Pokemon API client in Kotlin

PokeApi.kt

package com.raywenderlich.pokelist

import com.raywenderlich.pokelist.shared.ApplicationDispatcher
import com.raywenderlich.pokelist.shared.Image
import io.ktor.client.HttpClient
import io.ktor.client.request.get
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch
import kotlinx.serialization.json.Json

class PokeApi {

    private val httpClient = HttpClient()

    fun getPokemonList(success: (List<PokemonEntry>) -> Unit, failure: (Throwable?) -> Unit) {
        GlobalScope.launch(ApplicationDispatcher) {
            try {
                val url = "https://pokeapi.co/api/v2/pokedex/kanto/"
                val json = httpClient.get<String>(url)
                Json.nonstrict.parse(Pokedex.serializer(), json)
                    .pokemon_entries
                    .also(success)
            } catch (ex: Exception) {
                failure(ex)
            }
        }
    }
}