https://opengeocoding.com/blog Notes on building OpenGeocoding. en https://opengeocoding.com/blog/billing-without-a-database-on-the-request-path https://opengeocoding.com/blog/billing-without-a-database-on-the-request-path Tue, 20 Oct 2026 00:00:00 GMT Theo Mathieu How the OpenGeocoding API, running as several replicas on Kubernetes, checks keys, rate limits and credits from memory, writes usage to Postgres every 5 seconds without double billing, and what that trade-off costs. https://opengeocoding.com/blog/building-opengeocoding https://opengeocoding.com/blog/building-opengeocoding Tue, 13 Oct 2026 00:00:00 GMT Theo Mathieu Why I moved from Nominatim to a Rust geocoder on Tantivy and open data, how I measure it against official address registries, and where it is still weak.