a senior frontend engineer
DM @rish with your resume