Pulsn - Live market data, automatically synced to Notion

Hey Product Hunt! 👋 This one's been a long time coming. A few years ago, I launched NotionInvest — a simple tool that synced crypto prices into Notion. It was basic, but people loved it. The feedback started rolling in almost immediately: "Can you add stocks?" "What about ETFs?" "I need more than just the current price." "Can I track multiple portfolios?" I kept a running list of every request, and at some point I realized — the tool people actually needed was a completely different product. So I built it. Pulsn supports stocks, ETFs, funds, forex, and crypto. Multiple databases at once. Multiple currencies. And way more data points than just the price — 24h change, volume, market cap, and more. Basically everything I'd been saying "not yet" to for years. The biggest shift in my thinking was moving from "a price syncer" to "a live data layer for Notion." People aren't just tracking prices — they're building real dashboards, portfolio trackers, watchlists. Pulsn is designed to fit into those workflows without requiring any code or technical setup. And yes — there's a very generous free tier. You can connect a database and start syncing real data without entering a credit card. I wanted to make sure anyone could try it properly before committing to anything. Years of customer feedback shaped every decision here. If you've been a NotionInvest user — this is what you've been asking for. And if you're new, I'd love to hear what you build with it. Happy to answer any questions below! 🚀