I built an API that aggregates 534+ government bid portals into one feed

I'm building a tool that aggregates SLED (State/Local/Education) procurement bids into a single searchable feed. The problem: there's no central government API for this. SAM.gov covers federal contracts but misses most of what cities, counties, and school districts actually buy. One of the biggest sources is OpenGov Procurement — a SaaS platform used by 534+ government agencies. No public API, no developer docs, no data export. But their web app had to get the data somehow. Step 1: Int