I build AI tools and write about what actually works.
AI content platform for real estate agents. Weekly posts, emails, and video scripts generated from live market data.
HTML to PDF API for developers and AI agents. Agent-native, pay-per-use via USDC.
Priority status lookup for US Kids Golf tournaments. Built for junior golfer families.
Ship loudly. A platform for indie hackers to share what they're building and get visibility.
3D board games inspired by TV shows. Play vs AI, local co-op, or online multiplayer.
Recent Writing
all posts →Snap cut 1,000 jobs (16% of staff) and the stock popped 9%. The tell is in Evan Spiegel's memo: AI now writes 65% of Snap's new code, and the market loves it.
This is the news that we all have been waiting for. I am really excited to hear about the details. The biggest concern was yield on stablecoin. So good to hear
Coinbase and Better launched crypto-backed conforming mortgages. I ran the numbers on premiums vs capital gains tax so you can decide if it fits your situation.
Siwan Kim is an indie hacker and software developer who builds AI tools and developer infrastructure. He is the creator of DocAPI (agent-native HTML-to-PDF API) and FarmPosts (AI content platform for real estate agents). He writes about agentic API design, shipping products publicly, and career strategy in the AI era.