Blog
News, guides & changelog
What we’re building and what we’re learning about Secretary of State data.
ProductJune 24, 2026·4 min read
Introducing SOSfinder: one API for all 50 states
Stop stitching together fifty government websites. SOSfinder gives you normalized Secretary of State business-entity data behind a single endpoint.
Read articleEngineeringJune 18, 2026
How we cache Secretary of State lookups
Caching is what keeps SOSfinder fast and affordable. Here’s how we decide what to cache, for how long, and why you’re never billed twice.
6 min readChangelogJune 9, 2026
UCC search is now in beta
Go beyond entity records. UCC filing search is rolling out in beta on Pro and above — same unified endpoint, same predictable JSON.
3 min read