I Built a Free API for U.S. Business Entity Lookups

Every developer hits this wall eventually: you need to look up whether a business is registered, who the officers are, or when it was formed. And every state has its own janky website with different formats, CAPTCHAs, and broken search. I got tired of scraping Secretary of State websites, so I built Filed — a free API that normalizes business entity data across U.S. states into one clean endpoint. The Problem Say you're building: A KYC/AML compliance check A CRM that enriches company profiles A legal tech tool that verifies entity status A due diligence workflow You need entity data. Your options: Scrape each state yourself — 50 different sites, different formats, constant maintenance Pay $500+/month for enterprise data providers (OpenCorporates, Dun & Bradstreet) Use Filed — free tier, 100 lookups/month, clean JSON How It Works One endpoint. State code + search term. That's it. curl "https://filed.dev/api/v1/search?state=FL&q=Apple" \ -H "Authorization: Bearer YOUR_KEY" Response: { "r