$fetch inside API

Hello, I try to do a nested fetch. First one is Clientside inside a page

$fetch("/api/someApi")

$fetch("/api/someApi")

,
second inside the server in this api inside

defineEventHandler(async (event) => { $fetch("/api/secondApi") })

defineEventHandler(async (event) => { $fetch("/api/secondApi") })

Why the second one doesnt work, and how to make a fetch from API to API?

$fetch inside API - Nuxt