RespKit gives Go APIs consistent JSON responses, stable error codes, and localized messages with zero configuration. Customize errors, translations, mappers, and envelope key naming. Add field validation details or opt into RFC 9457 Problem Details. Works with net/http, Gin, Echo, Fiber, Chi, Gorilla/mux, and Beego. Includes an optional pgx adapter. Raw internal errors stay private by default. The core uses only Go's standard library.
