I built Cepify — a free Brazilian postal code (CEP) API, ViaCEP-compatible (Spring Boot 4 / Java 25) (opens in new tab)

Quick context for non-Brazilian readers: a CEP (Código de Endereçamento Postal) is Brazil's equivalent of a ZIP/postal code. The de-facto free API for it is ViaCEP, which is great — but I wanted a project to really dig into Spring Boot 4 + Java 25, and I kept wanting something I fully control. So I built Cepify, a free, high-performance CEP lookup web service. 🔗 What it does CEP lookup returning JSON, XML and JSONP Address search (state / city / street) ViaCEP compatibility: it mirrors ViaCEP...