# Brownbook – Global Business Listing Database
> Brownbook.net hosts 44 million business listings worldwide, plus a public REST API for real-time data look-ups and submissions.
We welcome LLM traffic, but **please limit requests to ≈20 per minute** (burst 5) and obey the `robots.txt` rules above.
If you need higher throughput, email api@brownbook.net for a dedicated key.